HESI DOSAGE
CALCULATIONS / HESI
DOSAGE CALCULATIONS
QUIZ QUESTIONS AND
ANSWERS 2025/2026
GRADED A+
A.client.with.hypertension.who.weighs.72.4.kg.is.receiving.an.infusion.
of.nitroprusside.(Nipride).50.mg.in.D5W.250.ml.at.75.ml/hour..How.m
any.mcg/kg/minute.is.the.client.receiving?.(Enter.numeric.value.only..If.
rounding.is.required,.round.to.the.nearest.tenth.).-.ANSWER-.3.5
Calculate.the.mg/hour.infusing,.50.mg.:.250.ml.=.X.:.75.ml.250X.=.375
0.and.X.=.15.mg/hour.Next,.convert.mg/hr.to.mcg/hour,.15.mg/hour
=.1.mg./.1000.mcg.=.15,000.mcg/hour,.then.divide.by.60.min.=.250.mc
g/minute.Lastly,.250.mcg/72.4.kg/min.=.3.45.=.3.5.mcg/kg/minute
A.client.receives.a.prescription.for.an.intravenous.infusion.0.45%.sodiu
m.chloride.500.ml.to.be.infused.over.6.hours..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.).-
.ANSWER-.83
,Calculate.using.Volume/Time:.500.ml/6.hours.=.83.3.ml/hour
The.healthcare.provider.prescribes.a.continuous.intravenous.infusion.of
.dextrose.5%.and.0.45%.sodium.chloride.witth.KCl.20.mEq/1000.ml.to
.be.delivered.over.8.hours..The.nurse.should.program.the.infusion.pum
p.to.deliver.how.many.ml/hour?.(Enter.numeric.value.only..If.rounding.
is.required,.round.to.the.nearest.whole.number.).-.ANSWER-.125
Using.the.formula.volume/time:.1000.ml/8.hours.=.125.ml/hour
A.client.with.cardiogenic.shock.weighs.220.lb.and.is.receiving.dopamin
e.at.the.rate.of.3.mcg/kg/minute..The.solution.strength.available.is.dopa
mine.400.mg.in.250.ml.of.D5W..The.nurse.should.set.the.infusion.pum
p.to.deliver.how.many.ml/hour?.(Enter.numeric.value.only..If.rounding.i
s.required,.round.to.the.nearest.tenth.).-.ANSWER-.11.3
First,.convert.pounds.to.kg,.220.lb.:.X.=.2.2.lb.:.1.kg.=.100.kg.Next,.cal
culate.the.dosage.per.minute,.3.mcg/kg/min.x.100.kg.=.300.mcg/min.Co
nvert.mcg/min.to.mcg/hour,.300.mcg/min.x.60.min=18,000.mcg/hour.C
onvert.mcg/hr.to.mg/hour,.18,000.mcg/hr.=.18.0.mg/hour.Calculate.the.r
ate,.400.mg.:.250.ml.=.18.mg.:.X.ml.400X.=.4500.X.=.11.25.=.11.3.ml.
So,.18.mg/11.3.ml.should.be.infused.at.11.3.ml/hour.
A.client.who.has.a.sinus.infection.is.receiving.a.prescription.for.amoxici
llin/clavulanate.potassium.(Augmentin).500.mg.PO.q8.hours..The.availa
ble.form.is.250.mg.amoxicillin/125mg.clavulanate.tablets..How.many.ta
blets.should.the.nurse.administer.for.each.dose?.(Enter.numeric.value.o
nly.).-.ANSWER-.2
, Using.Desired/Available.formula:.500.mg/250.mg.x.1.tablet.=.2
A.child.who.is.scheduled.for.a.kidney.transplant.receives.a.prescription.f
or.basiliximab.(Simulect).20.mg.IV.2.hours.prior.to.surgery..The.medica
tion.is.available.in.a.20.mg.vial.that.is.reconstituted.by.adding.5.ml.steril
e.water.for.injection,.and.administered.in.a.50.ml.bag.of.normal.saline.o
ver.30.minutes..The.nurse.should.program.the.infusion.pump.to.deliver.
how.many.ml/hour?.(Enter.the.numeric.value.only.).-.ANSWER-.110
After.reconstituting.the.medication.vial,.the.nurse.adds.the.5.ml.of.medi
cation.to.the.50.ml.of.sterile.water.to.result.in.a.55.ml.volume.to.infuse.i
n.30.minutes..Using.the.formula,.Volume/Time.=.55.ml./.0.5.hours.=.11
0.ml/hour
A.client.who.weighs.70.kg.is.receiving.a.dopamine.solution.of.800.mg/
500.ml.normal.saline.at.5.ml/hour..How.many.mcg/kg/minute.is.the.clie
nt.receiving?.(Enter.the.numeric.value.only..If.rounding.is.required,.rou
nd.to.the.nearest.tenth.).-.ANSWER-.1.9
To.change.ml/hour.to.mcg/kg/minute,.use.the.formula:.desired.rate.(5.ml
/hour)./.volume.available.(500ml).x.dose.available.(800mg).=.8.mg/hou
r..Next,.convert.milligrams/hour.to.mcg/kg/minute:.mg.(8).x.1000./.kg.(
70)./.60.minutes.=.1.904.=.1.9.mcg/kg/minute.
The.nurse.is.preparing.to.administer.Hepatitis.B.Vaccine,.Recombinant.
