The nurse is caring for a client who is taking simvastatin (Zocor). What should the nurse instruct this client to avoid while taking this medication?
Orange juice
Coenzyme Q10 (CoQ10) supplements
Grapefruit juice
All fruit juices
The Correct Answer is C
A. Orange juice does not interact with simvastatin and does not need to be avoided.
B. Coenzyme Q10 (CoQ10) supplements are sometimes taken by patients on statins to help alleviate the side effects like muscle pain, but they do not need to be avoided.
C. Grapefruit juice should be avoided while taking simvastatin because it contains compounds that interfere with the enzymes that metabolize statins, potentially leading to increased drug levels and greater risk of side effects such as muscle damage.
D. Not all fruit juices interact with simvastatin; the specific concern is with grapefruit juice.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Explanation:
A. Restricting fluid intake is not the appropriate action for a high lithium level.
B. Administering a loop diuretic is not appropriate for treating lithium toxicity.
C. Administering an additional dose of lithium would worsen the toxicity and is contraindicated.
D. Hemodialysis is the treatment of choice for severe lithium toxicity to rapidly remove excess lithium from the bloodstream.
Correct Answer is D
Explanation
A. Organic nitrates, such as nitroglycerin, dilate (widen) veins and coronary arteries, leading to decreased preload and afterload, which helps relieve angina pain.
B. Constricting veins and coronary arteries would exacerbate angina symptoms by reducing blood flow to the heart muscle.
C. Dissolving veins and coronary arteries is not a mechanism of action for organic nitrates in the treatment of angina.
D. Dilating veins and coronary arteries is the primary mechanism of action for organic nitrates, resulting in increased blood flow to the heart muscle and relief of angina pain.
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