Medic CH 16 – Flashcards

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Which of the following statements regarding epiglottitis is correct
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Epiglottitis has become relatively rare in children due to vaccinations against haemophilus influenza type b bacterium
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Frothy sputum that has a pink tinge to it is MOST suggestive of
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CHF
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Patient with a history of asthma is at GREATEST risk for respiratory arrest if he or she
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was previously intubated for his or her condition
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Patient with respiratory distress who is willing to lie flat
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may be acutely deteriorating
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Apneustic breathing is characterized by
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short, brisk inhalations with a long pause before exhalation
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When replacing a dislodged tracheostomy tube, it is MOST important that you
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Take appropriate standard precautions
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When administering oxygen via a nonrebreathing mask, you must ensure that the
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patient has adequate tidal volume
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King LT airway can be used to
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Maintain a patent airway in spontaneously breathing patients
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Young woman experiences massive facial trauma after being ejected from her car when it struck a tree. She is semiconscious, has blood draining from her mouth, and has poor respiratory effort. The MOST appropriate initial airway management for this patient involves
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alternating suctioning her oropharynx for 15 seconds and assisting her ventilations for 2 minutes until you can definitively secure her airway
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Person who experience sharp chest pain following an increasing dyspnea after her or she coughs most likely has
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a pneumothorax
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Patient with quiet tachypnea is MOST likely experiencing
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shock
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Bourdon gauge oxygen flowmeter
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Reduces the high pressure in the oxygen cylinder to a safe pressure
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Would NOT be appropriate to place a patient in the recovery position if he or she
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Is breathing shallowly
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Which of the following statements regarding orotracheal intubation is correct
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Orotracheal intubation is the most common method of performing ET intubation
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Asymmetric chest wall movement is characterized by
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one side of the chest moving less than the other
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Capnography is a reliable method for confirming proper ET tube placement because
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carbon dioxide is not present in the esophagus
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Would be appropriate to insert a nasopharyngeal airway in patients who
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have an altered mental status with an intact gag reflex
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Hepatomegaly and jugular venous distention are MOST suggestive of
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Right heart failure
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Patent airway
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Does not equate to adequate ventilation
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During sleep, the metabolic rate is____ and the number of respirations ____
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low, decreases.
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Adult patient with an abnormal respiratory rate should
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Be evaluated for other signs of inadequate ventilation
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Testing of the skin under the jaw often occurs when airway devices are inadvertently inserted into the
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pyriform fossae
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Which of the following situations would ET intubation of pediatric patient be LEAST necessary?
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Administration of certain resuscitative medications
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Which of the following patients is LEAST likely in need of positive pressure ventilation?
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Conscious 36 year old man with difficulty breathing, symmetrical chest rise and fall, and flushed skin
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Used properly, and under the correct circumstances, sedation during airway management
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Effectively increases patient compliance, thus making definitive airway management safer to perform
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_____ breath sounds are the MOST commonly heard breath sounds and have a much more obvious inspiratory component
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vesicular
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Pulse oximetry reading would be LEAST accurate in a patient
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with poor peripheral perfusion
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When looking inside a patient's mouth, you cannot see the posterior pharynx and only the base of the uvula is exposed. This is indicative of Mallampati Class
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III
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By-product of cellular respiration
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Carbon dioxide
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Pickwickian syndrome is a condition in which respiratory compromise results from
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Extreme obesity
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After inserting the needle into the cricothyroid membrane, you should next
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insert the needle about 1 cm farther and then aspirate with the syringe
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Which of the following represents the correct dequence for managing a patient's airway
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Open, clear, assess, intervene
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Respond to a residence for a possible overdose. The patient, a young man, is unresponsive with slow, snoring respirations. There are obvious needle track marks on his arms. Your first action should be to
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Manually open his airway
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Digital intubation can be performed on trauma patients because
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The head does not have to be placed in a sniffing position
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Murphy's eye, an opening on the distal side of an ET tube, allows ventilation to occur
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Even if the tip of the tube is occluded by blood or mucus
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Main disadvantage of the LMA is that it
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Does not provide protection against aspiration
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Some cases, atropine sulfate, in a dose of ____, may be given to children to prevent vagal-induced bradycardia during ET intubation
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0.02 mg/kg
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Which of the following statements regarding pediatric ET intubation in the prehospital setting is correct
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Bag mask ventilation can be as effective as intubation for EMS systems that have short transport times
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Barrel chest appearance classically seen in emphysemic patients is secondary to
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Air trapping in the lungs
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Involuntary control of breathing originates in the
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Pons and medulla
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CPAP is NOT appropriate for patients with
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Slow, shallow respiratory effort
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ET tube that is too large for a patient
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can be difficult to insert and may cause trauma
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Retractions of the sternum or ribs during inhalation
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Are especially common in infants and small children
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Either side of the glottis, tissue forms a pocket called the
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Piriform fossae
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Reactive airway disease is characterized by
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Bronchospasm, edema, and mucus production
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Hallmarks of a pulmonary embolism is
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Cyanosis that does not resolve with oxygen therapy
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BURP maneuver usually involves applying backward, upward and rightward pressure to the
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Lower third of the thyroid cartilage
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Which of the following factors would MOST likely produce a falsely normal pulse oximetry reading
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Carboxyhemoglobin
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While transporting an intubated 8 year old boy, he suddenly jerks his head and becomes cyanotic shortly thereafter. His oxygen saturation and capnometry readings are both falling, and he is becoming bradycardic. You attempt to auscultate breath sounds, but are unable to hear because of the drone of the engine. What has MOST likely happened
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Inadvertent extubation
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Compared to orotracheal intubation, nasotracheal intubation is less likely to result in hypoxia because
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It must be performed on spontaneously breathing patients
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Paradoxical respiratory movement is characterized by
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the epigastrium and thorax moving in opposite directions
