Help with Gas Exchange

Practice Questions

Human Anatomy and Physiology › Help with Gas Exchange

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1

If an individual has a blood pH of 6.8, then they should __________.

2

A higher than normal concentration of __________ indicates cyanosis (a bluish color of the skin and mucous membranes).

3

A man who has a residual lung volume of 2.5 liters has a value that is __________.

4

In which of the following places is the partial pressure of carbon dioxide the highest?

5

For a person who is at rest, an oxyhemoglobin saturation of mixed systemic venous blood of 25% is __________.

6

Which of the following factors determines the oxygen saturation of hemoglobin?

7

IRV (inspiratory reserve volume), TV (tidal volume), ERV (expiratory reserve volume), RV (residual volume)

The total lung capacity (TLC) is equal to which of the following?

8

The lungs produces surfactant, which covers each alveolus; what is the function of surfactant?

9

Which of the following is the actual sites of gas exchange?

10

As the carbon dioxide partial pressure increases, what will happen to hemoglobin's affinity for oxygen?

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