(Energix-B).5.mcg.IM.to.a.school-aged.child..The.vaccine.is.labeled,.10
CALCULATIONS / HESI
DOSAGE CALCULATIONS
QUIZ QUESTIONS AND
ANSWERS 2025/2026
GRADED A+
A.client.with.hypertension.who.weighs.72.4.kg.is.receiving.an.infusion.
of.nitroprusside.(Nipride).50.mg.in.D5W.250.ml.at.75.ml/hour..How.m
any.mcg/kg/minute.is.the.client.receiving?.(Enter.numeric.value.only..If.
rounding.is.required,.round.to.the.nearest.tenth.).-.ANSWER-.3.5
Calculate.the.mg/hour.infusing,.50.mg.:.250.ml.=.X.:.75.ml.250X.=.375
0.and.X.=.15.mg/hour.Next,.convert.mg/hr.to.mcg/hour,.15.mg/hour
=.1.mg./.1000.mcg.=.15,000.mcg/hour,.then.divide.by.60.min.=.250.mc
g/minute.Lastly,.250.mcg/72.4.kg/min.=.3.45.=.3.5.mcg/kg/minute
A.client.receives.a.prescription.for.an.intravenous.infusion.0.45%.sodiu
m.chloride.500.ml.to.be.infused.over.6.hours..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.).-
.ANSWER-.83
,Calculate.using.Volume/Time:.500.ml/6.hours.=.83.3.ml/hour
The.healthcare.provider.prescribes.a.continuous.intravenous.infusion.of
.dextrose.5%.and.0.45%.sodium.chloride.witth.KCl.20.mEq/1000.ml.to
.be.delivered.over.8.hours..The.nurse.should.program.the.infusion.pum
p.to.deliver.how.many.ml/hour?.(Enter.numeric.value.only..If.rounding.
is.required,.round.to.the.nearest.whole.number.).-.ANSWER-.125
Using.the.formula.volume/time:.1000.ml/8.hours.=.125.ml/hour
A.client.with.cardiogenic.shock.weighs.220.lb.and.is.receiving.dopamin
e.at.the.rate.of.3.mcg/kg/minute..The.solution.strength.available.is.dopa
mine.400.mg.in.250.ml.of.D5W..The.nurse.should.set.the.infusion.pum
p.to.deliver.how.many.ml/hour?.(Enter.numeric.value.only..If.rounding.i
s.required,.round.to.the.nearest.tenth.).-.ANSWER-.11.3
First,.convert.pounds.to.kg,.220.lb.:.X.=.2.2.lb.:.1.kg.=.100.kg.Next,.cal
culate.the.dosage.per.minute,.3.mcg/kg/min.x.100.kg.=.300.mcg/min.Co
nvert.mcg/min.to.mcg/hour,.300.mcg/min.x.60.min=18,000.mcg/hour.C
onvert.mcg/hr.to.mg/hour,.18,000.mcg/hr.=.18.0.mg/hour.Calculate.the.r
ate,.400.mg.:.250.ml.=.18.mg.:.X.ml.400X.=.4500.X.=.11.25.=.11.3.ml.
So,.18.mg/11.3.ml.should.be.infused.at.11.3.ml/hour.
A.client.who.has.a.sinus.infection.is.receiving.a.prescription.for.amoxici
llin/clavulanate.potassium.(Augmentin).500.mg.PO.q8.hours..The.availa
ble.form.is.250.mg.amoxicillin/125mg.clavulanate.tablets..How.many.ta
blets.should.the.nurse.administer.for.each.dose?.(Enter.numeric.value.o
nly.).-.ANSWER-.2
, Using.Desired/Available.formula:.500.mg/250.mg.x.1.tablet.=.2
A.child.who.is.scheduled.for.a.kidney.transplant.receives.a.prescription.f
or.basiliximab.(Simulect).20.mg.IV.2.hours.prior.to.surgery..The.medica
tion.is.available.in.a.20.mg.vial.that.is.reconstituted.by.adding.5.ml.steril
e.water.for.injection,.and.administered.in.a.50.ml.bag.of.normal.saline.o
ver.30.minutes..The.nurse.should.program.the.infusion.pump.to.deliver.
how.many.ml/hour?.(Enter.the.numeric.value.only.).-.ANSWER-.110
After.reconstituting.the.medication.vial,.the.nurse.adds.the.5.ml.of.medi
cation.to.the.50.ml.of.sterile.water.to.result.in.a.55.ml.volume.to.infuse.i
n.30.minutes..Using.the.formula,.Volume/Time.=.55.ml./.0.5.hours.=.11
0.ml/hour
A.client.who.weighs.70.kg.is.receiving.a.dopamine.solution.of.800.mg/
500.ml.normal.saline.at.5.ml/hour..How.many.mcg/kg/minute.is.the.clie
nt.receiving?.(Enter.the.numeric.value.only..If.rounding.is.required,.rou
nd.to.the.nearest.tenth.).-.ANSWER-.1.9
To.change.ml/hour.to.mcg/kg/minute,.use.the.formula:.desired.rate.(5.ml
/hour)./.volume.available.(500ml).x.dose.available.(800mg).=.8.mg/hou
r..Next,.convert.milligrams/hour.to.mcg/kg/minute:.mg.(8).x.1000./.kg.(
70)./.60.minutes.=.1.904.=.1.9.mcg/kg/minute.
The.nurse.is.preparing.to.administer.Hepatitis.B.Vaccine,.Recombinant.
(Energix-B).5.mcg.IM.to.a.school-aged.child..The.vaccine.is.labeled,.10