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Hyperventilating patient
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May be acidotic and is trying to decease his or her pH level
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Cricothyroid membrane
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Is relatively avascular and is covered by skin and minimal subcutaneous tissue
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Digital clubbing is MOST indicative of
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chronic hypoxia
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Wheezing is resolved with medication that
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Relax the smooth muscle of the bronchioles
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Mainstem bronchus ends at the level of the
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bronchioles
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Intrapulmonary shunting occurs when
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Nonfuctional alveoli inhibit pulmonary gas exchange
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Patients with pneumonia often experience a coughing fit when they roll from one side to the other because
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Pneumonia often occurs in the lung bases, typically on only one side
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COPD is characterized by
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Changes in pulmonary structure and function that are progressive and irreversible
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When intubating a 3 year old child, you would MOST likely use a
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Size 2 straight blade
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When a patient is given a paralytic without sedation
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He or she is fully aware and can hear and feel
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Compared with an open cricothyotomy, needle cricothyrotomy
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allows for subsequent attemts to intubate the patient
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Most complications caused by intubation induced hypoxia
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are subtle and occur gradually
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Fraction of inspired oxygen (FIO2) increases with
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supplemental oxygen
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Anterior portion of the palate is formed by the
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Maxilla and palatine bones
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Indications for CPAP include
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acute pulmonary edema
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Suspect that an unconscious patient has experienced a spinal injury, you should open his or her airway by
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placing your fingers behind the angle of the jaw and lifting the jaw forward
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Paralytic medications exert their effect by
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Functioning at the neuromuscular junction and relaxing the muscle by impeding the action of acetylcholine
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What is the alveolar minute volume of a patient with a respiratory rate of 12 breaths/min, a tidal volume of 450 mL, and a deal space volume of 135 mL
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3,780 mL
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Using the DOPE mnemonic, which of the following interventions would you MOST likely have to perform if you suspect "O" as the cause of acute deterioration in the intubated child?
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Tracheobronchial suctioning
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Pressure relief valve on an automatic transport ventilator may lead to unregonized hypoventilation in patients with all the following conditions EXCEPT
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prolonged apnea
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Which of the following medications has been shown to blunt the increase in intracranial pressure associated with suctioning and laryngeal stimulation?
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lidocaine
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Unresponsive patient does not have a gag reflex, an oropharyngeal airway
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should be inserted whether the patient is breathing or not
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Length based resuscitation tape measure can be used to determine the most appropriate size of bag mask device for pediatric patients who weigh up to
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34 kg
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During forceful inhalation, the vocal cords
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Open widely to provide minimum resistance to air flow
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What size ET tube would be MOST appropriate to use for a 4 year old child?
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5.0mm
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Average peak expiratory flow rate in a healthy adult is approximately
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550ml
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Contrast to needle cricothyrotomy, an open cricothyrotomy
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enables the paramedic to provide greater tidal volume
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Approximately how far should you insert a 5.0 mm ET tube in a 4 year old child?
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15 cm
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Using a bulb style esophageal detector device to assist you in confirmed proper ET tube placement, you should expect the bulb to
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Refill briskly in the tube is in the trachea
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Transporting an intubated patient and note that the digital capnometry reading has quickly fallen below 30 mm Hg. You should
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Slow your ventilation rate to see if the ETC02 reading decreases.
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Transillumination-guided intubation can be difficult or impossible to perform
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in a brightly lit environment
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Once you have confirmed that the lighted stylet ET tube combination has entered the trachea, you should
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hold the stylet in place and advice the tube about 2-4 cm into the trachea
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When auscultating the lungs of a patient with early pulmonary edema, you will MOST likely hear
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crackles in the bases of the lungs at the end of inspiration
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Sudden increase in end tidal C02 may be the earliest indicator of
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Return of spontaneous circulation
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Hypoxic drive is a phenomenon in which
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bicarbonate ions migrate into the cerebrospinal fluid of a chronically hypoventilating patient, making the brain think that acid and base are in balance
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Diaphragm of the stehoscope is designed to auscultate
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high pitched sounds
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When administering a nebulized bronchodilator, the oxygen flow rate should be set to at least ____ liters per minute
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6
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King LT-D airway features a
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curved tube with ventilation ports located between two inflatable cuffs
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Factors would increase a person's respiratory rate, EXCEPT
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Narcotic analgesic use
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Hering-Breur reflex is a protective mechanism that
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Terminates inhalation and prevents lung overexpansion
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Which of the following is NOT an appropriate method for confirmed proper ET tube placement in a 15 kg child
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Esophageal bulb or syringe
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Rigorous tube confirmation protocol must be following after performing digital intubation because
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the procedure of digital intubation is truly a blind technique
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_____ is the lowest portion of the pharynx and opens into the larynx anteriorly and the esophagus posteriorly
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laryngopharynx
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Before performing orotracheal intubation, it is MOST important for the paramedic to
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wear gloves and facial protection
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MOST likely observe grossly low respiratory rate and volume in a patient who overdosed on
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Heroin
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Patient with orthopnea
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seeks a sitting position when short of breath
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50-year old woman presents with acute respiratory distress while eating. Upon your arrival, you note that she is conscious, coughing, and wheezing between coughs. Further assessment reveals that her skin is pink and moist. In addition to transporting her to the hospital, you should
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Encourage her to cough and closely monitor her condition
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21-year old man experienced an acute onset of pleuritic chest pain and dyspnea while playing softball. He is noticeably dyspneic, has an oxygen saturation of 93% on room air, and has diminished breath sounds to the upper right lobe. The MOST appropriate treatment for this patient involves
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Administering high-flow supplemental oxygen and transporting at once
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Transporting a patient with a long history of emphysema. The patient called 9-1-1 because his shortness of breath has worsened progressively over the past few days. He is on high-flow oxygen via nonrebreathing mask and has an IV of normal saline in place. The cardiac monitor shows sinus tachycardia and the pulse oximeter reads 89%. When you reassess the patient, you note that his respiratory rate and depth have decreased. You should
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Begin assisting his ventilations with a bag-mask and 100% oxygen
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Children more prone to croup when they acquire a viral infection that adults infected with the same virus?
