Section ii short answer briefly answer each of the

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Human Physiology: From Cells to Systems
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Chapter 16 / Exercise 8
Human Physiology: From Cells to Systems
Sherwood
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Section II: Short Answer. Briefly answer each of the following questions in the space provided. (28 points total) What types of cells produce surfactant? (1 point)
If a patient were born with a genetic disease that resulted in his inability to produce surfactant, what TYPE of respiratory disorder would he have? (1 point)
A pulmonary function test using a spirometer would be used to assess the type of respiratory disorder the patient described in the questions above had. Which volumes and/or capacities would be expected to vary from normal in this patient, and how specifically would they be different? (4 points)
What is the function of surfactant, and how specifically does it perform this function? (2 point)
How does pulmonary edema (fluid accumulation in the alveoli and in the spaces between the alveolar walls and the capillaries) decrease the P O2 in arterial blood? (2 points)
List three different factors that affect gas exchange at the alveolar space. (3 points)
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Human Physiology: From Cells to Systems
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Chapter 16 / Exercise 8
Human Physiology: From Cells to Systems
Sherwood
Expert Verified
Which air passage(s) of the respiratory system are most variable in diameter? (1 point)
Which branch of the nervous system has the greatest influence on the diameter of the air passages you named in the question above? (1 point)
What other signals can alter the diameter of the airways you named above, and how (i.e., larger or smaller) would the diameter change? (3 points)
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