,Chapter 1: Arithmetic Needed for Dosage
u u u u u
MULTIPLEuCHOICE
1. Aupatient/clientuwasuinstructedutoudrinku25uozuofuwateruwithinu2uhoursubutuwasuonlyuableutoudrinku15uoz.u
Whatuportionuofutheuwateruremained?
a. 2/5
b.uuu 3/5
c. 2/25
d.u 25/25
ANS:u A
Feedback:uSubtractutheuquantityuofuwaterutheuclientudranku(15uoz)ufromutheutotaluavailableuquantityu(25uo
z):u10uozuremain.uToudetermineutheuportionuofutheuwateruthaturemains,ucreateuaufractionubyudividingu10uozu
(remaininguportion)ubyu25uozu(totaluportion).uTherefore,u10udividedubyu25u=u10/25.uToureduceufractions,uf
indutheulargestunumberuthatucanubeudivideduevenlyuintoutheunumeratoruandutheudenominatoru(5).uTenudivid
edubyu5u(10/5)u=u2;u25/5u=u5.uTheufractionu10/25ucanubeureducedutouitsulowestutermsuofu2/5.
Format:uMultipleuChoiceu
Chapter:u1
ClientuNeeds:uPhysiologicaluIntegrity:uBasicuCareuanduComfortu
CognitiveuLevel:uApply
Difficulty:uModerate
PageuanduHeader:u2,uDividinguWholeuNumbers;u3,uFractionsu
IntegrateduProcess:uTeaching/Learning
Objective:u1,u2
2. Aupatient/clientuwasuprescribedu240 W
mWLWo.
fuETnB
suSreMb.yWmSouthuasuausupplementubutuconsumeduonlyu100u
mL.uWhatuportionuofutheuEnsureuremained?
a. 5/12
b.uuu 7/12
c. 100/240
d.uuu 240/240
ANS:u B
Feedback:uSubtractutheuquantityuofuEnsureutheuclientuconsumedu(100umL)ufromutheutotaluavailableuquant
ityu(240umL):u140umLuremain.uToudetermineutheuportionuofutheuEnsureuthaturemains,ucreateuaufractionuby
udividingu140umLu(remaininguportion)ubyu240umLu(totaluportion).uTherefore,u140udividedubyu240u=u7/12.
uToureduceufractions,ufindutheulargestunumberuthatucanubeudivideduevenlyuintoutheunumeratoruandutheudeno
minatoru(20);u140udividedubyu20u(140/20)u=u7;u240/20u=u12.uTheufractionu140/240ucanubeureducedutouitsul
owestutermsuofu7/12.
Format:uMultipleuChoiceu
Chapter:u1
ClientuNeeds:uPhysiologicaluIntegrity:uBasicuCareuanduComfortu
CognitiveuLevel:uApply
Difficulty:uModerate
PageuanduHeader:u2,uDividinguWholeuNumbers;u3,uFractionsu
IntegrateduProcess:uTeaching/Learning
Objective:u1,u2
1u|uPuaugue
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, 3. Aupatient/clientuconsumedu uu oz.uofucoffee,u2/3uoz.uofuiceucream,uandu
uuoz.uofubeefubroth.uWhatuisu
theutotalunumberuofuouncesuconsumeduthatushouldubeudocumenteduforutheupatie
nt/client?
a. 3u3/4
b.u 4u5/12
c. 4u2/3
d.uuu 4u4/9
ANS:u B
Feedback:uAddutheuamountuofuouncesuconsumed.uFirst,uchangeuanyumixedunumberutouaufractionubyumult
iplyingutheuwholeunumberubyutheudenominatoruanduthenuaddinguthatutotalutoutheunumerator.uForutheucoffe
e,u4uu2u=u8u+u1u=u9/4;uforutheubeefubroth,u2uu1
=u2u+u1u=u3/2.uThenuadd:u9/4u+u2/3u(iceucream)u+u3/2.uWhenufractionsuhaveudifferentudenominators,ufindut
heuleastucommonudenominatoru(LCD).uForu2,u3,uandu4,utheuLCDu=
12.uRewriteueachufractionuusingutheuLCD;udivideutheuLCDubyutheudenominatoruofueachufractionuanduthenu
multiplyuthaturesultubyutheunumeratoruofutheufraction.uTheunewufractionsutoubeuaddeduareu27/12u(coffee),u8
/12u(iceucream),uandu18/12u(beefubroth).uAfteruconversionuofutheufractions,utheunumeratorsuareuaddedutoge
theruandutheufractionuisureducedutoutheulowestuterms.
Format:uMultipleuChoiceu
Chapter:u1
ClientuNeeds:uPhysiologicaluIntegrity:uBasicuCareuanduComfortu
CognitiveuLevel:uAnalyze
Difficulty:uDifficult
PageuanduHeader:u2,uMultiplyinguWholeuNumbers;u3,uFractionsu
IntegrateduProcess:uCommunicationuanduDocumentationuObject
ive:u1,u2
4. Aucoffeeucupuholdsu180umL.uTheupatient/clientudranku2?ucupsuofucoffee.uHowumanyumillilitersuwould
theunurseudocumentuasuconsumed?u WWW.TBSM.WS
a. 360
b.uuu 420
c. 510
d.uuu 600
ANS:u B
Feedback:uTheucoffeeucupuholdsu180umL.uTheuclientudranku2?ucups.uTouestimateutheutotalunumberuofumillili
tersuconsumed,umultiplyu180uu7/3u(
).uWhenuaumixedunumberuisupresent,uchangeuitutouanuimproperufractionubyumultiplyingutheuwholeunumberub
yutheudenominatoruanduthenuaddinguthatutotaluto
theunumerator:u2uu3u=u6u+u1u=u7/3.uTherefore,u180umLu×u7/3u=u420umLu(180u÷u3u=u60u×u7u=u420).
Format:uMultipleuChoiceu
Chapter:u1
ClientuNeeds:uPhysiologicaluIntegrity:uBasicuCareuanduComfortu
CognitiveuLevel:uAnalyze
Difficulty:uDifficult
PageuanduHeader:u2,uMultiplyinguWholeuNumbers;u3,uFractionsu
IntegrateduProcess:uCommunicationuanduDocumentationuObject
ive:u1,u2
5. Aupatient/clientuweighedu48.52ukguonuadmissionuandunowuweighsu50.4ukg.uHowumanyukilogramsuwereu
gainedusinceuadmission?
a. 0.78
b.uuu 0.88
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