Waec Model Questions Vol1 2017 Biology Question 18

Practice objective / multiple choice question 18 from the 2017 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2017 Biology Objective / Multiple Choice Medium Difficulty
Question 18 WAEC_MODEL_QUESTIONS_VOL1 • 2017 • BIOLOGY • objective

At sea level the atmospheric pressure is 760 mmHg. The partial pressure of water vapour in the alveoli is 47 mmHg and the fraction of inspired oxygen (FiO₂) is 0.21. If the arterial PCO₂ is 40 mmHg and the respiratory quotient (R) is 0.8, calculate the alveolar partial pressure of oxygen (PAO₂) using the alveolar gas equation.

Answer Options

A. 120 mmHg
B. 90 mmHg
Correct Answer C. 100 mmHg
D. 110 mmHg
Correct Answer
C
Correct Option:
100 mmHg

About This Question

This is Waec Model Questions Vol1 2017 Biology Question 18. It is a objective / multiple choice question from the 2017 Waec Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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