ATI RN
ATI Pharmocology Exam Fletcher NRSG 106 Questions
Extract:
Question 1 of 5
The barbiturate phenobarbital is prescribed for a patient with epilepsy. While assessing the patient's current medications, the nurse recognizes that interactions may occur with which drugs? (Select all that apply.)
Correct Answer: A,C,D,E
Rationale: The correct answer choices for potential interactions with phenobarbital are A, C, D, and E. Phenobarbital induces hepatic microsomal enzymes, leading to decreased efficacy of oral contraceptives (
A). It can potentiate the effects of warfarin (
C) by altering its metabolism. Phenobarbital can increase the metabolism of opioids (
D), potentially reducing their analgesic effects. Additionally, phenobarbital can alter the electrolyte balance, necessitating dose adjustments for diuretics (E). These interactions can lead to suboptimal therapeutic outcomes or adverse effects.
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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