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Question
What accounts for the change in PO2 between the atmosphere and alveoli?I. Water vapor pressure in alveolar gas
II. PCO2 is higher in alveolus than in the atmospheric gas
III. Higher percentage of N2 in alveolar gas
IV. PB is lower in the alveoli than in the atmosphere
a. I and II only
b. I, II, III, and IV
c. I and IVonly
d. I, II and IV only
Answer
This answer is hidden. It contains 441 characters.
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