Your patient is hypoventilating. Which of the following would be likely findings?

a. A normal P(A–a)O2 with a marked re-sponse to an increase in FiO2
b. An increases P(A–a)O2 with a marked re-sponse to an increase in FiO2
c. A normal P(A–a)O2 with no response to an increase in FiO2
d. A increased P(A–a)O2 with no response to an increase in FiO2

ANS: A

Health Professions

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