question

Which principle should the nurse remember while planning care for a patient with respiratory problems? Diffusion of respiratory gases takes place at the: A. Alveolocapillary membrane B. Visceral pleurae C. Parietal pleurae D. Respiratory center

answer

Alveolocapillary membrane

question

A nurse is teaching about the functions of the pulmonary system. Which information should the nurse include? One of the functions of the pulmonary system is the: A. Expelling of bacteria B. Exchange of gases between the environment and blood C. Movement of blood into and out of the capillaries D. Principle mechanism for cooling of the heart

answer

Exchange of gases between the environment and blood

question

During inspiration, muscular contraction of the diaphragm causes air to move into the lung. The mechanisms that drive air movement during inspiration are a(n): A. Decrease in intra-alveolar pressure and shortening of the rib cage B. Decrease in the size of the thorax and alveolar expansion C. Increase in the size of the thorax and a decrease in intrapleural pressure D. Increase in atmospheric pressure and intrapleural pressure

answer

Increase in the size of the thorax and a decrease in intrapleural pressure

question

An aide asks a nurse how surfactant works. How should the nurse respond? Surfactant facilitates alveolar distention and ventilation by: A. Decreasing thoracic compliance B. Attracting water to the alveolar surface C. Decreasing surface tension in alveoli D. Increasing diffusion in alveoli

answer

Decreasing surface tension in alveoli

question

Which principle should the nurse remember while planning care for a patient with a respiratory problem? Under most circumstances, increased work of breathing results in: A. Increased partial pressure of O2 in the lungs B. Increased oxygen consumption C. Decreased PaCO2 D. Alterations in alveolar perfusion

answer

Increased oxygen consumption

question

A patient wants to know how carbon dioxide is transported in the body. How should the nurse respond? Carbon dioxide (CO2) is mainly transported in the blood: A. Attached to oxygen (O2) B. Dissolved in red blood cells C. Combined with albumin D. In the form of bicarbonate

answer

In the form of bicarbonate

question

Which of the following terms should the nurse use when there is a balance between outward recoil of the chest wall and inward recoil of lungs at rest? A. Functional residual capacity (FRC) is reached. B. Vital capacity (VC) is reached. C. Total lung capacity (TLC) is reached. D. Residual volume (RV) is reached.

answer

Functional residual capacity (FRC) is reached.

question

If an individual with respiratory difficulty were retaining too much carbon dioxide, which of the following compensatory responses would the nurse expect to be initiated? A. Increase in respiratory rate B. Decrease in ventilation rate C. Increase in tidal volume D. Vasodilation of the pulmonary arterioles

answer

Increase in respiratory rate

question

A nurse remembers the majority of total airway resistance occurs in the: A. Bronchi B. Nose C. Oral pharynx D. Diaphragm

answer

Nose

question

The nurse is describing the receptors in the lung that decrease ventilatory rate and volume when stimulated. Which receptors is the nurse discussing? A. Carbon dioxide receptors B. Baroreceptors C. Stretch receptors D. Chemoreceptors

answer

Stretch receptors

question

A nurse recalls the pleural membranes are examples of _____ membranes. A. Mucous B. Serous C. Synovial D. Peritoneal

answer

Serous

question

While reviewing the results of the pulmonary functions test, the nurse is aware that the maximum amount of gas that can be displaced (expired) from the lung is called: A. Vital capacity (VC) B. Total lung capacity C. Functional capacity D. Residual volume

answer

Vital capacity (VC)

question

While auscultating a patient's lungs, a nurse recalls the alveoli in the apexes of the lungs are _____ than alveoli in the bases. A. Larger B. More numerous C. More compliant D. Less perfused

answer

Larger

question

After entering a room of chemical fog, a 20-year-old male cannot stop sneezing. Which of the following structures is primarily responsible for his sneezing? A. Upper respiratory tract mucosa B. Irritant receptors in the trachea and large airways C. Irritant receptors in the nostrils D. Upper respiratory nasal hairs and turbinates

answer

Irritant receptors in the nostrils

question

Students in a histology class are assigned to identify regions of the lung. The slide shows a basement membrane, capillary lumen, and macrophages. The students are looking at the: A. Trachea B. Bronchioles C. Alveoli D. Bronchus

answer

Alveoli

question

While planning care for a patient with respiratory difficulty and retaining too much carbon dioxide, which principle should the nurse recall? _______ would be stimulated in an attempt to maintain a normal homeostatic state. A. Irritant receptors B. Stretch receptors C. Peripheral chemoreceptors D. Central chemoreceptors