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A child's airway is narrower than an adult's and even minor swelling can result in obstruction
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Polycythemia is a condition in which
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Excess red blood cells are produced in response to chronic hypoxia
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Patient's hemoglobin level is only 10g/dL, ___% would have to be desaturated before he or she would appear cyanotic
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50
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Respond to the residence of an elderly man with severe COPD. You recognize the address because you have responded there numerous times in the past. You find the patient, who is clearly emaciated, seated in his recliner. He is on oxygen via nasal cannula, is semiconscious, and is breathing inadequately. The patient's daughter tells you that her father has an out-of-hospital DNR order, for which she is frantically searching. You should
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Recognize that he is experiencing end stage COPD, begin assisting ventilations, and contact medical control as needed
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Increase in the number of EMS calls for patients with chronic respiratory problems most commonly occurs
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During sudden weather changes
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36 year old man with a history of asthma presents with severe respiratory distress. You attempt to administer a nebulized beta-2 agonist, but his poor respiratory effort is inhibiting effective drug delivery via the nebulizer and his mental status is deteriorating. You should
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Assist his ventilations and establish vascular access
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Pneumonitis is especially common in older patients with
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chronic food aspiration
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Presence of diffuse rhonchi (low-pitched crackles) in the lungs indicates
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Thick secretions in the large airways
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What function do the nasal turbinates serve?
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Warming and humidifying inhaled air
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Patient's initial presentation makes you suspicious about a particular respiratory condition, you must
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Confirm your suspicions with a thorough assessment
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____ cartilage forms a complete ring and maintains the trachea in an open position
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Cricoid
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Uncontrollable coughing and hemptysis in a cigarette smoker are clinical findings MOST consistent with
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Lung cancer
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Otherwise healthy adult whose normal hemoglobing level is 12 to 14 g/dL typically will begin to exhibit cyanosis when
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about 5 g/dL of hemoglobin is desaturated
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Hypoventilating patients
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Become hypercapneic and acidotic
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MOST clinically significant finding when questioning a patient with a chronic respiratory disease is
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Prior intubation for the same problem
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Transporting a middle-aged man on a CPAP unit for severe pulmonary edema. An IV line of normal saline is in place. Prior to applying the CPAP device, the patient was tachypneic and had an oxygen saturation of 90%. When you reassess him, you note that his respirations have increased and his oxygen saturation has dropped to 84%. You should
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Remove the CPAP unit, assist his ventilations with a bag mask device and prepare to intubate him
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76 year old woman with emphysema presents with respiratory distress that has worsened progressively over the past 2 days. She is breathing through pursed lips and has a prlonged expiratory phase and an oxygen saturation of 76%. She is on home oxygen at 2 L/min. Your initial action should be to
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place her in a position that facilitates breathing
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Emphysema is caused by
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Chronic destruction of the alveolar walls
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Morbidly obese man called 9-1-1 because of difficulty breathing. When you arrive, you find the 39 year old patient lying supine in his bed. He is in marked respiratory distress and is only able to speak in two-word sentences. He has a history of hypertension, but denies any respiratory conditions. What should you do FIRST?
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Sit him up or place him on his side
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Inspiratory and expiratory _____ sounds are both loud, but the inspiratory sounds are shorter than the expiratory sounds
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bronchial
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When regard to intubation difficulty, neck mobility problems are MOST commonly associated with
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Elderly patients
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Endotracheal intubation is MOST accurately defined as
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passing an ET tube through the glottis opening and sealing off the trachea
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Contrast to the nasogastric tube, the orogastric tube
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is safer to use in patients with severe facial trauma
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Artificial airway adjust
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does not obviate the need for proper head positioning
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Nondepolarizing neuromuscular blocking agents include all of the following EXCEPT
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succinylcholine chloride
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Proper insertion of the LMA involves
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Inserting the LMA along the roof of the mouth and using your fingers to push the airway against the hard palate
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Patients with a partial laryngectomy
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are called partial neck breathers because they breathe through both a stoma and the nose and mouth
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Trachea and mainstem bronchi
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are lined with beta-2 receptors that result in bronchodilation when stimulated
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Surfactant is
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A phospholipid compound that decreases surface tension on the alveolar walls
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After tracheobronchial suctioning is complete, you should
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Reattach the bag-mask device, continue ventilations, and reassess the patient
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MOST obvious risk associated with extubation is
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Overestimating the patient's ability to protect his or her own airway
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66 year old woman is found to be unresponsive and apneic. Her carotid pulse is weak and rapid. When ventilating this patient, you should deliver
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Each breath over 1 second at a rate of 10 to 12 breaths/min
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Intubated 33 year old man is becoming agitated and beings moving his head around. Your estimated time of arrival at the hospital is 15 minutes. You should
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administer a sedative medication
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Complications associated with orotracheal intubation, EXCEPT
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necrosis of the nasal mucosa
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Which of the following medications is safest to use in patients with borderline hypotension or hypovolemia?
