Final Exam 9/4 Respiratory Therapy – Flashcards

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question
CPT/IPPB/IS A. Know indications and contraindications for postural drainage.
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indications - mobilize secretions (mucokinesis), dehydration, acute pulmonary disease, prophylaxis contraindications - empyema, flail chest, wounds, spinal injury, pneumothorax, head injury or surgery, unstable cardiac status, unstable COPD, obesity, pregnant, and recent meal or tube feeding.
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CPT/IPPB/IS B. Know positions to drain following: 1. Apicals of upper lobes 2. Posterior basal 3. Anterior and posterior segments of lower lobes
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1. Fowler's 2. Prone Trendelenburg 3. Prone
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CPT/IPPB/IS C. Know peak flow range of the Bird Mark 7 in the airmix mode and when it is not in the airmix mode.
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0-50 L/Min. (non air mix pushed in). 0-80 L/Min. (air mix pulled out).
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CPT/IPPB/IS D. Know how to classify the PR1.
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pneumatically powered, pressure limited, flow cycled, single circuit, positive pressure, assist or control (usually assist).
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CPT/IPPB/IS E. Know what the concentrations of oxygen are on the PR1 in the airmix mode and what position the knob is in for the airmix mode.
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100 percent pull out (pulled out 100 fio2) push in is airmix (push in 40-60 fio2).
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CPT/IPPB/IS F. Know what the apnea timer on the Bird Mark 7 controls.
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inspiratory hold that improves gas distribution. has most influence on expiatory time.
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CPT/IPPB/IS G. Know what parameter is effected with a change in pressure during an IPPB treatment.
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volume delivered (will increase or decrease with the pressure) and inspiratory time.
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CPT/IPPB/IS H. Know the primary indication for incentive spirometry.
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to treat and/or prevent atelectasis.
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CPT/IPPB/IS I. Know indications and contraindications for IPPB.
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indications - deliver medication, deliver adequate vital capacity, improve I:E ratio, Improve cough (mobilize secretions), alter the V/Q (ventilation-profusion), and improve or prevent atelectasis, and decrease PaCO2. contraindications - untreated tension pneumothorax, active TB, O2 induced hypo ventilation, may increase air trapping, may increase ICP, may decrease cardiac pressure, may cause tachypnea, could create pneumothorax, may cause hymoptass (coughing blood), may cause hypotension.
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ABG Puncture/Interpretation A. Know what type of patient might have the following results: pH 7.37 PaCO2 60 PaO2 60 HCO3 35. What is the correct recommendation for this and what causes this.
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the ABG is fully compensated respiratory acidosis, the patient has COPD, do nothing this is normal for this patient.
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ABG Puncture/Interpretation B. Know how to identify lab errors.
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if sample is left room air for over an hour, or has air bubbles, and excessive heparin.
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ABG Puncture/Interpretation C. Know what happens when you fail to ice your sample.
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if not been iced within 10 minutes, it will lower the PaO2, raise the PaCO2, and the Ph will be lower than it really is.
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ABG Puncture/Interpretation D. Know what happens when an air bubble is left in your sample.
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could increase the PaO2 and decrease CO2.
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ABG Puncture/Interpretation G. Know what the following electrodes measure: 1. Clark 2. Sanz 3. Severinghaus
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1. clark - O2 2. sanz - Ph 3. Severinghaus - CO2
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ABG Puncture/Interpretation H. Know what 5 things to do after you have drawn your ABG sample to complete the procedure.
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hold pressure for 5 minutes or greater, expel air and cap it, mix sample, and ice it.
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ABG Puncture/Interpretation I. Know the proper sequence for determining the site of an ABG puncture.
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radial then brachial then femoral
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ABG Puncture/Interpretation J. Know the types of hypoxia
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1. hypoxic hypoxia 2. hypemic hypoxia 3. stagnant hypoxia 4. histoxic hypoxia
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ABG Puncture/Interpretation K. Know what happens to make the Oxyhemoglobin dissociation curve shift left or right.
