A nurse is reinforcing teaching with a patient who has hypertension and a new prescription for verapamil.
The nurse should instruct the patient to avoid taking this medication with which of the following foods?
Grapefruit.
Spinach.
Broccoli.
Carrots.
The Correct Answer is A
The nurse should instruct the patient to avoid taking verapamil with grapefruit.
Studies have demonstrated an interaction between verapamil and grapefruit juice, which is likely due to an inhibition of intestinal metabolism resulting in increased oral bioavailability1.
This means that grapefruit can interfere with the enzymes that break down verapamil in your digestive system, potentially leading to dangerous health problems2.
Choices B, C, and D are incorrect because there is no known interaction between verapamil and spinach, broccoli, or carrots.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
NPH insulin is an intermediate-acting insulin that usually starts to work about 1 to 3 hours after injection and peaks 4 to 12 hours later12.
Peak time is when insulin has its strongest effect on lowering blood glucose1.
Choice A: 30 minutes to 3 hours is not the answer because NPH insulin usually starts to work about 1 to 3 hours after injection and peaks 4 to 12 hours later12.
Choice B: 2 to 6 hours is not the answer because NPH insulin usually starts to work about 1 to 3 hours after injection and peaks 4 to 12 hours later12.
Choice C: 4 to 5 hours is not the answer because NPH insulin usually starts to work about 1 to 3 hours after injection and peaks 4 to 12 hours later12.
Correct Answer is B
Explanation
The nurse should administer 2 tablets of lorazepam 1 mg to give a total dose of 2 mg.
This is calculated by dividing the desired dose (2 mg) by the available dose (1 mg/tablet) to get the number of tablets needed: 2 mg / (1 mg/tablet) = 2 tablets.
Choice A, 1 tablet, is not the correct answer because it would only provide a total dose of 1 mg.
Choice C, 3 tablets, is not the correct answer because it would provide a total dose of 3 mg.
Choice D, 4 tablets, is not the correct answer because it would provide a total dose of 4 mg.
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