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Etomidate
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Disadvantage of ET intubation is that it
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Bypassess the upper airway's physiologic functions of warming, filtering and humidifying
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Intubation of a child is unsuccessful after two attempts, your MOST appropriate action is to
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discontinue attempts to intubate, ventilate the child with a bag-mask device, and transport immediately
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____ are formed by the cranial bones and prevent contaminants from entering the respiratory tract
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sinuses
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Should be MOST suspicious of tube misplacement following an open cricothyrotomy if
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a crackling sensation is noted when palpating the neck
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When performing an open circothyrotomy, you should FIRST
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palpate the V notch of the thyroid cartilage and stabilize the larynx
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Contrast to a curved laryngoscope blade, a straight laryngoscope blade is designed to
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extend beneath the epiglottis and lift it up
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Fentanyl (Sublimaze) is a
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narcotic analgesic
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ET tube has been positioned properly in the trachea
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the bag-mask device should be easy to compress and you should see corresponding chest expansion
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Anatomically, the _____ is directly anterior to the glottis opening
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vallecular space
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Diazepam and midazolam provide all of the following therapeutic effects, EXCEPT
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analgesia
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Placing a suction catheter past the base of the tongue
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may cause the patient to gag or vomit
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After inserting the combitube to the proper depth, you should next
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Inflate the pharyngeal cuff with 100 mL of air
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Oxygen that is entirely devoid of moisture
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Will dry the patient's mucous membranes quickly
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Digital intubation is absolutely contraindicated if the patients
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is unconscious but breathing
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After properly positioning the patient's head for intubation, you should open his or her mouth and insert the blade
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into the right side of the mouth and sweep the tongue to the left
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Which of the following is NOT a contraindication for nasotracheal intubation
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Spinal injury
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Which of the following interventions is NOT appropriate when treating an unresponsive patient whose airway is obstructed by a dental appliance
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Abdominal thrusts
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When administering CPAP therapy to a patient, it is important to remember that
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the increased intrathoracic pressure caused by CPAP can result in hypotension
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Unresponsive patient who overdosed on a central nervous system depressant drug would be expected to have ____ respirations
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Bradypneic
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Which of the following clinical findings is MOST suggestive of pneumonia in a patient with COPD
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Fever and localized crackles
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Most obvious external landmark of the larynx is the
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Thyroid cartilage
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Hepatojugular reflex occurs when
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Mild pressure placed on the patient's liver further engorges the jugular veins
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Colormetric ETC02 detector turns purple during exhalation phase through an ET tube, approximately how much carbon dioxide is being exhaled
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Less than 0.5%
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____ respirations are characterized by a grossly irregular pattern of breathing that may be accompanied by lengthy periods of apnea
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Biot
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Bedridden patients with excessive pulmonary secretions are MOST prone to developing
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Pneumonia
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Difficulty with exhalation is MOST characteristic of
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Obstructive lung disease
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Which of the following statements regarding anatomic dead space is correct
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Anatomic dead space is about 1 mL per pound of body weight
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Known heroin abuser is found unconscious on a park bench. Your assessment reveals that his respirations are slow and shallow and his pulse is slow and weak. You should
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Assist ventilations with a bag mask device, administer naloxone, and reassess his ventilatory status
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Unlike bronchodilator therapy, corticosteroid therapy
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Takes a few hours to reduce bronchial edema
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____ cells are found in the lining of the airways and produce a blanket of mucus that covers the entire lining of the conducting airways
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Goblet
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Common clinical findings in patients with obstructive lung disease include all of the following, EXCEPT
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a decreased expiratory phase
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Which of the following statements regarding anemia is correct
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Anemia results in a decreased ability of the blood to carry oxygen
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King airway should NOT be used in patients
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With known esophageal disease
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When correctly placed, the distal tip of the Cobra perilaryngeal airway (CobraPLA)
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Is proximal to the esophagus and seals the hypopharynx
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Capnographic waveform, point ___ is the maximal ETC02 and is the best reflection of the alveolar C02 level
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D
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Which of the following medications does NOT possess hypnotic properties
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Alfentanil
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Average depth of ET tube insertion for adult patients is
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21 to 25 cm
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MOST effective way to minimize the risk of hypoxia while intubating a child is to
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Limit your intubation attempt to 20 seconds
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Must insert the ET tube in the patient's left nostril, you should
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Rotate the tube 180 degrees as its tip enters the nasopharynx
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Orotracheal intubation should be performed with the patient's head
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in the sniffing position
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Normal alveolar volume in a healthy adult is
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350 mL
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When using a straight blade, a major mistake of new paramedics is to
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Try to pass the ET tube down the barrel of the blood
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Intrapulmonary shunting is defined as
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The return of unoxygenated blood to the left side of the heart
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Several attempts to orotracheally intubate an unresponsive, apneic young man have failed. You resume bag mask ventilations and begin transport to a hospital located 25 miles away. En route, you begin having difficulty maintaining an adequate mask to face seal with the bag mask device. Assuming that you have the proper equipment, which of the following techniques to secure a patent airway would be MOST appropriate?
