drug Classifications and dosage calculations 4TH Edition by
Cynthia J. Watkins Chapters 1_21 Complete Chapters
,
,Chapterl1.l Historyl ofl Pharmacology
PharmacologylClearlandlSimple-
lAlGuideltolDruglClassifications landlDosagelCalculations l4thlEditionlWatkinslTestlBank
1.
Alnurselworkinglinlradiologyladministersliodineltolalpatientlwholislhavinglalcompute
dtomographyl(CT)lscan.lThelnurselworkinglonltheloncologylunitladministerslchemoth
erapyltolpatientslwholhavelcancer.lAtlthelPubliclHealthlDepartment,lalnurseladminister
slalmeasles-mumps-rubellal(MMR)lvaccineltolal14-month-
oldlchildlaslalroutinelimmunization.lWhichlbranchloflpharmacologylbestldescribeslthel
actionsloflalllthreelnurses?
A) Pharmacoeconomics
B) Pharmacotherapeutics
C) Pharmacodynamics
D) Pharmacokinetics
ANSWER: B
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Pharmacologylislthelstudyloflthelbiologicleffectsloflchemicals.lNurseslarelinvolvedlwit
hlclinicallpharmacologylorlpharmacotherapeutics,lwhichlislalbranchloflpharmacologylt
hatldealslwithltheluseslofldrugsltoltreat,lprevent,landldiagnoseldisease.lThelradiologylnu
rselisladministeringlaldrugltolhelpldiagnoselaldisease.lTheloncologylnurselisladministeri
nglaldrugltolhelpltreatlaldisease.lPharmacoeconomicslincludeslanylcostslinvolvedlinldru
gltherapy.lPharmacodynamicslinvolveslhowlaldruglaffectslthelbodylandlpharmacokinet
icslislhowlthelbodylactslonlthelbody.
2.
Alphysicianlhaslorderedlintramuscularl(IM)linjectionsloflmorphine,lalnarc
otic,leveryl4lhourslaslneededlforlpainlinlalmotorlvehiclelaccidentlvictim.lThel
nurselislawarelthisldruglhaslalhighlabuselpotential.lUnderlwhatlcategorylwou
ldlmorphinelbelclassified?
A) Schedulel I
B) SchedulelII
C) Schedulel III
D) SchedulelIV
ANSWER: B
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NarcoticslwithlalhighlabuselpotentiallarelclassifiedlaslSchedulelIIldrugslbeca
useloflsevereldependencelliability.lSchedulelIldrugslhavelhighlabuselpotentia
ll andlnolacceptedlmedicall use.lSchedulel IIIldrugslhavel al lesserlabuselpotent
iallthanlIIlandlanlacceptedlmedicalluse.lSchedulelIVldrugslhavellowlabuselpot
entiallandllimitedldependencelliability.
3.
WhenlinvolvedlinlphaselIIIldruglevaluationlstudies,lwhatlresponsibiliti
eslwouldlthelnurselhave?
A) Workinglwithl animalslwholarel givenl experimentall drugs
B) Choosingl appropriatel patientsl tolbel involvedl inl thel druglstudy
C) Monitoringlandl observinglpatientsl closelylforl adversel effects
D) Conductinglresearchl tol determinel effectivenessl ofl thel drug
ANSWER: C
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PhaselIIIlstudieslinvolveluseloflaldruglinlalvastlclinicallpopulationlinlwhichlp
atientslarelaskedltolrecordlanylsymptomsltheylexperiencelwhileltakingltheldr
ugs.lNurseslmaylbelresponsiblelforlhelpinglcollectlandlanalyzelthelinformati
onltolbelsharedlwithlthelFoodlandlDruglAdministrationl(FDA)lbutlwouldlnotl
conductlresearchlindependentlylbecauselnursesldolnotlprescribelmedication
s.lUseloflanimalslinldrugltestinglisldonelinlthelpreclinicalltrials.lSelectlpatient
slwholarelinvolvedlinlphaselIIlstudiesltolparticipatelinlstudieslwherelthelparti
cipantslhaveltheldiseaseltheldruglislintendedltoltreat.lTheselpatientslarelmoni
toredlcloselylforldruglactionlandladverseleffects.lPhaselIlstudieslinvolvelheal
thylhumanlvolunteerslwholarelusuallylpaidlforltheirlparticipation.lNurseslma
ylobservelforladverseleffectslandltoxicity.
4.
Whatlconceptlislconsideredlwhenlgenericldrugslarelsubstitutedlforlbran
dlnameldrugs?
A) Bioavailability
B) Criticall concentration
C) Distribution
D) Half-life
ANSWER: A
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