A patient asks the nurse what effect hemodialysis will have on the medications he is currently taking. The nurse's best response is:
A) "Dialysis treatments remove all medications from the blood."
B) "Medications are not removed during dialysis treatments."
C) "Once-daily medications are best taken before dialysis treatments."
D) "Dangerously low blood pressure may occur if antihypertensives are taken before dialysis."
Ans: D
Feedback: Because some medications are removed from the blood during dialysis, the physician may need to adjust the dosage. Metabolites of drugs that are bound to protein are not removed during dialysis. Removal of other drug metabolites depends on the weight and size of the molecule. The patient must be instructed on the proper medications to take and hold prior to a hemodialysis treatment. For example, if an antihypertensive is taken prior to hemodialysis, a hypotensive effect may occur during the dialysis treatment, causing dangerously low blood pressure.
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