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left - H+ decreases (Ph increases), PCO2 decreases, temperature decreases, and 2-3 DPG decreases right - H+ increases (Ph decreases), PCO2 increases, temperature increases, and 2-3 DPG increases.
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ABG Puncture/Interpretation L. Know what value best reflects ventilation.
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PaCO2
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ABG Puncture/Interpretation M. Know normal venous blood values.
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Ph-7.36, PvCO2-46, PvO2-40, HCO3-24
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CPR/ECG's F. Know when PCV's are dangerous.
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premature ventricular contractions, occur in multiples, more than 6 times a minute, land on or near a T wave.
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CPR/ECG's G. Know what the P, QRS complex, and T represent on an ECG.
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P - depolarization of the atria, QRS - ventricular depolarization, T - ventricular repolarization.
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CPR/ECG's H. Know how to identify: 1. PVC's 2. Normal sinus rhythm 3. Sinus bradycardia 4. Ventricular tachycardia 5. sinus tachycardia
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1. wide QRS, lacking P Wave, T wave deflation (going down) 2. normal P, QRS, and T, rate is between 60 - 100 beats a minute. 3. normal but rate below 60. 4. abnormal QRS but normal in appearance and regular inrhythm, no P wave, treated as an emergency. If witnessed, can be fixed with a premortial thump. 5. normal tracing but heart rate is over 100 beats a minute.
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Patient Assessment B. Know the normal values for the following: 1. Hgb 2. WBC 3. Hct 4. K
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1. 14-18 for male, 12-16 for female. 2. 5000-10,000 3. 40-50 in males. 37-47 in female. 4. 3.5-5 *if you give Hgb and want to get an approximate hematacrit multiple Hgb by 3.
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Patient Assessment C. know how to convert Celsius to Fahrenheit.
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1. F=Cx1.8x32 2. C= (F-32)/1.8
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Patient Assessment G. Know what normal breath sounds are called
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visicular, bronchial, bronchioviscular, and tracheal.
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Artificial Airways/Suctioning A. know how to determine proper size of suctioning catheters.
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mm/2x3, IDx2 then next lowest number.
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Sterilization/Microbiology C. Know what Mycobacterium tuberculosis is and how it is spread.
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TB, gram positive, acid fast bacillus, spread through droplet.
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Respiratory Equations A. Know the alveolar air equation and how to use it.
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PAO2=FIO2 (PB-47) - 1.2 (PaCO2)
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Respiratory Equations D. Know what CaO2 is and how to find it.
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it is the arterial oxygen content, the formula is CaO2 = 1.36xHgbxSaO2+(0.003xPaO2). (normal = 17-24 mL/dL)
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Respiratory Equations E. Know what an A-a gradient is and how to determine it.
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Alveolar-arterial O2 tension difference PA-aO2=PAO2-PaO2
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Respiratory Equations F. Know what compliance is and how to determine it
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volume change per unit in applied pressure C=change in volume divided by change in pressure
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Respiratory Equations G. Know how many milliliters of oxygen per grams of Hgb.
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1.34 ml of oxygen
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Respiratory Equations H. Know what the respiratory quotient is and how it is determined.
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is a dimensionless number used in calculations of basal metabolic rate when estimated from carbon dioxide production. RQ=CO2/O2.
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Respiratory Equations I. know what carbon anhydrase is and what it does.
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as CO2 enters the bloodstream it mixes with H2O and converts into carbonic acid, this reaction is enhanced and found in red blood cells.
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Respiratory Equations J. Know the Henderson-Hasselbach equation and what the numbers represent.
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pH = 6.1 + log HCO3 / H2CO3
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Analyzers, Cylinders, Guages, and Flowmeters A. know liters in G, H, and E cylinders.
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G = 5,300 L H = 6,600 L E = 600 L
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Analyzers, Cylinders, Guages, and Flowmeters B. Know cubic feet in a G, H, and E cylinder.
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G = 187.17 ft 3 H = 233.08 ft 3 E = 23.31 ft 3
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Analyzers, Cylinders, Guages, and Flowmeters c. know what to do if gas escapes from the wall outlet after removing a flowmeter.
