Differentiate between minute ventilation and alveolar ventilation.
Minute ventilation is the volume of air that reaches the alveoli each minute. Alveolar ventilation is the volume of air that moved into the respiratory passages each minute.
Minute ventilation is the number of breaths taken each minute. Alveolar ventilation is the amount of air in the alveoli each minute.
Minute ventilation is the volume of air moved into the upper respiratory tract each minute. Alveolar ventilation is the volume of air moved into the lower respiratory tract each minute.
Minute ventilation is the volume of air moved into the respiratory passages each minute. Alveolar ventilation is the volume of air that reaches
The Correct Answer is D
A. Minute ventilation is the volume of air that reaches the alveoli each minute. Alveolar ventilation is the volume of air that moved into the respiratory passages each minute. Reversed definitions.
B. Minute ventilation is the number of breaths taken each minute. Alveolar ventilation is the amount of air in the alveoli each minute. Minute ventilation is volume, not rate.
C. Minute ventilation is the volume of air moved into the upper respiratory tract each minute. Alveolar ventilation is the volume of air moved into the lower respiratory tract each minute. Both definitions are wrong.
D. Minute ventilation is the volume of air moved into the respiratory passages each minute. Alveolar ventilation is the volume of air that reaches the alveoli each minute. Minute ventilation = tidal volume × respiratory rate; alveolar ventilation accounts for dead space.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Contraction of smooth muscles in airways -Smooth muscle constriction occurs in forced breathing or pathology, not quiet expiration.
B. Surface tension and the elastic recoil of lung tissues -Quiet expiration is passive, driven by elastic recoil and alveolar surface tension.
C. Contraction of the diaphragm -The diaphragm relaxes during expiration.
D. Contraction of the external intercostal muscles -These contract during inspiration, not expiration.
Correct Answer is {"dropdown-group-1":"B"}
Explanation
Correct answer: left atrial appendage
The black leader line points to the left auricle, the ear-shaped muscular appendage of the left atrium that increases atrial volume.
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