NABP North American Pharmacist Licensure Examination NAPLEX Question # 37 Topic 4 Discussion
NAPLEX Exam Topic 4 Question 37 Discussion:
Question #: 37
Topic #: 4
A physician orders Dopamine 5 mcg/kg/min. The concentration of the Dopamine IV bag is 400 mg in 250 D5W. The patient’s weight is 168 lbs. Calculate the infusion rate in mL/hr.
Pt’s weight in Kg 76.4. 76.4 × [5 mcg/kg/min] = 381.18 mcg/min Concentration of the bag [400 mg/250 mL] = 1.6 mg/ml or 1600mcg 381.18 mcg × [1 mL/1600 mcg] = 0.2382 mL/ml 60 in × [0.0.2382 mL/min] = 14.29 mL in one hour
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