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Transillumination intubation
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When obtaining a peak expiratory flow rate for a patient with acute bronchospasm, you should
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Perform the test three times and take the best rate of the three readings
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When determining the correct sized nasogastric tube for a patient, you should measure the tube
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From the nose to the ear and the xiphoid process
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Contrast to negative pressure ventilation, positive pressure ventilation
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May impair blood return to the heart
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____ are pyramid like structures that form the posterior attachment of the vocal cords
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Arytenoid cartilages
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Order for a tracheostomy tube to be compatible with a mechanical ventilator or bag mask device
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It must be equipped with a 15/22 mm proximal adaptor
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Negative pressure ventilation occurs when
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Air is drawn into the lungs when intrathoracic pressure decreases
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Cor pulmonale is defined as
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Right heart failure secondary to chronic lung disease
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Patient with status asthmaticus commonly presents with
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physical exhaustion and inaudible breath sounds
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Patient who is coughing up purulent sputum is MOST likely experiencing
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An infection
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CPAP in the emergency setting is used to treat patients with certain obstructive airway diseases by
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improving patency of the lower airway through the use of positive and expiratory pressure
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Classic presentation of chronic bronchitis is
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excessive mucus production and a chronic or recurrent productive cough
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Patient who is coughing up thick pulmonary secretions should NOT take
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An antitussive
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Amount of pulmonary surfactant is decreased
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Alveolar surface tension increases
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Intubation of a patient with severe asthma
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Is often the last resort because asthmatics are difficult to ventilate and are prone to pneumothoraces
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Patient who is experiencing an allergic reaction states that his tongue "feels thick" and speaks at a low volume. You should immediately evaluate for
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Angioedema
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Nasal cannula is of MOST benefit to patients
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With mild hypoxemia and claustrophobia
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Undersedation of a patient during airway management would likely result in all of the following, EXCEPT
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Respiratory depression
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After obtaining a peak expiratory flow reading of 200 mL, you administered one bronchodilator treatment to a 21 year old woman with an acute episode of expiratory wheezing. The next peak flow reading is 400 mL. You should
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Recognize that the patient's condition has improved
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Needle cricothyrotomy is contraindicated in patients with
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Obstruction above the catheter insertion site
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Complications of aspiration include all of the following, EXCEPT
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Excess surfactant production
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Which of the following findings is MOST clinically significant in a 30 year old woman with difficulty breathing and a history of asthma
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Prior ICU admission for her asthma
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Because the high pressure ventilator used with needle cricothrotomy would cause an increase in intrathoracic pressure, ____ and ____ may result
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Barotrauma, pneumothorax
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Which of the following patients may benefit from CPAP?
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Alert patient with respiratory distress following submersion in water
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Open cricothyrotomy is generally contraindicated in all of the following situations, EXCEPT
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any patient who is younger than 16 years of age
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Spacer device in conjunction with a metered dose inhaler
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Collects medication as it is released from the canister, allowing more to be delivered to the lungs and less to be lost to the environment
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Conditions will cause an increase in the circulating levels of carbon dioxide in the blood, EXCEPT
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Acute hyperventilation
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Which of the following patients has the lowest minute volume
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Tidal volume of 350 mL; respiratory rate of 12 breaths/min
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Elderly woman with COPD presents with peripheral edema. The patient is conscious but agitated. She is breathing with slight difficulty but has adequate tidal volume. During your assessment, you note that her jugular veins engorge when you apply pressure to her right upper abdominal quadrant. She tells you that she takes a "water pill" and vasotec for high blood pressure. You should
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Suspect acute right heart failure and administer oxygen
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Respiratory alkalosis is the result of
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Excess carbon dioxide elimination
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Mouth opening width of less than ____ cm indicates a potentially difficult airway
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3
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Contrast to decreased P02 levels, increased PC02 levels typically manifest as
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sedation or sleepiness
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Assessing a young woman who was struck in the head with a baseball bat. The patient is semiconscious and has slow, irregular respirations. Further assessment reveals CSF drainage from her nose and periorbital ecchymosis. She has blood in her mouth, but clenches her teeth and becomes combative when you attempt to suction her oropharynx. The MOST appropriate airway management for this patient involves
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sedating her with a benzodiazepine, chemically paralyzing her with a neuromuscular blocker, and intubating her trachea
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Patient with orthopnea
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has dyspnea while lying flat
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Patient with obvious respiratory failure require immediate
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Ventilation support
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Primary treatment of bronchospasm is
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bronchodilator therapy
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What type of medication dries secretions in the airway and prevents the cilia from removing them effectively
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Antihistamine
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36 year old man experienced significant burns to his face, head, and chest following an incident with a barbeque pit. Your assessment of his airway reveals severe swelling. After administering medications to sedate and paralyze the patient, you are unable to intubate him. Furthermore, bag mask ventilations are producing minimal chest rise. The quickest way to secure a patent airway in this patient is to
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perform a needle cricothyrotomy
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Phenylephrine hydrochloride ( Neo-Synephrine) during nasotracheal intubation will
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reduce the likelihood and severity of nasal bleeding
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After inserting the ET tube between the vocal cords, you should remove the stylet from the tube and then
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inflate the distal cuff with 5 to 10 mL of air
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Dispatched to a residence for a 59 year old man with difficulty breathing. The patient, who has a history of COPD, is conscious and alert. During your assessment, he tells you that he developed chills, fever, and a productive cough 2 days ago. Auscultation of his lungs reveals rhonchi to the left lower lobe. The patient is MOST likely experiencing
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pneumonia
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Which of the following statements regarding translaryngeal catheter ventilation is correct?
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Ventilation is achieved by the use of a high pressure jet ventilator
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Which of the following medications is a parasympathetic bronchodilator
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ipratropium
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Which of the following conditions would LEAST likely present with an acute onset of respiratory distress?
