Answers Kim - Essentials of Healthcare B - ACTIVE Cumulative Exam — Cumulative examQuestion 16

16

QuizMultiple Choice

Cumulative Exam — Cumulative exam

Question 16 • Kim - Essentials of Healthcare B - ACTIVE

Which name best describes the process of gas exchange?

Answer

A

Oxygen diffuses into the blood at the site of the heart, and carbon dioxide diffuses into the blood at the site of the alveoli.

B

Carbon dioxide diffuses into the blood at the site of the heart, and oxygen diffuses into the blood at the site of the tissues.

C

Oxygen diffuses into the blood at the site of the alveoli, and carbon dioxide diffuses into the blood at the site of the tissue.

D

Carbon dioxide diffuses into the blood at the site of the alveoli, ad oxygen diffuses into the blood at the site of the tissue.

Explanation

At the alveoli in the lungs, oxygen diffuses from the air into the blood. In body tissues, oxygen leaves the blood for cells, while carbon dioxide produced by the cells diffuses into the blood. Therefore, choice C correctly describes where oxygen and carbon dioxide enter the blood.

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