answer

Central chemoreceptors

question

If a patient's hemoglobin concentration (Hb) is 14 g/100 ml and arterial oxygen saturation (SaO2) is 98%, what would be his arterial oxygen content? Remember that 1.34 ml O2 is the maximum amount of oxygen that can be transported per gram of hemoglobin. Hint: O2 content = (1.34 ´ Hb) SaO2 A. 13.72 ml O2 per 100 ml blood B. 15.38 ml O2 per 100 ml blood C. 18.76 ml O2 per 100 ml blood D. 19.30 ml O2 per 100 ml blood

answer

18.76 ml O2 per 100 ml blood

question

A 42-year-old male was involved in a motor vehicle accident during which he suffered a severe head injury. He died shortly after the accident from loss of respiration. The nurse suspects the area of the brain most likely involved is the: A. Cerebral cortex B. Thalamus C. Basal ganglia D. Brainstem

answer

Brainstem

question

The pulmonologist is presenting a workshop over the lungs. Which information should be included? The lung receives parasympathetic innervation by the _____ nerve. A. Vagus B. Phrenic C. Brachial D. Pectoral

answer

Vagus

question

An 80-year-old male presents to his primary care provider reporting difficulty breathing. Pulmonary function tests reveal that he has increased residual volume. A nurse suspects the most likely cause of this disorder is _____ in lung compliance. A. An increase B. A decrease C. No change D. An absence

answer

An increase

question

The nurse is describing the movement of blood into and out of the capillary beds of the lungs to the body organs and tissues. What term should the nurse use to describe this process? A. Perfusion B. Ventilation C. Diffusion D. Circulation

answer

Perfusion

question

The nurse is describing the slit-shaped space between the true vocal cords. What term should the nurse use? A. Glottis B. Epiglottis C. Larynx D. Carina

answer

Glottis

question

What is the partial pressure of oxygen in the lung given the following conditions? Percentage of oxygen in air: 20 Barometric pressure: 700 mm Hg A. 111 mm Hg B. 124 mm Hg C. 131 mm Hg D. 140 mm Hg

answer

140 mm Hg

question

In a patient with acidosis or a fever, the nurse would expect the oxyhemoglobin dissociation curve to shift: A. To the right, causing more O2 to be released to the cells B. To the left, allowing less O2 to be released to the cells C. Downward, allowing less O2 to dissolve in the plasma D. Upward, allowing more O2 to dissolve in the plasma

answer

To the right, causing more O2 to be released to the cells

question

The pressure required to inflate an alveolus is inversely related to: A. Wall thickness B. Surface tension C. Minute volume D. Alveolar radius

answer

Alveolar radius

question

The pulmonologist talks about the receptors that respond to increased pulmonary capillary pressure. What term will indicate the nurse understands? They are called: A. Irritant receptors B. Chemoreceptors C. Stretch receptors D. J receptors

answer

J receptors

question

A newborn is in respiratory distress and requires ventilation. Tests reveal that he does not produce surfactant due to the absence of: A. Mucus-producing cells B. Type II alveolar cells C. Alveolar macrophages D. Goblet cells

answer

Type II alveolar cells

question

The nasopharynx is lined with a ciliated mucosal membrane with a highly vascular blood supply. The nurse is discussing the functions of this membrane. Which information should be included? One function of the membrane is to: A. Absorb air B. Humidify air C. Cool air D. Exchange gases

answer

Humidify air

question

A consequence of alveolar hypoxia is: A. Reactive vasodilation B. Local bronchoconstriction C. Decreased respiratory rate D. Pulmonary artery vasoconstriction

answer

Pulmonary artery vasoconstriction

question

When the pulmonologist discusses the condition in which a series of alveoli in the left lower lobe receive adequate ventilation but do not have adequate perfusion, which statement indicates the nurse understands this condition? When this occurs in a patient it is called: A. Pulmonary hypotension B. A low ventilation-perfusion ratio C. A right-to-left shunt D. Alveolar dead space

answer

Alveolar dead space

question

A 50-year-old male presents with hypotension, hypoxemia, and tracheal deviation to the left. Tests reveal that the air pressure in the pleural cavity exceeds barometric pressure in the atmosphere. Based upon these assessment findings, what does the nurse suspect the patient is experiencing? A. Transudative pneumothorax B. Pleural effusion C. Tension pneumothorax D. Open pneumothorax

answer

Tension pneumothorax

question

Which of the following patients is at highest risk for developing pulmonary embolism (PE)? A. 21-year-old male with a hemophilia bleeding disorder B. 36-year-old woman with a history of alcohol abuse who is recovering from a gastric ulcer C. 72-year-old male who is recovering from hip replacement surgery in the hospital D. 28-year-old woman who had a baby 6 months earlier

