Gce Model Questions Vol1 2020 Biology Question 6
Practice objective / multiple choice question 6 from the 2020 Gce Model Questions Vol1 Biology examination.
During a resting adult's breathing, the tidal volume is 500 mL, respiratory rate 15 breaths min⁻¹ and anatomical dead space 150 mL. The inspired oxygen fraction is 0.21, atmospheric pressure 760 mmHg and water vapour pressure 47 mmHg. Metabolic carbon dioxide production is 200 mL min⁻¹ (STPD) and the respiratory quotient is 0.8. Using the alveolar gas equation, calculate the alveolar partial pressure of oxygen (\(PAO_2\)) in mmHg. (Take the constant K = 0.863.)
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This is Gce Model Questions Vol1 2020 Biology Question 6. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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