Waec Model Questions Vol1 2020 Biology Question 10

Practice objective / multiple choice question 10 from the 2020 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2020 Biology Objective / Multiple Choice Medium Difficulty
Question 10 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • BIOLOGY • objective

At rest a person has an alveolar ventilation of 4 L min⁻¹ and an arterial PCO₂ of 40 mmHg. During moderate exercise the alveolar ventilation rises to 12 L min⁻¹ while the metabolic production of CO₂ doubles. Using the alveolar ventilation equation (PaCO₂ ∝ VCO₂ / VA), estimate the new arterial PCO₂ (in mmHg) during exercise.

Answer Options

A. 33
B. 24
C. 30
Correct Answer D. 27
Correct Answer
D
Correct Option:
27

About This Question

This is Waec Model Questions Vol1 2020 Biology Question 10. It is a objective / multiple choice question from the 2020 Waec Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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