Multiple Choice
Xanthine-based medications are effective in treating asthma because __________.
A) they reduce blood pressure in blood vessels of the chest
B) they increase absorption of oxygen by air sacs in the lungs
C) they dilate bronchial passageways
D) they increase the power of the diaphragm so that the patient can breathe more deeply
Correct Answer:
Verified
Correct Answer:
Verified
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