HESI DOSAGE CALCULATIONS
PRACTICE QUESTIONS ACTUAL
EXAM ALL QUESTIONS AND WELL
ELABORATED ANSWERS TOP RATED
VERSION FOR ALREADY A+ GRADED
HIGHLY RECOMMENDED |NEW AND
REVISED
1. Amclientmwithmcardiogenicmshockmweighsm220mlbmandmismreceivingmdopaminematmthemratemo
fm3mmcg/kg/minute.mThemsolutionmstrengthmavailablemismdopaminem400mmgminm250mmlmofm
D5W.mThemnursemshouldmsetmtheminfusionmpumpmtomdelivermhowmmanymml/hour?m(Entermn
umericmvaluemonly.mIfmroundingmismrequired,mroundmtomthemnearestmtenth.)m-
mCORRECTmANSWERm11.3
2. First,mconvertmpoundsmtomkg,m220mlbm:mXm=m2.2mlbm:m1mkgm=m100mkg.mNext,mcalculatemthemdo
sagempermminute,m3mmcg/kg/minmxm100mkgm=m300mmcg/min.mConvertmmcg/minmtommcg/h
our,m300mmcg/minmxm60mmin=18,000mmcg/hour.mConvertmmcg/hrmtommg/hour,m18,000mm
cg/hrm=m18.0mmg/hour.mCalculatemthemrate,m400mmgm:m250mmlm=m18mmgm:mXmmlm400Xm=m45
00mXm=m11.25m=m11.3mml.mSo,m18mmg/11.3mmlmshouldmbeminfusedmatm11.3mml/hour.
3. Amclientmwithmhypertensionmwhomweighsm72.4mkgmismreceivingmanminfusionmofmnitroprussid
em(Nipride)m50mmgminmD5Wm250mmlmatm75mml/hour.mHowmmanymmcg/kg/minutemismthemcli
entmreceiving?m(Entermnumericmvaluemonly.mIfmroundingmismrequired,mroundmtomthemnearest
mtenth.)m-mCORRECTmANSWERm3.5
4. Calculatemthemmg/hourminfusing,m50mmgm:m250mmlm=mXm:m75mmlm250Xm=m3750mandmXm=m15m
mg/hour.mNext,mconvertmmg/hrmtommcg/hour,m15mmg/hourm=m1mmgm/m1000mmcgm=m15,000
mmcg/hour,mthenmdividembym60mminm=m250mmcg/minute.mLastly,m250mmcg/72.4mkg/minm=m
3.45m=m3.5mmcg/kg/minute.
, 5. Amclientmwhomweighsm70mkgmismreceivingmamdopaminemsolutionmofm800mmg/500mmlmnormal
msalinematm5mml/hour.mHowmmanymmcg/kg/minutemismthemclientmreceiving?m(Entermnumeri
cmvaluemonly.mIfmroundingmismrequired,mroundmtomthemnearestmtenth.)m-
mCORRECTmANSWERm1.9
6. Tomchangemml/hourmtommcg/kg/minute,musemthemformula:mdesiredmratem(5mml/hour)m/mvol
umemavailablem(500mml)mxmdosemavailablem(800mmg)m=m8mmg/hour.mNext,mconvertmmilligra
ms/hourmtommcg/kg/minute:mmgm(8)mxm1000m/mkgm(70)m/m60mminutesm=m1.904m=m1.9mmcg/
kg/minute.
7. AmclientmismreceivingmanmIVmsolutionmofmsodiummchloridem0.9%m(NormalmSaline)m250mmlmwi
thmamiodaronem(Cordarone)m1mgrammatm17mml/hour.mHowmmanymmg/minutemofmamiodaro
nemisminfusing?m(Entermnumericmvaluemonly.mIfmroundingmismrequired,mroundmtomthemneares
tmtenth.)m-
mCORRECTmANSWERmConvertmgramsmtommg,m1mgrammequalsm1,000mmg.mUsingmratiomandmp
roportionm-
m1,000mmgm:m250mmlm::mXmmgm:m1mlm250X=m1,000msomXm=m4mmg/mlmismthemsolutionmconcent
rationmofmamiodarone.mTheminfusionmratem(ml/hour)mxmconcentrationm(mg/ml)mdividedmby
m60mminutes/hourm17mml/hourmxm4mmg/mlm=m68/60m=m1.13m=m1.1mmg/minute.
8. Amclientmwhomweighsm176mpoundsmismreceivingmanmIVminfusionmwithmesmololmhydrochlorid
em(Brevibloc)matm48mml/hour.mThemIVmsolutionmismlabeledmwithmthemconcentrationmofmBrevi
blocm10mmg/ml.mHowmmanymmcg/kg/minutemismthemclientmreceiving?m(Entermnumericmvalu
emonly.)m-mCORRECTmANSWERm100
9. Convertmpoundsmtomkgmbymdividingm176mpoundsmbym2.2mpoundsm=m80mkg.mConvertmthemIVm
concentrationmfrommmgmtommcg.m1mmgm:m1000mmcgm::m10mmgm:m10,000mmcg.mInfusionmrate
m(48mml/hour)mxmconcentrationm(10,000mmcg/ml)mdividedmbym60mminutes/hourmxm80mkgm=
m48mxm10,000mdividedmbym60mxm80m=m480,000m/m4800m=m100mmcg/kg/minute.