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Pneumonia
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Process of moving air into and out of the lungs is called
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Ventilation
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When a patient's respirations are too rapid and too shallow
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Inhaled air may only reach the anatomic dead space before being exhaled
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MOST significant complication associated with the use of multilumen airways is
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Unrecognized displacement of the tube into the esophagus
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Contrast to the right lung, the left lung
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Has two lobes
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Supplemental oxygen given to a patient with an acute myocardial infarction
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Enhances the body's compensatory mechanisms during the cardiac event
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Digital intubation should be performed only on a patient who has a bite block inserted in his or her mouth and who is ____ and ____
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unconscious, apneic
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After opening an unresponsive patient's airway, you determine that his respirations are rapid, irregular, and shallow. You should
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Begin positive pressure ventilations
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Removal of a dental appliance after intubating a patient is
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Dangerous and may cause dislodgement of the tube
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40 year old man named Jose fell 20 ft from a tree while trimming branches. Your assessment reveals that he is unresponsive. you cannot open his airway effectively with the jaw thrust maneuver. You should
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Carefully open his airway with the head tilt chin lift maneuver
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Automated transport ventilator is NOT appropriate for patients who are
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Breathing spontaneously
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Stretch receptors in the lungs are responsible for the ___ reflex, which causes you to cough if you take too deep a breath
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Hering-Breuer
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Patients with COPD typically experience an acute exacerbation of their condition because of
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Environmental changes such as weather or the inhalation of trigger substances
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Drugs such as vecuronium bromide (Norcuron) and pancuronium bromide (Pavulon) are MOST appropriate to administer when
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Extended periods of paralysis are needed
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Major advantage of ET intubation is that it
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Protects the airway from aspiration
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Oxygen that is dissolved in the blood plasma
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Makes up the partial pressure of oxygen
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Which of the following conditions would MOST likely cause laryngeal spasm and edema
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Inhalation injury
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Physiologic effects of CPAP include
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Opening of collapsed alveoli
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Biot respirations are characterized by
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An irregular pattern of breathing with intermittent periods of apnea
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When checking the cuff of the LMA prior to insertion, you should
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Inflate the cuff with 50% more air than is required
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Venturi Mask is MOST useful in the prehospital setting when
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A COPD patient requires a long range transport
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During tracheobronchial suctioning, it is MOST important to
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Monitor the patient's cardiac rhythm and oxygen saturation
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After confirming that an intubated patient remains responsive enough to maintain his or her own airway, you should first
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have the patient sit up or lean slightly forward
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Size 3 or 4 LMA
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will accomodate the passage of a 6.0 mm ET tube
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MOST significant complication associated with digital intubation is
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Hypoxia
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Foreign body airway obstruction should be suspected in a child who presents with
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Acute respiratory distress without fever
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Paramedic should be especially dilligent when confirming tube placement following blind nasotracheal intubation because
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he or she did not visualize the tube passing between the vocal cords
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Signs of clinical improvement during CPAP therapy include
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increased ease of speaking
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Patient with respiratory splinting
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Is breathing shallowly to alleviate chest pain
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Oropharynx is
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Forms the posterior portion of the oral cavity
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Under normal conditions, the central chemoreceptors in the brain increase the rate and depth of breathing when the
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pH of the CSF decreases
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Which of the following is NOT a step that is performed during nasotracheal intubation?
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Ensuring that the patient's head is hyperflexed
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Hypoventilation causes a(n) ____ and leads to ____
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Decreased minute volume, hypercarbia
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Surgical opening into the trachea is called a
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tracheostomy
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66 year old man with chronic bronchitis presents with severe respiratory distress. The patient's wife tells you that he takes medications for high blood pressure and bronchitis, is on home oxygen therapy, and has recently been taking an over the counter antitussive. She further tells you that he has not been compliant with his oxygen therapy. Auscultation of his lungs reveals diffuse rhonchi. What is the MOST likely cause of the patient's respiratory distress?
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Recent antitussive use
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Intubating a 60 year old man in cardiac arrest and have visualized the ET tube passing between the vocal cords. AFter removing the laryngoscope blade from the patient's mouth, manually stabilizing the tube, and removing the stylet, you should
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inflate the distal cuff with 5 to 10 mL of air
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When performing an open cricothyrotomy, you will MOST likely avoid damage to the jugular veins if
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The cricothyroid membrane is incised vertically
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Chest compressions and repositioning of the airway are unsucessful in removing a severe airway obstruction in an unconscious patient, you should
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Perform laryngoscopy and use Magill forceps
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Procedure in which the vocal cords are visualized for placement of an ET tube is called direct
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Laryngoscopy
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When performing nasotracheal intubation, you should use an ET tube that is
