Which of the following conditions reduce the alveolar surface area?
I. Emphysema
II. Excessive airway secretions
III. Pneumothorax
IV. Sinusitis
A. I, II, and III only
B. I and III only
C. I only
D. I, II, III, and IV
Answer: A
Health Professions
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All of the following statements about insulin are true, EXCEPT:
A) it must be given subcutaneously. B) it is classified as either natural (regular) or modified. C) it is available as short, intermediate, or long acting. D) it can now be produced through recombinant DNA technology.
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The Valsalva maneuver makes use of the sensitivity of which of the following nerves?
A) Phrenic B) Cranial C) Paranasal D) Vagus
Health Professions