Gce Model Questions Vol1 2024 Biology Question 4
Practice objective / multiple choice question 4 from the 2024 Gce Model Questions Vol1 Biology examination.
At sea level the atmospheric pressure is 760 mmHg, and the fraction of inspired oxygen is 0.21. In the alveoli, the partial pressure of water vapour is 47 mmHg and the alveolar \(P_{CO_2}\) is 40 mmHg. Using the alveolar gas equation \(P_{A\text{O}_2}=F_{iO_2}(P_{B}-P_{H_2O})-P_{aCO_2}/R\) with a respiratory quotient \(R = 0.8\), calculate the alveolar partial pressure of oxygen \(P_{A\text{O}_2}\) (in mmHg). Round your answer to the nearest whole number.
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This is Gce Model Questions Vol1 2024 Biology Question 4. It is one of the objective questions from the 2024 Gce Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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