The nurse is caring for a client prescribed a calcium channel blocker to treat primary hypertension. When providing education about medication administration, which of these foods will the nurse advise the client to avoid?
The nurse is caring for a client prescribed a calcium channel blocker to treat primary hypertension. When providing education about medication administration, which of these foods will the nurse advise the client to avoid?
A. Eggs
[2%]
B. Milk
[7%]
C. Grapefruit
[85%]
D. Bananas
[6%]
Statistics
Subject/Lesson
Subject
Pharmacology
Lesson
Cardiovascular
Client Need
Test Plan
Pharmacological and Parenteral Therapies
Related Topic
Adverse Effects/Contraindications/Side Effects/Interactions
Item Type
Item Type
Knowledge/Comprehension
Explanation
Choice C is correct. Grapefruit can interfere with other drugs, as well, including statins (atorvastatin, lovastatin, simvastatin), some antibiotics, and some cancer drugs. Grapefruit and its juice contain furanocoumarins, which block the enzymes that are involved in metabolizing many drugs, including calcium channel blockers. Medication blood levels can increase, resulting in toxicity. The levels of calcium channel blockers are increased when grapefruit or grapefruit juice is consumed, potentially causing hypotension. Therefore, the nurse should advise the client to avoid grapefruit while taking a calcium channel blocker.
Choice A is incorrect. Eggs do not have a significant interaction with calcium channel blockers. There is no need for the nurse to advise the client to avoid eggs.
Choice B is incorrect. Milk does not have a significant interaction with calcium channel blockers. There is no need for the nurse to advise the client to avoid milk.
Choice D is incorrect. Bananas do not have a significant interaction with calcium channel blockers. There is no need for the nurse to advise the client to avoid bananas.
Related Videos
6 Key Topics
Toxicity
6.2 Medication Safety & Interactions
Antihypertensive Medications
6.4 Cardiovascular System Drugs
Antiarrhythmic Medications
6.4 Cardiovascular System Drugs
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