Exam (elaborations)
Exam (elaborations) NR 340 (NR340)
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Exam (elaborations) NR 340 (NR340)
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NR 340 Week 1 Medication Calculation ExamDirections: The purpose of this packet is to prepare you for the medication calculation exam that
is taken on the first day of class. Complete the medication calculation practice exam prior to the
first day of class if needed. In critical care, amounts are specific. If the calculation is not a
whole number, then answers are rounded off to the nearest 10th decimal place. Pumps can be
programmed to allow for a 10th decimal place. If the calculation is for drops per minute then it is
rounded off to the nearest whole number because drops cannot be divided. Good Luck!
1. Your patient is ordered a dopamine drip at 7mcg/kg/min. He weighs 120 pounds. Your
dopamine is supplied in a concentration of 400mg per 250ml D5W.
At how many ml/hr should the IV pump be set?
7mcg 250 mL 1mg 1 kg 120 lbs 60 min =
Kg/min 400 mg 1000 mcg 2.2 lbs 1 1 hr
12600000 =
880000
14.318181 (Round to the nearest 10th decimal place) =
14.3ml/hr
2. Your patient is on Nitroprusside (Nipride) to keep his systolic blood pressure less than
180mmHg. The physician orders state to begin the infusion at 0.1mcg/kg/min and to
, titrate up every 3 to 5 minutes to desired effect. Maximum dose to be given is
5mcg/kg/min. Your patient weighs 150 pounds. The medication comes supplied as
50mg in 250ml D5W.
At how many ml/hr should the IV be started?
0.1 mcg 250 ml 1 mg 1 kg 150 lbs 60 min =
Kg/min 50 mg 1000 mcg 2.2 lbs 1 1 hr
225000 =
110000
2.0454545 (Round to the nearest 10th decimal place) = 2.0 mL/hr
because trailing zeroes are not used the answer is 2 ml/hr
What is the maximum ml/hr that the nipride can be run at?
5 mcg 250 mL 1 mg 1 kg 150 lbs 60 min =
Kg/min 50 mg 1000 mcg 2.2 lbs 1 1 hr
11250000 =
110000
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