Test Bank For Henkes Med Math Dosage Calculation, Preparation, and Administration, 9th Edition (Buchholz, 2020), Chapter All Chapters with Answers and Rationals 3

Chapter 1, Arithmetic Needed for Dosage
c c c c c




Format:c MultiplecChoicecChapte
r:c1
ClientcNeeds:c PhysiologicalcIntegrity:cBasiccCarecandcComfortcCogni
tivecLevel:c Apply
Difficulty:c Moderate
PagecandcHeader:c 2,cDividingcWholecNumbers;c3,cFractionscIntegra
tedcProcess:c Teaching/Learning
Objective:c 1,c2
1. Acpatient/clientcwascinstructedctocdrinkc25cozcofcwatercwithinc2chourscbutcwasconl
ycablectocdrinkc15coz.cWhatcportioncofcthecwatercremained?
A) 2/5
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c c c c c

B) 3/5 roduct/henkes-med-math- dosage-calculation-
c


C) 2/25 preparation-administration-ninth- edition-susan-
c


D) 25/25 buchholz-test-bank/
Ans: A
Feedback:cSubtractcthecquantitycofcwatercthecclientcdrankc(15coz)cfromcthectotalcavaila
blecquantityc(25coz):c10cozcremain.cTocdeterminecthecportioncofcthecwatercthatcremains,c
createcacfractioncbycdividingc10cozc(remainingcportion)cbyc25cozc(totalcportion).cTherefo
re,c10cdividedcbyc25c=c10/25.cTocreducecfractions,cfindctheclargestcnumbercthatccancbecd
ividedcevenlycintocthecnumeratorcandcthecdenominatorc(5).cTencdividedcbyc5c(10/5)c=c2;
c 25/5c=c5.cThecfractionc10/25ccancbecreducedctocitsclowestctermscofc2/5.


Format:c MultiplecChoicecChapte
r:c1
ClientcNeeds:c PhysiologicalcIntegrity:cBasiccCarecandcComfortcCogni
tivecLevel:c Apply
Difficulty:c Moderate
PagecandcHeader:c 2,cDividingcWholecNumbers;c3,cFractions




Pagec 1

,IntegratedcProcess:c Teaching/LearningcO
bjective:c 1,c2
2. Acpatient/clientcwascprescribedc240cmLcofcEnsurecbycmouthcascacsupplementcbu
tcconsumedconlyc100cmL.cWhatcportioncofcthecEnsurecremained?
A) 5/12
B) 7/12
C) 100/240
D) 240/240
Ans: B

Feedback:cSubtractcthecquantitycofcEnsurecthecclientcconsumedc(100cmL)cfromcthectota
lcavailablecquantityc(240cmL):c140cmLcremain.cTocdeterminecthecportioncofcthecEnsurect
hatcremains,ccreatecacfractioncbycdividingc140cmLc(remainingcportion)cbyc240cmLc(totalcp
ortion).cTherefore,c140cdividedcbyc240c=c7/12.cTocreducecfractions,cfindctheclargestcnumb
ercthatccancbecdividedcevenlycintocthecnumeratorcandcthecdenominatorc(20);c140cdivide
dcbyc20c(140/20)c=c7;c240/20c=c12.cThecfractionc140/240ccancbecreducedctocitsclowestc
termscofc7/12.


Format:c MultiplecChoicecChapte
r:c1
ClientcNeeds:c PhysiologicalcIntegrity:cBasiccCarecandcComfortcCogn
itivecLevel:c Analyze
Difficulty:c Difficult
PagecandcHeader:c 2,cMultiplyingcWholecNumbers;c3,cFractionscInteg
ratedcProcess:c CommunicationcandcDocumentationcObjective:c 1,c2

3. Acpatient/clientcconsumedc2 oz.cofccoffee,c2/3coz.cofciceccream,candc1
1 1
oz.cofcbeefcbroth.cWhatciscthectotal
4 cnumbercofcouncescconsumedcthatcshouldcbecd
2

ocumentedcforcthecpatient/client?
A) 3c3/4
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c c c c c

B) 4c5/12
henkes-med-math-dosage- calculation-preparation-
c

C) 4c2/3 administration-ninth-edition-susan- buchholz-test-bank/
c


D) 4c4/9




Pagec 2

, Ans:c c B
Feedback:cAddcthecamountcofcouncescconsumed.cFirst,cchangecanycmixedcnumberctocacf
ractioncbycmultiplyingcthecwholecnumbercbycthecdenominatorcandcthencaddingcthatctotalc
tocthecnumerator.cForctheccoffee,c4cc 2c=c8c+c1c=c9/4;cforcthecbeefcbroth,c2cc 1
=c2c+c1c=c3/2.cThencadd:c9/4c+c2/3c(iceccream)c+c3/2.cWhencfractionschavecdifferentcden
ominators,cfindcthecleastccommoncdenominatorc(LCD).cForc2,c3,candc4,cthecLCDc=
12.cRewriteceachcfractioncusingcthecLCD;cdividecthecLCDcbycthecdenominatorcofceachcfra
ctioncandcthencmultiplycthatcresultcbycthecnumeratorcofcthecfraction.cThecnewcfractionsct
ocbecaddedcarec27/12c(coffee),c8/12c(iceccream),candc18/12c(beefcbroth).cAftercconvers
ioncofcthecfractions,cthecnumeratorscarecaddedctogethercandcthecfractionciscreducedctocth
eclowestcterms.


Format:c MultiplecChoicecChapte
r:c1
ClientcNeeds:c PhysiologicalcIntegrity:cBasiccCarecandcComfortcCogni
tivecLevel:c Analyze
Difficulty:c Difficult
PagecandcHeader:c 2,cMultiplyingcWholecNumbers;c3,cFractionscInteg
ratedcProcess:c CommunicationcandcDocumentationcObjective:c 1,c2
4. Accoffeeccupcholdsc180cmL.cThecpatient/clientcdrankc2⅓ccupscofccoffee.cHowcm
anycmilliliterscwouldcthecnursecdocumentcascconsumed?
A) 360
B) 420 Download All chapters At : https://nursingrade.com/p
c c c c c


roduct/henkes-med-math- dosage-calculation-
c
C) 510
preparation-administration-ninth- edition-susan-
c

D) 600
buchholz-test-bank/
Ans: B
Feedback:cTheccoffeeccupcholdsc180cmL.cThecclientcdrankc2⅓ccups.cTocestimatecthectot
alcnumbercofcmilliliterscconsumed,cmultiplyc180cc 7/3c(2⅓).cWhencacmixedcnumberciscpre
sent,cchangecitctocancimpropercfractioncbycmultiplyingcthecwholecnumbercbycthecdenomin
atorcandcthencaddingcthatctotalctocthecnumerator:c2cc 3c=c6c+c1c=c7/3.
Therefore,c180cmLc×c7/3c=c420cmLc(180c÷c3c=c60c×c7c=c420).




Pagec 3