Waec Model Questions Vol1 2023 Biology Question 35
Practice objective / multiple choice question 35 from the 2023 Waec Model Questions Vol1 Biology examination.
At sea level the barometric pressure is 760 mmHg. A person inhales air with an oxygen fraction of 0.21. The water vapour pressure in the alveoli is 47 mmHg, the arterial PCO₂ is 40 mmHg and the respiratory quotient (R) is 0.8. Assuming an alveolar‑arterial oxygen gradient of 5 mmHg, calculate the arterial PO₂ in mmHg. Round your answer to the nearest whole number.
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About This Question
This is Waec Model Questions Vol1 2023 Biology Question 35. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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