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re-insert the flowmeter and tell management.
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Analyzers, Cylinders, Guages, and Flowmeters D. know what carbogen therapy is and equipment used.
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a mixture of 5%-10% carbon dioxide and 95%-90% oxygen used for inhalation therapy to produce vasodilation.
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Analyzers, Cylinders, Guages, and Flowmeters e (1). know facts about P.I.S.S.
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Pin Index Safety System. part of the american standard safety system. these specifications apply only to the value outlets of small cylinders, up to and including size e, which use a yoke-type connection.
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Analyzers, Cylinders, Guages, and Flowmeters e (2) know facts about D.I.S.S.
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diameter index safety system. specifications, established to prevent accidental interchange of law-pressure (<200 psig) medical gas connectors. used in respiratory care to connect equipment to a law-pressure gas source.
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Analyzers, Cylinders, Guages, and Flowmeters e(3) know facts about A.S.S.S.
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american standard safety system, specifications adopted in the U.S. and canada for threaded high-pressure connections between compressed gas cylinders and their attachments.
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Analyzers, Cylinders, Guages, and Flowmeters F. know facts about the bourdon gauge.
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always used with adjustable pressure-reducing value. uses fixed crifice. operates under variable pressures. gravity does not affect it (can be laid in its side and not affect results)
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Analyzers, Cylinders, Guages, and Flowmeters G. know formula to figure duration of flow in G, H, and E Cylinders
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pressure (psig) x cylinder factor over flow (L/min) cylinder factors - G = 2.41 H = 3.14 E = .28
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Analyzers, Cylinders, Guages, and Flowmeters H. Know critical temperature of oxygen and process for making liquid oxygen.
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-118.6 C (-181.48 F). chemical mixture is separated according to their different boiling points. vapors from a boiling solution are passed along a column. the temp of the column gradually decreases along its length. components with a higher boiling point condense on the column and return to the solution, components with a lower boiling point pass through the column and are collected.
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Analyzers, Cylinders, Guages, and Flowmeters I. Know color for: air, oxygen, helium, cyclopropane, carbon dioxide, nitrogen, heliox, and nitrous oxide.
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air = yellow, oxygen = green, helium = brown, cyclopropane = orange, carbon dioxide = grey, nitrogen = black, heliox = brown/grey, nitrous oxide = black and brown
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Analyzers, Cylinders, Guages, and Flowmeters J. Know what pink and blue crystals are used for in oxygen analyzers.
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pink - add moisture. blue - remove moisture.
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Analyzers, Cylinders, Guages, and Flowmeters K. know difference between compensated and uncompensated flow meter.
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compensated - needle valve is distal to thorpe tube, back pressure has no effect and the ball "jumps" when attached to gas source. uncompensated - needle valve is proximal to tube, not compensated for back pressure, pressure downstream may cause flow to appear less than what it really is
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Analyzers, Cylinders, Guages, and Flowmeters L. know how to classify oxygen analyzers. (4 ways)
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physical - uses paramagnetism principle to measure O2 concentration electric - uses electric current to measure O2 concentration chemical - uses different chemicals to measure O2 concentration electrochemical - most common. uses mix of electric and chemical to measure O2 concentration.
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Anatomy A. know flow of blood through the heart.
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S/1 VC ---> RA --> TV---> RV ---->PV ----> PA ---> pulmonary circulation --> PV ---> LA ---> BV ---> LV ----> AV ---> Aorta ---> systemic circulation
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Anatomy B. know what supplies collateral circulation to the head
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ulnar artery
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Anatomy C. know what is contained in the mediastinum
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thymus gland, trachea, esophagus, heart, great vessels, lymph nodes
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Anatomy D. Know 4 facts about alveolar air
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gas exchange happens in the alveoli. 47 torr, body temp, about 44 miligrams (weight)
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Anatomy E. know what makes up the mucus blanket.
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95% water, 2 layers: sol and gel layer.
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Anatomy F. Know segments of the lungs.
