Based on the relationship among the A, CO2, and the PACO2, what would be the resultant PACO2 if the CO2 doubled, and the A remained constant?
A. The PACO2 would double.
B. The PACO2 would be halved.
C. The PACO2 increased by 25%.
D. The PACO2 would be unpredictable.
?ANS: A
A. Correct response: The PACO2 is linearly related to the CO2, and inversely related to the A. Therefore, doubling the CO2 doubles the PACO2. Similarly, doubling the A halves the PACO2.
B. Incorrect response: See explanation A.
C Incorrect response: See explanation A.
D. Incorrect response: See explanation A.
Health Professions
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