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1 to 1.5 mm smaller than you would use for orotracheal intubation
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Whistle tip suction catheter is MOST often used to
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Remove secretions from an ET tube
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Which of the following statements regarding field extubation is correct
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It is generally better to sedate the patient rather than extubate
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Airway obstruction secondary to a severe allergic reaction
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Requires specific and aggressive treatment
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8 year old child in cardiac arrest has been intubated. When ventilating the child, the paramedic should
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Deliver 8 to 10 breaths per minute
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During ventilation with the LMA, the paramedic should
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Observe the patient for signs of inadequate ventilation
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Exchange of oxygen and carbon dioxide between the alveoli and the blood in the pulmonary capillaries is called
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External respiration
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With regard to pulse oximetry, the more hypoxic a patient becomes
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The faster he or she will desaturate
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Neuromuscular blocking agents
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Convert a breathing patient with a marginal airway into an apneic patient with no airway
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You will know that you have achieved the proper laryngoscopic view of the vocal cords when you see
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two white fibrous bands that lie vertically within the glottic opening
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According to the most current guidelines for emergency cardiac care, the MOST reliable method for monitoring correct ET tube placement is
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Waveform capnography
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Which of the following conditions would you be LEAST likely to encounter pulse paradoxus
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Moderate asthma attack
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Which of the following abnormal respiratory patterns generally do NOT suggest brain injury or cerebral anoxia
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Kussmaul respirations
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Patients with decompensated asthma or COPD who require positive-pressure ventilation
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May develop a pneumothorax or experience a decrease in venous return to the heart if they are ventilated too rapidly
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Increasing peak expiratory flow reading in a patient with respiratory distress suggests that the patient is
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responding to bronchodilator therapy
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Patient's hemoglobin level is 8 g/dL due to a hemorrhage and all of the hemoglobin molecules are attached to oxygen, the patient's oxygen saturation would MOST likely read
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above 95%
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Typically, ETCO2 is approximately
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2 to 5 mm Hg lower than the arterial PaCO2
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Function of the lower airway is to
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Exchange oxygen and carbon dioxide
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Hyperpnea and tachypnea
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cause an increase in minute ventilation
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External jugular veins run ______ and are located ____ to the cricothyroid membrane
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Vertically, lateral
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______ is an anatomic space located between the base of the tongue and the epiglottis
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Vallecula
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Albueterol (Proventil, Ventolin) - RESPIRATORY DRUG
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Adult Dose: Adult 2.5mg in 2-3 mL NS via nebulizer Class: sympathomimetic dilator MOA: Beta-2 agonist that causes bronchodilation. Relaxes the smooth muscles of the bronchial tree. Indications: bronchospasms, asthma, COPD, emphysema chronic bronchitis,allergic reaction involving the airway. (Wheezing) Contraindications: hypersensitivity (allergic), precaution : heart rate greater than 150 HR>150 Side effects: tachycardia, palpitations, lightheadedness, tremors, mucous production. Pediatric Dose: 20 kg 2.5 mg/dose via hand nebulizer over 20 minutes.
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Benzocaine spray (Hurricane) - RESPIRATORY DRUG
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Adult Dose: 0.5-1.0 second spray, repeat as needed. Repeat as needed. Class: topical anesthetic MOA: suppresses the pharyngeal and tracheal gag reflex Indications: intact gag reflex Contraindications: allergy, suppressed gag reflex Adverse reaction: methemoglobinemia (causes an inability of oxygen to bind to hemoglobin and prevents oxygen that is already bound to hemoglobin to be released at the cellular level, can cause cellular hypoxia) Pediatric Dose: 0.25-0.5 second spray. Repeat as needed.
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Bumetanide (Bumex) - RESPIRATORY DRUG
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Adult Dose: 0.5-1.0mg IV over 1-2 minutes. IM 2-2.5 times stronger than Lasix. Class: Loop diuretic MOA: a potent loop diuretic with a rapid onset and short duration. Blocks the reabsorption of sodium and chloride at the Loop of Henle. Indications: CHF, pulmonary edema. Won't be used for hypertensive crisis. Contraindications: allergic, hypovelemic, hypotension, suspect electrolyte imbalance. Side effects: orthostatic hypotension Pediatric Dose: Safety and effectiveness in pediatric patients is not established.
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Dexamethasone (Decadron) - RESPIRATORY DRUG
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Adult Dose: 1mg/kg slow IV (typical dose 10-100mg). Class: corticosteroid, Antiimflammatory MOA: suppresses acute and chronic inflammation Indications: anaphylaxis, asthma, croup, spinal cord injury Contraindications: allergy, suspected sepsis Pediatric Dose: 0.25 -1.0 mg/kg (IV/IM/IO)
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Diazepam (Valium) - SEDATIVE
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Adult Dose: seizure activity, anxiety, agitation, cocaine induced SVT's, acute alcohol withdrawal: 5-10mg slow IV/IM every 10-15 minutes as needed (PRN) Premedication for RSI, Cardioversion: 5-15mg slow IV Class: benzodiazepine sedative/ hypnotic, anticonvulsant MOA: Long acting sedative / hypnotic, controls seizure threshold Indications: Extreme anxiety, agitation, acute alcohol withdrawal, seizure activity, sedation for medical procedures (RSI, Cardioversion), cocaine induced SVT Contraindications: allergic, acute narrow angle glaucoma, respiratory depression, hypotension Side effects: respiratory depression, hypotension a Pediatric Dose: Not recommended in prehospital setting.
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Diphenhydramine (Benadryl) - RESPIRATORY DRUG
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Dose: 25-50 mg IV, IM Class: Antihistamine, Anticholinergic MOA: Blocks cellular histamine receptors Indications: Allergic reactions, acute days tonic reactions Contraindications: hypersensitivity
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Epinephrine (adrenaline) - RESPIRATORY DRUG ETC.
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Class: Sympathomimetic MOA: Alpha-1 vasoconstriction, Beta-1 Inotropic, Chronotropic and Dromotropic effects, Beta-2 bronchial smooth muscle relaxation. Indications: Initial drugs used in cardiac arrest (asystole, PEA, V-fib, V-tach) an alternative to Dopamine, allergic reaction (anaphylaxis), and severe asthma. Contraindications: hypertension, hypothermic, hypovelemic shock. Adult Dose: cardiac arrest - 1.0mg (1:10,000 solution) IV/IO every 3-5 minutes, follow each dose with 20mL flush and elevate extremity. Alternative to Dopamine - add 1.0mg of Epi 1:1,000 solution into 500mL NS bag (yields 2mcg/mL), administer and infusion rate of 1-10mcg/min, titrate to effect. Mild allergic reaction and severe asthma - 0.3-0.5mg (0.3-0.5mL 1:1,000 solution) SC/IM Anaphylaxis- 0.1mg (1mL of 1:10,000 solution) IV *supplied 1mg in 10mL of solution.