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RUL - apiral, posterior, anterior RML - lateral, medical RLL - superior, medinasal, Ant. Basal, lateral basal, post basal LVL - apporal, posterior Lingula - superior, inferior LLL - superior, ant. basal, lat. basal, post. basal
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Anatomy G. know structure of alveoli
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grape-like clusters
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Anatomy H. know valves for intraplueral and intrapulmonary pressures during inspiration and expiration
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intrapleural - insp. GmmHg. Exp -3 mmHg. Intrapulmonary - Insp - 3 mmHg. exp - +3 mmHg.
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Anatomy I. know normal ventilation to perfusion
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0.8
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Anatomy J. know 4 facts about surfactant
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detergent-like, phospholipid, down arrow surface tension, protect from alveoli collapse
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Anatomy K. know about central and peripheral chemoreceptors. where located? what respond to? what happens when stimulated?
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central - near ventral medulla, respond to small variations in PCO2, regulates normal gas exchange. peripheral - located in carotid arteries. responds to heavy exercise. causes hyperventilation.
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Anatomy L. know linings of the thorax.
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parietal plura, visceral plura, and mediastinal plura.
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Anatomy M. know: ventilation, internal respiration, external respiration, and A-a gradient
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ventilation - molecular exchange of O2 and CO2 within body's tissue internal respiration - exchange of O2 and CO2 at tissue level external respiration - respiration process that involves gas exchange in the alveoli. A-a gradient - ratio of arterial O2 partial pressure (a) to alveolar O2 partial pressure (A) a measure of O2 transfer across the lungs.
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Anatomy N. know what deadspace is and how to determine anatomic deadspace.
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respired gas volume that does not participate in gas exchange anatomical dead space is found by dividing tidal volume from dead-space (vd/vt)
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anatomy O. know the muscles of normal ventilation, labored inspiration, and forced expiration
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normal - diaphragm, external and internal intercostals. labored - diaphragm, external and internal intercoastals, scalene, sternoclidoid, trapizavis, pectoral. forced - diaphragm, external and internal oblique.
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anatomy P. know what hering-breuer reflex is
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sensory reflex in lungs that keep lungs from over/under inflating/deflating.
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anatomy Q. know anatomical landmarks of upper air-way
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nose - nares, conchae (superior, middle, inferior), olfactory, nasopharynx. mouth - oral cavity, hard and soft palate, tongue, vellecula, orpharynx. throat - epiglottis, larynx, esophagus, trachea, laryngopharynx.
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anatomy R. know structures of heart.
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epicardium, myocardium, endocardium, atria, ventricus, aortic valve, mitral valve, pulmonary valve. tricuspid valve.
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anatomy S. know long segments most likely affected by aspiration in different anatomical positions.
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standing - right lower lobe and posterial basal. prone - anterior segments. supine - superior segments and right lower lobes.
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medical gas, humidity, aerosol therapy a. know what gases make up the atmosphere and at what percent
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O2-21% Nitrogen - 78% CO2 - 0.04% trace gases like Augon - 0.9 %
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medical gas, humidity, aerosol therapy b. how much more diffusible is CO2 than O2?
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CO2 is 20x more O2.
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medical gas, humidity, aerosol therapy C. know Dalton's law and how to apply it.,
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total pressure of mixture of gases must equal sum of partial pressures of all component gases.
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medical gas, humidity, aerosol therapy D. know how to express units in more than 1 way. (i.e. 760 torr= _____.)
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1 mmHg=1 torr 760 torr = 1 ATM 1 ATM = 76 cmHg 1 ATM = 29.92 in Hg 1 ATM = 10.332 m/H2O 1 ATM = 406.78 in/H2O 1 ATM = 1.033 kg/cm2 1 ATM = 33.899 ft of fresh H2O 1 ATM = 33 ft of sea H2O 1 ATM = 14.7 PSI 1 ATM = 101.325 kilopaxel
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medical gas, humidity, aerosol therapy E. know what happens to partial pressures of gases in different elevations
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as you ascend partial pressure will rise and barometric pressure will drop.
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medical gas, humidity, aerosol therapy f. know hazards of oxygen therapy.
