At rest, a person breathes with tidal volume at breaths per minute. The anatomical dead space is . What is the alveolar ventilation rate?
Answer and explanation
Correct answer: A.
- Step 1: Air reaching the alveoli per breath .
- Step 2: Alveolar ventilation rate .
Answer
.
Why not the others: : is the minute ventilation, which ignores the dead space. : is the volume lost to dead space each minute. : is the alveolar volume per breath, not per minute.
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