ATI RN
ATI N211 Pharmacology Exam I Questions
Extract:
Question 1 of 5
A nurse in a provider's clinic is caring for a client who reports erectile dysfunction and requests a prescription for sildenafil. Which of the following medications currently prescribed for the client is a contraindication to taking sildenafil?
Correct Answer: D
Rationale: The correct answer is D: Isosorbide. Isosorbide is a nitrate medication used to treat angina by dilating blood vessels, which can lead to a severe drop in blood pressure when combined with sildenafil, a medication for erectile dysfunction that also causes vasodilation. This combination can result in a dangerous decrease in blood pressure, potentially leading to fainting or even a heart attack. Phenytoin, prednisone, and metronidazole do not have significant interactions with sildenafil.
Question 2 of 5
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Question 3 of 5
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Question 4 of 5
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Question 5 of 5
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