Multiple Choice
Even in healthy young subjects, regional differences in pulmonary ventilation and blood flow result in the PaO2 being lower than the PAO2. Why is this so?
A) Most blood flows through the apexes of the lung.
B) Most blood flows through areas with high.
C) Most blood flows through the bases of the lung.
D) Most ventilation goes to the apexes of the lung.
Correct Answer:
Verified
Correct Answer:
Verified
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