10. Themnursemismpreparingmthemchange-of-
shiftmreportmformamclientmwhomhasmam265mmlmsecondaryminfusionmthatmwasmstartedm2mhour
smagomatmamratemofm85mml/hourmviamanminfusionmpump.mThemnursemshouldmreportmthatmho
PRACTICE QUESTIONS ACTUAL
EXAM ALL QUESTIONS AND WELL
ELABORATED ANSWERS TOP RATED
VERSION FOR ALREADY A+ GRADED
HIGHLY RECOMMENDED |NEW AND
REVISED
1. Amclientmwithmcardiogenicmshockmweighsm220mlbmandmismreceivingmdopaminematmthemratemo
fm3mmcg/kg/minute.mThemsolutionmstrengthmavailablemismdopaminem400mmgminm250mmlmofm
D5W.mThemnursemshouldmsetmtheminfusionmpumpmtomdelivermhowmmanymml/hour?m(Entermn
umericmvaluemonly.mIfmroundingmismrequired,mroundmtomthemnearestmtenth.)m-
mCORRECTmANSWERm11.3
2. First,mconvertmpoundsmtomkg,m220mlbm:mXm=m2.2mlbm:m1mkgm=m100mkg.mNext,mcalculatemthemdo
sagempermminute,m3mmcg/kg/minmxm100mkgm=m300mmcg/min.mConvertmmcg/minmtommcg/h
our,m300mmcg/minmxm60mmin=18,000mmcg/hour.mConvertmmcg/hrmtommg/hour,m18,000mm
cg/hrm=m18.0mmg/hour.mCalculatemthemrate,m400mmgm:m250mmlm=m18mmgm:mXmmlm400Xm=m45
00mXm=m11.25m=m11.3mml.mSo,m18mmg/11.3mmlmshouldmbeminfusedmatm11.3mml/hour.
3. Amclientmwithmhypertensionmwhomweighsm72.4mkgmismreceivingmanminfusionmofmnitroprussid
em(Nipride)m50mmgminmD5Wm250mmlmatm75mml/hour.mHowmmanymmcg/kg/minutemismthemcli
entmreceiving?m(Entermnumericmvaluemonly.mIfmroundingmismrequired,mroundmtomthemnearest
mtenth.)m-mCORRECTmANSWERm3.5
4. Calculatemthemmg/hourminfusing,m50mmgm:m250mmlm=mXm:m75mmlm250Xm=m3750mandmXm=m15m
mg/hour.mNext,mconvertmmg/hrmtommcg/hour,m15mmg/hourm=m1mmgm/m1000mmcgm=m15,000
mmcg/hour,mthenmdividembym60mminm=m250mmcg/minute.mLastly,m250mmcg/72.4mkg/minm=m
3.45m=m3.5mmcg/kg/minute.
, 5. Amclientmwhomweighsm70mkgmismreceivingmamdopaminemsolutionmofm800mmg/500mmlmnormal
msalinematm5mml/hour.mHowmmanymmcg/kg/minutemismthemclientmreceiving?m(Entermnumeri
cmvaluemonly.mIfmroundingmismrequired,mroundmtomthemnearestmtenth.)m-
mCORRECTmANSWERm1.9
6. Tomchangemml/hourmtommcg/kg/minute,musemthemformula:mdesiredmratem(5mml/hour)m/mvol
umemavailablem(500mml)mxmdosemavailablem(800mmg)m=m8mmg/hour.mNext,mconvertmmilligra
ms/hourmtommcg/kg/minute:mmgm(8)mxm1000m/mkgm(70)m/m60mminutesm=m1.904m=m1.9mmcg/
kg/minute.
7. AmclientmismreceivingmanmIVmsolutionmofmsodiummchloridem0.9%m(NormalmSaline)m250mmlmwi
thmamiodaronem(Cordarone)m1mgrammatm17mml/hour.mHowmmanymmg/minutemofmamiodaro
nemisminfusing?m(Entermnumericmvaluemonly.mIfmroundingmismrequired,mroundmtomthemneares
tmtenth.)m-
mCORRECTmANSWERmConvertmgramsmtommg,m1mgrammequalsm1,000mmg.mUsingmratiomandmp
roportionm-
m1,000mmgm:m250mmlm::mXmmgm:m1mlm250X=m1,000msomXm=m4mmg/mlmismthemsolutionmconcent
rationmofmamiodarone.mTheminfusionmratem(ml/hour)mxmconcentrationm(mg/ml)mdividedmby
m60mminutes/hourm17mml/hourmxm4mmg/mlm=m68/60m=m1.13m=m1.1mmg/minute.
8. Amclientmwhomweighsm176mpoundsmismreceivingmanmIVminfusionmwithmesmololmhydrochlorid
em(Brevibloc)matm48mml/hour.mThemIVmsolutionmismlabeledmwithmthemconcentrationmofmBrevi
blocm10mmg/ml.mHowmmanymmcg/kg/minutemismthemclientmreceiving?m(Entermnumericmvalu
emonly.)m-mCORRECTmANSWERm100
9. Convertmpoundsmtomkgmbymdividingm176mpoundsmbym2.2mpoundsm=m80mkg.mConvertmthemIVm
concentrationmfrommmgmtommcg.m1mmgm:m1000mmcgm::m10mmgm:m10,000mmcg.mInfusionmrate
m(48mml/hour)mxmconcentrationm(10,000mmcg/ml)mdividedmbym60mminutes/hourmxm80mkgm=
m48mxm10,000mdividedmbym60mxm80m=m480,000m/m4800m=m100mmcg/kg/minute.
10. Themnursemismpreparingmthemchange-of-
shiftmreportmformamclientmwhomhasmam265mmlmsecondaryminfusionmthatmwasmstartedm2mhour
smagomatmamratemofm85mml/hourmviamanminfusionmpump.mThemnursemshouldmreportmthatmho