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Epi Racemic (Micronefrin) - RESPIRATORY DRUG
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Adult Dose: mix 0.5 mg of Epi 1:1000 in 5 mL of NS by nebulizer. One time dose only. Class: sympathomimetic MOA: stimulates beta-2 receptors in the lungs causing bronchodilation, reduces airway resistance, reduces laryngeal edema. Indications: asthma, Croup (laryngotrachealbronchitis), laryngeal edema Contraindications: hypertension, cardiovascular disease, epiglotitis, allergy Side effects: tachycardia, nausea, vomiting, anxious, palpitations
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Furosemide (Lasix) - RESPIRATORY DRUG ETC.
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Adult Dose: 0.5 - 1.0 mg/kg over 1-2 minutes. Typical dose is 40-120 mg for test purposes street dosage typically 30-40 mg *lung sounds rales/crackles *orange vial or syringe Class: Loop Diuretic MOA: inhibits the absorption of sodium (Na+) or chloride at the loop of Henle causing increased urine output. Indications: CHF, pulmonary edema, hypertensive crisis, *They have to have had a diagnosis of CHF Contraindications: allergic, hypovelemia, hypotension, suspect electrolyte imbalance, fever Side effects: orthostatic hypotension (vital signs change with a change in body position.
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Ipratropium (Atrovent) - RESPIRATORY DRUG
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ADULT/PED Dose Same: 500 mcg in 2-3 mL NS via nebulizer, 0.5 mg in 2.3 mL NS via nebulizer, 1 time dose (usually given in conjunction with Albueterol.) Class: Anticholinergic bronchodilator MOA: Dries secretions and causes bronchodilation Indications: bronchospasms, asthma, COPD, emphysema chronic bronchitis, allergic reaction involving the airway. (Wheezing) Contraindications: hypersensitivity (allergic), peanuts
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Isoetherine (Bronchosol) - RESPIRATORY DRUG
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Dosage: 2.5-5.0mg in 3mL of NS by nebulizer. Class: sympathomimetic MOA: beta-2 agonist, relaxes bronchioles Indications: asthma, bronchospasms especially in COPD Contraindications: allergy, cardiovascular disease. *use caution in patients with diabetes Side effects: tachycardia, palpitations, nausea, vomiting
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Levalbueterol (Xoponex) - RESPIRATORY DRUG
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Adult Dose: 1.25-2.5mg in 3mL NS by nebulizer up to 3 doses. Class: Sympathomimetic bronchodilators MOA: stimulates beta-2 receptors resulting in smooth muscle relaxation of the bronchial tree and peripheral vasculature. Indications: Acute bronchospasms in patients with COPD and asthma. Contraindications: allergy, Tachycardia 160>
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Magnesium Sulfate - RESPIRATORY DRUG ETC.
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Adult Dose: syringe (Eclampsia 1-4g IV over 3 minutes); cardiac (refractory to Amiodarone) 1-2g IV,IO; Torsades 1-2g IV,IO; infusion (respiratory) 1-2g in 100mL NS 5-10 minutes 10 gtts/mL set Pink top, supplied 1g/ 2mL Class: Electrolyte, Anti Inflammatory MOA: anti Inflammatory, relaxes muscles Indications: Asthma, Emphysema, COPD, Chronic Bronchitis, Eclampsia (seizures of pregnancy), Torsades De Pointes (issue in v-tach), Hypomagnasemia, cardiac arrest (v-fib, v-tach) refractory to amiodarone Contraindication: allergy, heart block Side effects: hypotensive, CNS depression
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Metaproterenal (Alupent) - RESPIRATORY DRUG
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Adult Dose: 0.2-0.3mL of a 5% solution in 2.5mL of NS Class: beta-2 agonist, bronchodilator MOA: relax smooth muscles of bronchial tree Indications: asthma, bronchospasms, chronic bronchitis, COPD Contraindications: allergy, tachycardia Side effects: tachycardia, palpitations, nausea, vomiting.
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Methylprednisone (Solu-medrol)
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Dose: Adult 1-2 mg/kg given IV/IM/IO. Typical dosage is 125 mg given IV/IM/IO. *has to be mixed prior to use Class: Corticosteroid, anti inflammatory, smooth muscle relaxer, Synthetic MOA: Antiimflammatory Indications: asthma, COPD, emphysema,chronic bronchitis, allergic reaction involving the airway. Acute spinal cord injury to help reduce swelling Contraindications: Allergic Side effects: negligible
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Morphine Sulfate (MSO4)
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Adult Dose: acute MI (STEMI) , CHF, pulmonary edema: 2-4mg slow IV every 5-15 minutes to max 10 mg Moderate/ severe pain: 2-10mg slow IV Class: Opiod analgesic (schedule II narcotic) MOA: alleviates pain through CNS action, increases peripheral vasodilation and decreases preload. Indications: severe CHF, pulmonary edema, chest pain associated with an acute MI, moderate to severe pain. Contraindications: allergic, significant head injury, depressed respiratory drive, hypotension, undiagnosed abdominal pain, decreased Loc Side effects: sedation, CNS depression, respiratory depression, hypotension, nausea and vomiting.
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