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O2 toxicity. COPD pts.
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medical gas, humidity, aerosol therapy G. know what system of oxygen delivery is best for COPD patients
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low flow (nasal cannula) and high flow (venturi mask)
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medical gas, humidity, aerosol therapy H. know acceptable concentrations for Heli-Ox therapy
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70 (helium) - 30 (O2) or 80-20
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medical gas, humidity, aerosol therapy I. know what effects the output of a humidifier.
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temperature
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medical gas, humidity, aerosol therapy K. know what the proper temperature is to assure adequate humidity from a cascade humidifier.
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37 C / 98.6 F
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medical gas, humidity, aerosol therapy L. know ideal range for particle size deposition in alveoli.
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0.5-3 microns
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medical gas, humidity, aerosol therapy m. know hazards of ultrasonic nebulizer.
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asthma, Pts, CHF pts, fluid overload
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medical gas, humidity, aerosol therapy n. know Bernoulli's principle and how it is used in respiratory therapy.
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for an inviscid flow an increase in the speed of the fluid occurs simultaneously with a decrease in pressure in the fluids potential energy.
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medical gas, humidity, aerosol therapy O. know following: 1. relative humidity, 2. absolute humidity. 3. humidity deficit.
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relative - (RH) amt. of moisture in the air compared with the max the air could contain at the same temp. absolute - actual mass or content of water in a measured volume of air. usually expressed in grams per cubic meter or pounds. HD - difference between actual water vapor pressure and saturation water vapor pressure at a particular temperature.
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medical gas, humidity, aerosol therapy P. know what retrolental fibroplasis is and what it causes.
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abnormal proliferation of fibrous tissue immediately behind the lens of eye, causing blindness. affects premature babies who have been given excessive adminstration of O2.
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medical gas, humidity, aerosol therapy Q. know how to troubleshoot an APN.
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aerosol particle nebulizer. check equipment, check for clinking, check premature obstructions, check flow rat.e
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Pharmacology A. know common respiratory medication, generic and brand names
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isoproternol (isuprel) isoetharine (bronkosol) raceanic epinepherine (vaponeferin, micronefrin, asthmanefrin) epinefrine (adrenalin) albuteral sulfate/salbutamol (proventil, ventolin) terbutaline (brethine, brethaire)
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pharmacology c. know adrenergic bronchodilator alpha, beta 1 and beta 2 responses.
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alpha - causes construction and vasopressors effect, in teh upper airway, it can provide decongestion beta 1 - causes increase myocardial conductivity and increase HR and contractile force. beta2 - causes relaxation of bronchial smooth muscles with some inhibition of inflammatory mediator release and stimulation of mucociliary clearance.
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pharmacology d. know when to use following solutions: hypertonic, hypotonic, and isotonic.
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hypertonic - if pt needs immediate rise in blood pressure hypotonic - if pt is dehydrated isotonic - to maintain or slowly raise blood pressure
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pharmacology e. hydrophilic
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having tendency to mix with, disolve in, or be wetted by H20.
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pharmacology f. know what these drugs do: methylxanthine, cromolyn sodium, vaponefrin, salbutamol.
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methy-helps acutve asthma attacks/acute exasbation of COPD by relaxing airways, can strengthen the diaphragm to improve breathing and help get mucus out of lungs. cromolyn sodium - anti-inflammatory meds used to prevent asthma attacks. vaponefrin - regulates heart rate, blood vessels, air passage diameters, and metabolic shifts. salbutamol - treats bronchospasm and COPD.
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pulmonary functions B. know what a vane respirometer is and what can effect its accuracy.
answer
measures tidal volume and minute volume from the number of revolutions of a vane rotated by the gas stream as the latter passes through ten slots in a cylindric stator ring to turn a flat two-bladed rotor.
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pulmonary functions c. know what normal total lung compliance is
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6L.
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pulmonary functions D. know what happens when lung compliance increases or decreases
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when increasing, can indicate old age or emphysema and decrease could indicate atelectasis, edema, fibrosis, phneumonia.
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