A transplant nurse is aware of the need to closely monitor a patient's serum levels of cyclosporine. In order to do this, the nurse should ensure that blood is drawn at what time?
A) 30 minutes before a scheduled dose
B) Simultaneous to the administration of a dose
C) 2 hours after a dose
D) At the halfway point between two scheduled doses
C
Feedback:
Cyclosporine has a very narrow therapeutic index; therefore, prescribers use serum drug levels to regulate cyclosporine dosing, and close monitoring is necessary. They use blood levels measured 2 hours after a dose for dosage adjustments.
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