answer

72-year-old male who is recovering from hip replacement surgery in the hospital

question

A 50-year-old male is diagnosed with pulmonary embolism (PE). Which of the following symptoms most likely occurred before treatment? A. Chest pain and shortness of breath B. Shallow respirations and wheezing C. Dry cough and inspiratory crackles D. Kussmaul respirations and back pain

answer

Chest pain and shortness of breath

question

A 60-year-old male undergoes surgery for a bone fracture. Which of the following nursing measures would be most effective for preventing pulmonary embolism (PE) in this patient? A. Ensure that patient uses supplemental oxygen. B. Check hematocrit and hemoglobin levels frequently during the postoperative period. C. Promote aggressive fluid intake. D. Prevent deep vein thrombosis formation.

answer

Prevent deep vein thrombosis formation

question

A 47-year-old male is diagnosed with pulmonary edema. Which assessment findings will the nurse observe? A. Pink, frothy sputum B. Wheezing C. Thick mucus secretions D. Hypocapnia

answer

Pink, frothy sputum

question

A nurse remembers a low ventilation-perfusion ratio results in: A. Alveolar collapse B. Shunting C. Bronchoconstriction D. Increased dead space

answer

Shunting

question

A 30-year-old female received a severe head injury in a motor vehicle accident. She is now experiencing respiratory abnormalities characterized by alternating periods of deep and shallow breathing with periods of apnea. What term should the nurse use when charting this condition? A. Frank-Starling B. Orthopnea C. Apnea D. Cheyne-Stokes

answer

Cheyne-Stokes

question

A 28-year-old male reports to his primary care provider that he has had a cold for a week and is coughing up bloody secretions. When giving report, what term should the nurse use to describe this condition? A. Hematemesis B. Hemoptysis C. Rhinitis D. Cyanosis

answer

Hemoptysis

question

Which patient would the nurse assess for paroxysmal nocturnal dyspnea (PND)? A patient with: A. Asthma B. Pulmonary fibrosis C. Hypotension D. Left ventricular failure

answer

Left ventricular failure

question

A 30-year-old male is involved in a motor vehicle accident and sustains trauma to the lungs and chest wall. He experiences respiratory failure. Which of the following lab values would the nurse expect? A. Electrolyte imbalances B. Elevated pH C. Low hematocrit D. Elevated PaCO2

answer

Elevated PaCO2

question

A 10-year-old female develops pneumonia. Physical exam reveals subcostal and intercostal retractions. She reports that breathing is difficult and she feels she cannot get enough air. What term should the nurse use to document this condition? A. Cyanosis B. Dyspnea C. Hyperpnea D. Orthopnea

answer

Dyspnea

question

A 60-year-old female with a 25-year history of smoking is diagnosed with emphysema. She has an increased anterior-posterior chest diameter. The nurse attributes this finding to: A. Air trapping B. Alveolar destruction C. Decreased inspiratory reserve volumes D. Increased flow rates

answer

Air trapping

question

A group of mountain climbers experience confusion, tachycardia, edema, and decreased renal output after climbing Mount Rainier. A nurse recalls this condition is caused by: A. Decreased inspired oxygen B. Diffusion abnormalities C. Hypoventilation D. Bronchoconstriction

answer

Decreased inspired oxygen

question

An 80-year-old female is in the hospital for a bone fracture. While there she develops a large, nonlethal pulmonary embolus. Which of the following is a direct result of the obstruction to pulmonary blood flow? A. Pulmonary hypertension B. Risk of cerebral emboli C. Pulmonary edema D. Systemic hypertension

answer

Pulmonary hypertension

question

A 26-year-old female recently underwent surgery and is now experiencing dyspnea, cough, fever, and leukocytosis. Tests reveal that she has a collapsed lung caused by removal of air from obstructed alveoli. What condition will the nurse observe on the chart? A. Compression atelectasis B. Hypoventilation C. Bronchiectasis D. Absorption atelectasis

answer

Absorption atelectasis

question

A 60-year-old female with emphysema is having difficulty expiring a given volume of air. When giving report, the nurse will relay that the patient is most likely experiencing _____ pulmonary disease. A. Restrictive B. Atelectatic C. Pleuritic D. Obstructive

answer

Obstructive

question

A 54-year-old male is diagnosed with empyema. Upon receiving and reviewing the culture result, which organism does the nurse suspect is the most likely cause? A. Moraxella catarrhalis B. Klebsiella pneumonia C. Virus D. Staphylococcus aureus

answer

Staphylococcus aureus

question

Which of the following are characteristic of idiopathic pulmonary arterial hypertension (IPAH)? (Select all that apply.) A. Weight gain B. Fatigue C. Male gender D. Dyspnea E. Jugular vein distention

answer

Fatigue, Dyspnea, JVD

question

A nurse is monitoring a patient for pulmonary hypertension. Which mean pulmonary artery pressure reading will indicate to the nurse that pulmonary hypertension is occurring? Pulmonary artery pressure above _____ mm Hg.

