The nurse understands that which of the following drug classifications may decrease the effect of heparin?
a. antihistamines
b. cephalosporins
c. nonsteroidal anti-inflammatory agents (NSAIDs)
d. nitroglycerin
ANS: A, D
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Correct a. and d. are correct. Antihistamines and nitroglycerine may decrease the effects of heparin.
Incorrect b. and c. are not correct. Cephalosporins and NSAIDs increase the effects of heparin.
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