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1. Gas moves from an area of ________ partial pressure to an area of ________ partial pressure.
 
 
 
 

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2. When ventilation is not sufficient, which of the following occurs?
 
 
 
 

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3. Gas exchange that occurs at the level of the tissues is called ________.
 
 
 
 

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4. The partial pressure of carbon dioxide is 45 mm Hg in the blood and 40 mm Hg in the alveoli. What happens to the carbon dioxide?
 
 
 
 

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5. Critical Thinking: Compare and contrast Dalton’s law and Henry’s law.

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6. Critical Thinking: A smoker develops damage to several alveoli that then can no longer function. How does this affect gas exchange?

Question 6 of 6