answer

25

question

A nurse is preparing to teach the staff about asthma. Which information should the nurse include? Airway obstruction contributing to increased airflow resistance and hypoventilation in asthma is caused by: A. Type II alveolar cell injury and decreased surfactant B. Alveolar fibrosis and pulmonary edema C. Collapse of the cartilaginous rings in the bronchi D. Mucus secretion, bronchoconstriction, and airway edema

answer

Mucus secretion, bronchoconstriction, and airway edema

question

A 10-year-old male is brought to the ER with prolonged bronchospasm and severe hypoxemia. The most likely diagnosis on the chart is: A. Chronic obstructive pulmonary disease (COPD) B. Exercise-induced asthma C. Status asthmaticus D. Bronchiectasis

answer

Status asthmaticus

question

A 15-year-old female is diagnosed with restrictive lung disease caused by fibrosis. The patient had a pulmonary functions test. Which of the following findings is expected? A. Decreased functional residual capacity B. Increased compliance C. Increased tidal volume D. Decreased respiratory rate

answer

Decreased functional residual capacity

question

A 53-year-old male with a 20-year history of smoking is diagnosed with emphysema. When the nurse is asked what causes this, what is the nurse's best response? Changes in his lungs are caused by: A. Alpha-1-antitrypsin deficiency B. Viral infections C. Fibrotic lung disease D. Destruction of alveolar macrophages

answer

Alpha-1-antitrypsin deficiency

question

Which of the following assessment findings would be expected in pulmonary embolism (PE)? (Select all that apply.) A. Tachypnea B. Chest pain C. Hemoptysis D. Tachycardia E. Fever

answer

Tachypnea, Chest pain, Tachycardia

question

A 65-year-old male recently had a cerebrovascular accident that resulted in dysphagia. He now has aspiration of gastric contents. The nurse assesses the patient for which complication? A. Pneumonia B. Pneumothorax C. Bronchiectasis D. Emphysema

answer

Pneumonia

question

Individuals with a recent diagnosis of emphysema should be assessed for which most common presenting factor? A. A productive cough B. Cyanosis C. Dyspnea D. Cor pulmonale

answer

Dyspnea

question

A 20-year-old male presents to his primary care provider reporting difficulty breathing when lying down. What term should the nurse use to document this condition? A. Tachypnea B. Orthopnea C. Apnea D. Dyspnea

answer

Orthopnea

question

A 20-year-old male is in acute pain. An arterial blood gas reveals decreased carbon dioxide (CO2 ) levels. Which of the following does the nurse suspect is the most likely cause? A. Hyperventilation B. Apnea C. Cyanosis D. Hypoventilation

answer

Hyperventilation

question

When the nurse is asked what causes asthma, how should the nurse respond? Asthma is thought to be caused by: A. An autosomal recessive trait B. Excessive use of antibiotics as a young child C. Interactions between genetic and environmental factors D. Autoimmunity

answer

Interactions between genetic and environmental factors

question

A 57-year-old male presents with cough, sputum production, dyspnea, and decreased lung volume. He is diagnosed with pneumoconiosis. When taking the patient's history, which finding is the most probable cause of his illness? A. Inhalation of silica, asbestos, mica B. Allergic reactions C. Flail chest D. Autoimmune disease

answer

Inhalation of silica, asbestos, mica

question

A pulmonologist is discussing the base of the lungs with staff. Which information should be included? At the base of the lungs: A. Alveolar gas pressure exceeds arterial perfusion pressure. B. Arterial perfusion pressure and alveolar gas pressure are less than at the apex. C. Arterial perfusion pressure exceeds alveolar gas pressure. D. Arterial perfusion and alveolar gas pressure are equal.

answer

Arterial perfusion pressure exceeds alveolar gas pressure.

