RESPIRATORY EMERGENCIES 15
EXAM 2025 QUESTIONS AND ANSWERS
1. The two processes that occur during respiration are:
A. ventilation and diffusion.
B. inspiration and expiration.
C. diffusion and oxygenation.
D. oxygenation and ventilation. - ANS B
2. In what area of the lungs does respiration occur?
A. Alveoli
B. Trachea
C. Bronchi
D. Capillaries - ANS A
3. In order for efficient pulmonary gas exchange to occur:
A. the percentage of inhaled carbon dioxide must exceed the percentage of inhaled oxygen.
B. there must be low quantities of pulmonary surfactant to allow for full alveolar expansion.
C. the pulmonary capillaries must be completely constricted and the alveoli must be collapsed.
D. oxygen and carbon dioxide must be able to freely diffuse across the alveolar-capillary
membrane. - ANS D
4. When the level of arterial carbon dioxide increases:
A. the brain stem inhibits respirations.
B. respirations increase in rate and depth.
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, C. exhalation lasts longer than inhalation.
D. respirations decrease in rate and depth. - ANS B
5. Which of the following is MOST characteristic of adequate breathing?
A. 22 breaths/min with an irregular pattern of breathing and cyanosis
B. 20 breaths/min with shallow movement of the chest wall and pallor
C. 24 breaths/min with bilaterally equal breath sounds and pink skin
D. 30 breaths/min with supraclavicular retractions and clammy skin - ANS C
6. In a healthy individual, the brain stem stimulates breathing on the basis of:
A. increased oxygen levels.
B. decreased oxygen levels.
C. increased carbon dioxide levels.
D. decreased carbon dioxide levels. - ANS C
7. Which of the following is LEAST characteristic of inadequate breathing?
A. Pink, warm, dry skin
B. Shallow respirations
C. Cyanotic or pale skin
D. Unequal chest expansion - ANS A
8. Which of the following statements regarding the hypoxic drive is MOST correct?
A. The hypoxic drive stimulates a person to breathe on the basis of low oxygen levels.
B. Chronic carbon dioxide elimination often results in activation of the hypoxic drive.
C. The hypoxic drive serves as the primary stimulus for breathing in healthy individuals.
D. 100% supplemental oxygen will always cause apnea in patients with a hypoxic drive. -
ANS A
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EXAM 2025 QUESTIONS AND ANSWERS
1. The two processes that occur during respiration are:
A. ventilation and diffusion.
B. inspiration and expiration.
C. diffusion and oxygenation.
D. oxygenation and ventilation. - ANS B
2. In what area of the lungs does respiration occur?
A. Alveoli
B. Trachea
C. Bronchi
D. Capillaries - ANS A
3. In order for efficient pulmonary gas exchange to occur:
A. the percentage of inhaled carbon dioxide must exceed the percentage of inhaled oxygen.
B. there must be low quantities of pulmonary surfactant to allow for full alveolar expansion.
C. the pulmonary capillaries must be completely constricted and the alveoli must be collapsed.
D. oxygen and carbon dioxide must be able to freely diffuse across the alveolar-capillary
membrane. - ANS D
4. When the level of arterial carbon dioxide increases:
A. the brain stem inhibits respirations.
B. respirations increase in rate and depth.
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, C. exhalation lasts longer than inhalation.
D. respirations decrease in rate and depth. - ANS B
5. Which of the following is MOST characteristic of adequate breathing?
A. 22 breaths/min with an irregular pattern of breathing and cyanosis
B. 20 breaths/min with shallow movement of the chest wall and pallor
C. 24 breaths/min with bilaterally equal breath sounds and pink skin
D. 30 breaths/min with supraclavicular retractions and clammy skin - ANS C
6. In a healthy individual, the brain stem stimulates breathing on the basis of:
A. increased oxygen levels.
B. decreased oxygen levels.
C. increased carbon dioxide levels.
D. decreased carbon dioxide levels. - ANS C
7. Which of the following is LEAST characteristic of inadequate breathing?
A. Pink, warm, dry skin
B. Shallow respirations
C. Cyanotic or pale skin
D. Unequal chest expansion - ANS A
8. Which of the following statements regarding the hypoxic drive is MOST correct?
A. The hypoxic drive stimulates a person to breathe on the basis of low oxygen levels.
B. Chronic carbon dioxide elimination often results in activation of the hypoxic drive.
C. The hypoxic drive serves as the primary stimulus for breathing in healthy individuals.
D. 100% supplemental oxygen will always cause apnea in patients with a hypoxic drive. -
ANS A
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