Which statement about food and medication interactions is most accurate?
All medications are best absorbed on an empty stomach.
Client discomfort is the food and medication interaction of highest concern.
Foods can alter medication absorption and metabolism but not the action of the medication.
Some foods can inhibit cytochrome P450 (CYP) isoenzymes and alter medication metabolism.
The Correct Answer is D
Certain foods can interact with medications by inhibiting or inducing cytochrome P450 (CYP) enzymes, which play a crucial role in drug metabolism ¹. This can alter the way the body processes medications and affect their efficacy and safety ¹.
Option A is not correct because not all medications are best absorbed on an empty stomach. Some medications should be taken with food to improve absorption or reduce side effects ¹.
Option B is not correct because client discomfort is not the only concern when it comes to food and medication interactions.
Option C is not correct because foods can also alter the action of medications ¹.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The therapeutic range for valproic acid is 50-100 mcg/mL ¹. In this case, the client has a serum range for valproic acid of 130 mcg/mL, which is above the therapeutic range but below the toxic level of >100 mcg/mL ¹. The nurse would anticipate that the provider will increase the daily dose of valproic acid to bring the serum range within the therapeutic range.
Option A is incorrect because the serum range is above the therapeutic range and changes may be needed.
Option C is incorrect because changing the medication may not be necessary if adjusting the dose can bring the serum range within the therapeutic range.
Option D is incorrect because decreasing the dose would lower the serum range further below the therapeutic range.
Correct Answer is A
Explanation
In pharmacodynamics, receptors play a crucial role in mediating the effects of medications ¹. Medications must bind with receptors to mimic or block the actions of the body's own regulatory molecules ¹. This binding can activate or inhibit the receptor, leading to a biological response ¹.
Option B is incorrect because activation of the receptor by the medication does not necessarily cause the cell to develop a new function.
Option C is incorrect because receptors do not start the process of metabolism of the medication by the liver.
Option D is incorrect because binding a medication to a receptor does not necessarily make the medication more selective to that type of receptor.
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