question

A 42-year-old female presents with dyspnea; rapid, shallow breathing; inspiratory crackles; decreased lung compliance; and hypoxemia. Tests reveal a fulminant form of respiratory failure characterized by acute lung inflammation and diffuse alveolocapillary injury. Which of the following is the most likely diagnosis the nurse will observe on the chart? A. Sarcoidosis B. Acute respiratory distress syndrome (ARDS) C. Malignant respiratory failure D. Postoperative respiratory failure

answer

Acute respiratory distress syndrome (ARDS)

question

A 50-year-old male with a 30-year history of smoking was diagnosed with lung cancer. He was previously exposed to air pollution, asbestos, and radiation at his job. Which of the following should the nurse realize had the greatest impact on the development of his cancer? A. Cigarette smoke B. Asbestos C. Air pollution D. Radiation

answer

Cigarette smoke

question

A nurse is reviewing the results of an ABG and finds reduced oxygenation of arterial blood. What term should the nurse use to describe this condition? A. Hypocapnia B. Hypoxemia C. Hypoxia D. Ischemia

answer

Hypoxemia

question

A nurse is preparing to teach the staff about asthma. Which information should the nurse include? Airway hyper-responsiveness in asthma is related to: A. The release of stress hormones B. Exposure to an allergen causing mast cell degranulation C. Hereditary decrease in IgE responsiveness D. Increased sympathetic nervous system response

answer

Exposure to an allergen causing mast cell degranulation

question

A 22-year-old female presents with chronic bronchitis. Tests reveal closure of the airway during expiration. While planning care, a nurse recalls this condition is most likely caused by: A. Thick mucus from hypertrophied glands B. Hyperventilation C. Ventilation-perfusion mismatch D. Thinning smooth muscle in the bronchioles

answer

Thick mucus from hypertrophied glands

question

A 70-year-old female is in the hospital for pelvic fracture. She develops pulmonary thromboembolism. The nurse realizes this embolus is composed of: A. Tissue fragment B. Fat C. Blood clot D. Air

answer

Blood clot

question

A patient asks what causes pneumonia. How should the nurse reply? Pneumonia is caused by: A. Atelectasis B. Chronic lung changes seen with aging C. Viral or bacterial infections D. Use of anesthetic agents in surgery

answer

Viral or bacterial infection

question

A 45-year-old male undergoes lung transplantation. He now suffers from airway occlusion secondary to fibrosis. Which diagnosis will the nurse see on the chart? A. Compression atelectasis B. Bronchiectasis C. Bronchiolitis D. Bronchiolitis obliterans

answer

Bronchiolitis obliterans

question

A 60-year-old male with a 40-year history of smoking presents with chest pain, cough, sputum production, and pneumonia. Tests reveal widespread metastatic cancer, and the primary care provider plans radiation therapy. Which of following is the most likely type of cancer to be documented on the chart? A. Small cell carcinoma B. Adenoma C. Basal cell carcinoma D. Non-small cell carcinoma

answer

Non-small cell carcinoma

question

An 80-year-old female develops pneumonia in the hospital. She becomes cyanotic, tachycardic, and develops a fever and cough. Chest x-ray reveals pus in the pleural space. Which of the following is the most likely diagnosis documented on the chart? A. Chyle B. Empyema C. Emphysema D. Pleurisy

answer

Empyema

question

A 10-year-old male is brought to the ER with prolonged bronchospasm and severe hypoxemia. The most likely diagnosis on the chart is: A. Chronic obstructive pulmonary disease (COPD) B. Exercise-induced asthma C. Status asthmaticus D. Bronchiectasis

answer

Status asthmaticus

question

A 53-year-old male with a 20-year history of smoking is diagnosed with emphysema. When a staff member asks why the patient's airways are obstructed, how should the nurse respond? The airways are obstructed because of: A. Loss of elastic recoil B. Airway edema C. Infection and inflammation D. Excessive mucus production

answer

Loss of elastic recoil

question

When a patient has a massive pulmonary embolism (PE), what complications will the nurse monitor for? A. Shock and death B. Disseminated intravascular coagulation (DIC) C. Chronic obstructive pulmonary disease (COPD) D. Damage to the lung microcapillaries

answer

Shock and death

question

A 50-year-old diabetic male did not take his medication and is now in metabolic acidosis. He is experiencing Kussmaul respirations. What type of breathing will the nurse observe upon assessment? A. Rapid respirations with periods of apnea B. A slightly increased ventilatory rate, large tidal volumes, and no expiratory pause C. Audible wheezing or stridor D. Very slow inhalations and rapid expirations

answer

A slightly increased ventilatory rate, large tidal volumes, and no expiratory pause

question

Which of the following shows a correct cause and effect sequence in the development of acute respiratory distress syndrome (ARDS)? A. Hyaline membrane formation and fibrosis causing pulmonary edema B. Impaired alveolar compliance causing decreased surfactant production C. Alveolocapillary membrane injury causing a massive inflammatory response D. Increased alveolocapillary membrane permeability causing metabolic alkalosis

answer

Alveolocapillary membrane injury causing a massive inflammatory response

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