Post Utme Noun 2022 Biology Question 22

Practice objective / multiple choice question 22 from the 2022 Post Utme Noun Biology examination.

Post Utme Noun 2022 Biology Objective / Multiple Choice
Question 22 POST_UTME_NOUN • 2022 • BIOLOGY • objective

The process of gas exchange in the human respiratory system involves the diffusion of oxygen and carbon dioxide across the alveolar-capillary membrane. Which of the following best describes the direction of diffusion for oxygen and carbon dioxide?

Answer Options

Correct Answer A. Oxygen diffuses from the alveoli into the blood, while carbon dioxide diffuses from the blood into the alveoli.
B. Oxygen diffuses from the blood into the alveoli, while carbon dioxide diffuses from the alveoli into the blood.
C. Oxygen diffuses from the alveoli into the blood, while carbon dioxide diffuses from the blood into the tissues.
D. Oxygen diffuses from the blood into the tissues, while carbon dioxide diffuses from the tissues into the alveoli.
Correct Answer
A
Correct Option:
Oxygen diffuses from the alveoli into the blood, while carbon dioxide diffuses from the blood into the alveoli.

About This Question

This is Post Utme Noun 2022 Biology Question 22. It is one of the objective questions from the 2022 Post Utme Noun Biology examination.

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