A client is prescribed IV phenytoin 300 mg. The nurse will administer this IV bolus over:
a. 3 minutes. c. 15 minutes.
b. 6 minutes. d. 30 minutes.
ANS: B
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A Incorrect: IV bolus phenytoin must not exceed 50 mg/minute.
B Correct: 300 mg divided by 50 mg/min = 6 minutes.
C Incorrect: This is not a feasible time for an IV bolus.
D Incorrect: If infusing a drug over this period of time, a volumetric infusion pump should be used.
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