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.) - ANS ✓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.) -
ANS ✓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 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.) - ANS ✓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
HESI 215
, 2
HESI
required, round to the nearest whole number.) - ANS ✓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.
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.) - ANS ✓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 Mycobacterium avium complex (MAC) is receiving an infusion
of 5 % dextrose in water with amikacin (Amikin) 0.572 grams/100 ml
every 12 hours. The nurse prepares the dose of amikacin using a vial
labeled, 250 mg/ml. How many ml should the nurse add to the infusion?
(Enter numeric value only. If rounding is required, round to the nearest
tenth.) - ANS ✓First convert gram to milligram: 1 gm = 1000mg .572 gram x
1000 = 572 mg. Next use the formula D/H x Q: 572/250 x 1 = 2.288 (rounded to)
2.3 ml.
A client with pericardial effusion has phrenic nerve compression resulting
in recurrent hiccups. The healthcare provider prescribes metoclopramide
(Reglan) liquid 10 mg PO q 6 hours. Reglan is available as 5 mg/5 ml. A
measuring device marked in teaspoons is being used. How many teaspoons
should the nurse administer? - ANS ✓First, using the formula, Desired
dose/dose on Hand x Quantity of volume on hand (D/H x Q), 10 mg / 5 mg x 5ml
= 10 ml. Next using the known conversion of 5 ml = 1 tsp: 5 ml : 1 tsp :: 10 ml : X 5
/ 10 : 1 / X 5X = 10 X = 2
A client has a prescription for inamrinone (Inocor) 0.75 mg/kg IV bolus to
be delivered over 3 minutes. The client weighs 80 kg. Inamrinone is
HESI 215
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