Practice Exchange Of Gases (14.3) - BREATHING AND EXCHANGE OF GASES

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6 sample questions

Question 1.
What are alveoli?
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Think about the main function of the respiratory system.
Question 2.
What gas do we primarily breathe in?
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Consider what our body needs for energy.
3Question 3.
What is the primary gas exchanged in the alveoli?
- Carbon dioxide
- Oxygen
- Nitrogen
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Think about what our body uses for cellular respiration.
4Question 4.
True or False: Carbon dioxide is transported primarily as bicarbonate in the blood.
- True
- False
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Recall the role of the enzyme carbonic anhydrase.
Question 5.
Consider a patient with emphysema. How would the disease affect gas exchange and what compensatory mechanisms might the body employ?
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Think about how surface area relates to gas exchange efficiency.
Question 6.
Explain how exercise would alter the dynamics of oxygen and carbon dioxide transport in the body. What physiological changes occur during intense activity?
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Consider what your body does during physical exertion.

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