A vasoconstricting chemical that should be avoided by persons using vasodilators is:
a. alcohol. c. nicotinic acid.
b. nicotine. d. atenolol.
ANS: B
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A Incorrect: This causes vasodilation.
B Correct: This causes vasoconstriction.
C Incorrect: This causes vasodilation.
D Incorrect: This causes vasodilation.
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