Test Bank for Henke's Med-Math: Dosage Calculation, Preparation, & Administration 9th Edition by Susan Buchholz

,
,Chapter 1: Arithmetic Needed for Dosage
j j j j j




MULTIPLEjCHOICE

1. Ajpatient/clientjwasjinstructedjtojdrinkj25jozjofjwaterjwithinj2jhoursjbutjwasjonlyjablejtojdrinkj15joz.jWhatj
portionjofjthejwaterjremained?
a. 2/5
b. 3/5
c. 2/25
d. 25/25
ANS:j A
Feedback:jSubtractjthejquantityjofjwaterjthejclientjdrankj(15joz)jfromjthejtotaljavailablejquantityj(25joz):j1
0jozjremain.jTojdeterminejthejportionjofjthejwaterjthatjremains,jcreatejajfractionjbyjdividingj10jozj(remaini
ngjportion)jbyj25jozj(totaljportion).jTherefore,j10jdividedjbyj25j=j10/25.jTojreducejfractions,jfindjthejlarge
stjnumberjthatjcanjbejdividedjevenlyjintojthejnumeratorjandjthejdenominator
(5).jTenjdividedjbyj5j(10/5)j=j2;j25/5j=j5.jThejfractionj10/25jcanjbejreducedjtojitsjlowestjtermsjofj2/5.

Format:jMultiplejChoicejChapte
r:j1
ClientjNeeds:jPhysiologicaljIntegrity:jBasicjCarejandjComfortjCogn
itivejLevel:jApply
Difficulty:jModerate
PagejandjHeader:j2,jDividingjWholejNumbers;j3,jFractionsjIntegrate
djProcess:jTeaching/Learning
Objective:j1,j2

2. Ajpatient/clientjwasjprescribedj240 W
mWLWo.
fjETnB
suSreMb.yWmSouthjasjajsupplementjbutjconsumedjonlyj100jmL
.jWhatjportionjofjthejEnsurejremained?
a. 5/12
b. 7/12
c. 100/240
d. 240/240
ANS:j B
Feedback:jSubtractjthejquantityjofjEnsurejthejclientjconsumedj(100jmL)jfromjthejtotaljavailablejquantityj(
240jmL):j140jmLjremain.jTojdeterminejthejportionjofjthejEnsurejthatjremains,jcreatejajfractionjbyjdividingj
140jmLj(remainingjportion)jbyj240jmLj(totaljportion).jTherefore,j140jdividedjbyj240j=j7/12.jTojreducejfra
ctions,jfindjthejlargestjnumberjthatjcanjbejdividedjevenlyjintojthejnumeratorjandjthejdenominatorj(20);j140j
dividedjbyj20j(140/20)j=j7;j240/20j=j12.jThejfractionj140/240jcanjbejreducedjtojitsjlowestjtermsjofj7/12.

Format:jMultiplejChoicejChapte
r:j1
ClientjNeeds:jPhysiologicaljIntegrity:jBasicjCarejandjComfortjCogn
itivejLevel:jApply
Difficulty:jModerate
PagejandjHeader:j2,jDividingjWholejNumbers;j3,jFractionsjIntegrate
djProcess:jTeaching/Learning
Objective:j1,j2




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, 3. Ajpatient/clientjconsumedj j oz.jofjcoffee,j2/3joz.jofjicejcream,jandj


j oz.jofjbeefjbroth.jWhatjisjthejtotaljnumberjofjouncesjconsumedjthatjshouldjbejdocumentedjforjthejpatient/c

lient?
a. 3j3/4
b. 4j5/12
c. 4j2/3
d. 4j4/9
ANS:j B
Feedback:jAddjthejamountjofjouncesjconsumed.jFirst,jchangejanyjmixedjnumberjtojajfractionjbyjmultiplyin
gjthejwholejnumberjbyjthejdenominatorjandjthenjaddingjthatjtotaljtojthejnumerator.jForjthejcoffee,j4jj2j=j8j+j
1j=j9/4;jforjthejbeefjbroth,j2jj1
=j2j+j1j=j3/2.jThenjadd:j9/4j+j2/3j(icejcream)j+j3/2.jWhenjfractionsjhavejdifferentjdenominators,jfindjthejleas
tjcommonjdenominatorj(LCD).jForj2,j3,jandj4,jthejLCDj=
12.jRewritejeachjfractionjusingjthejLCD;jdividejthejLCDjbyjthejdenominatorjofjeachjfractionjandjthenjmulti
plyjthatjresultjbyjthejnumeratorjofjthejfraction.jThejnewjfractionsjtojbejaddedjarej27/12j(coffee),j8/12j(icejcr
eam),jandj18/12j(beefjbroth).jAfterjconversionjofjthejfractions,jthejnumeratorsjarejaddedjtogetherjandjthejfr
actionjisjreducedjtojthejlowestjterms.

Format:jMultiplejChoicejChapte
r:j1
ClientjNeeds:jPhysiologicaljIntegrity:jBasicjCarejandjComfortjCogn
itivejLevel:jAnalyze
Difficulty:jDifficult
PagejandjHeader:j2,jMultiplyingjWholejNumbers;j3,jFractionsjInteg
ratedjProcess:jCommunicationjandjDocumentationjObjective:j1,j2
4. Ajcoffeejcupjholdsj180jmL.jThejpatient/clientjdrankj2?jcupsjofjcoffee.jHowjmanyjmillilitersjwould
thejnursejdocumentjasjconsumed? WWW.TBSM.WS
a. 360
b. 420
c. 510
d. 600
ANS:j B
Feedback:jThejcoffeejcupjholdsj180jmL.jThejclientjdrankj2?jcups.jTojestimatejthejtotaljnumberjofjmilliliters
jconsumed,jmultiplyj180jj7/3j(


).jWhenjajmixedjnumberjisjpresent,jchangejitjtojanjimproperjfractionjbyjmultiplyingjthejwholejnumberjbyjth
ejdenominatorjandjthenjaddingjthatjtotaljto
thejnumerator:j2jj3j=j6j+j1j=j7/3.jTherefore,j180jmLj×j7/3j=j420jmLj(180j÷j3j=j60j×j7j=j420).

Format:jMultiplejChoicejChapte
r:j1
ClientjNeeds:jPhysiologicaljIntegrity:jBasicjCarejandjComfortjCogn
itivejLevel:jAnalyze
Difficulty:jDifficult
PagejandjHeader:j2,jMultiplyingjWholejNumbers;j3,jFractionsjInteg
ratedjProcess:jCommunicationjandjDocumentationjObjective:j1,j2

5. Ajpatient/clientjweighedj48.52jkgjonjadmissionjandjnowjweighsj50.4jkg.jHowjmanyjkilogramsjwerejgain
edjsincejadmission?
a. 0.78
b. 0.88




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