Question Detail

ZOO 101 Gas Exchange and Respiration in Mammals Objective Question
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Question

What is the partial pressure of oxygen (pO₂) in the alveolus?
Options
A 40 mm Hg
B 45 mm Hg
C 100 mm Hg
Correct Answer
D 0 mm Hg
Correct Answer

Option C is the correct answer.

Detailed Explanation

The pO₂ in the alveolus is high, approximately 100 mm Hg, which drives oxygen diffusion into the capillary blood.

Hint

This value is higher than in the deoxygenated blood arriving at the alveolus.

Question Info

Course: ZOO 101
Topic: Gas Exchange and Respiration in Mammals
Type: Objective
Difficulty: Not specified
Question 768 of 2214
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