CALCULATIONS
PRACTICE EXAM
The healthcare provider prescribes an IV solution of 5% dextrose in
water with magnesium sulfate 4 gram/50 ml to be infused over 30
minutes for a client with preeclampsia. The nurse should program the
infusion pump to deliver how many ml/hour? (Enter numeric value only.
If rounding is required, round to the nearest whole number.) -
ANSWERS-100
To calculate the rate of infusion for ml/hour: 50 ml: 30 minutes :: X ml :
60 minutes 50 ml / X ml :: 30 min / 60 min 3000 = 30X X = 100 ml/hour
A client who has a gastrostomy feeding tube is receiving 3/4 strength
Ensure 240 ml every 6 hours. Full strength Ensure is available in a 240
ml can. The nurse should use how many ml of Ensure to prepare the
feeding? (Enter numeric value only. If needed, round to the nearest
whole number.) - ANSWERS-180
240 ml Ensure : 1 :: X ml Ensure : 0.75 240/X : .75 X = 240 x 0.75
= 180 ml Ensure + 60 ml water = 240 ml
0.9% normal saline with inamrinone (Inocor) 0.1 grams/100 ml is
prescribed for a client with heart failure. The medication is to be
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, HESI DOSAGE LATEST
CALCULATIONS
PRACTICE EXAM
delivered at a rate of 400 mcg/minute. The nurse should program the
infusion pump to deliver how many ml/hour? (Enter numeric value only.
If rounding is required, round to the nearest whole number.) -
ANSWERS-24
First calculate the number of mcg/hour: 400 mcg x 60 minutes = 24000
mcg/hour. Next calculate the number of ml/hour needed to administer
24,000 mcg/hour: 100,000 mcg: 100ml :: 24,000 mcg : X
100,000/24,000 :: 100/X 100,000X = 2,400,000 X = 24 ml/hour.
A client experiencing cardiogenic shock receives a prescription for an
IV infusion of 0.9% normal saline with milrinone (Primacor) 10 mg in
100 ml at a rate of 46 mcg/minute. The nurse should program the
infusion pump to deliver how many ml/hour? (Enter numeric value only.
If rounding is required, round to the nearest whole number.) -
ANSWERS-28
First calculate the number of mcg/hour: 46 mcg x 60 minutes = 2760
mcg/hour. Next calculate the number of ml/hour needed to administer
2760 mcg/hour: 10,000 mcg : 100 ml :: 2760 mcg : X 10, ::
100 / X 10,000X = 276000 X = 27.6 (rounded to) 28 ml/hour.
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, HESI DOSAGE LATEST
CALCULATIONS
PRACTICE EXAM
A client with septic shock receives a prescription for dextrose 5% in
water with dopamine (Intropin) 0.6 grams/250 ml at a rate of 5
mcg/kg/minute. The client's weight is 148 lbs. The nurse should set the
infusion pump to deliver how many ml/hour? (Enter numeric value only.
If rounding is required, round to the nearest whole number.) -
ANSWERS-8
First convert the weight into kilograms: 148 pounds/2.2 kg = 67 kg.
Next calculate the number of mcg/kg/minute: 5 x 67 x 1 minute = 335
mcg/min. Calculate the number of mcg/hour: 335 x 60 minutes = 20,100
mcg/hour. Now calculate the number of ml/hour needed to administer
20,100 mcg/hour: 600,000 mcg : 250 ml :: 20,100 mcg : X ml
600,000/20100 :: 250/X 600,000X = 5,02500 X = 8.375 (rounded to) 8
ml/hour.
A client with type 2 diabetes is receiving metformin (Glucophage) 1
gram PO twice daily. The medication is available in 500 mg tablets.
How many tablets should the nurse administer? (Enter numeric value
only.) - ANSWERS-2
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