The nurse understands that which of the following agents is contraindicated in persons with obstructive pulmonary disorders?
a. nifedipine c. nitroglycerin
b. diltiazem d. metoprolol
ANS: D
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A Incorrect: Nifedipine is a calcium channel blocker and not contraindicated.
B Incorrect: Diltiazem is a calcium channel blocker and not contraindicated.
C Incorrect: Nitroglycerin is a nitrate and not contraindicated.
D Correct: Beta-adrenergic blocking agents are contraindicated.
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