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A Guide to Drug Classifications and Dosage Calculations,
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4th Edition by Cynthia J. Watkins
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Chapters 1 - 21
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,Chaptert1.tHistorytoft Pharmacology
PharmacologytCleartandtSimple-
tAtGuidettotDrugtClassificationstandtDosagetCalculationst4thtEditiontWatkinstTesttBank
1.
Atnurset workingt intradiologytadministerst iodinet totat patientt whotist havingt atcomputedt
tomographyt(CT)t scan.t Thet nurset workingtont thet oncologytunittadministerstchemothera
pyttot patientst whot havet cancer.t Att thet Publict HealthtDepartment,t at nursetadministerst at
measles-mumps-rubellat (MMR)t vaccinettotat14-month-
oldtchildtastatroutinetimmunization.tWhichtbranchtoftpharmacologytbesttdescribestthetact
ionstoftalltthreetnurses?
A) Pharmacoeconomics
B) Pharmacotherapeutics
C) Pharmacodynamics
D) Pharmacokinetics
ANSWER: B
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Pharmacologytistthet studyt oftthet biologicteffectstoftchemicals.t Nursestaretinvolvedtwitht
clinicalt pharmacologytort pharmacotherapeutics,t whicht istatbranchtoftpharmacologytthatt
dealstwitht thet usestoftdrugsttottreat,t prevent,tandtdiagnoset disease.tThet radiologytnurset is
t administeringt at drugt tot helptdiagnoset at disease.t Thet oncologytnurset ist administeringt at d
rugttot helpt treattat disease.t Pharmacoeconomicst includest anytcostst involvedt int drugt thera
py.tPharmacodynamicstinvolvesthowtatdrugtaffectstthetbodytandtpharmacokineticstistho
wtthetbodytactstontthetbody.
2.
Atphysicianthastorderedtintramusculart(IM)tinjectionstoftmorphine,tatnarco
tic,teveryt4thourstastneededtfortpaintintatmotortvehicletaccidenttvictim.tThet n
urset istawaret thistdrugthast at hightabuset potential.tUndert whattcategorytwouldt
morphinetbetclassified?
A) ScheduletI
B) ScheduletII
C) ScheduletIII
D) ScheduletIV
ANSWER: B
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NarcoticstwithtathightabusetpotentialtaretclassifiedtastScheduletIItdrugstbecaus
etoftseveret dependencetliability.t Schedulet Itdrugsthavethight abusetpotentialt an
dt notacceptedt medicalt use.t Schedulet IIIt drugst havet at lessertabuset potentialt tha
nt IItandt ant acceptedt medicalt use.t Schedulet IVt drugst havetlowtabusetpotentialta
ndtlimitedtdependencetliability.
3.
Whent involvedt int phaset IIIt drugt evaluationt studies,t whatt responsibilitiest
wouldtthetnursethave?
A) Workingtwitht animalst whot aret givent experimentalt drugs
B) Choosingt appropriatet patientst totbet involvedt int thet drugt study
C) Monitoringt andt observingt patientst closelyt fort adverset effects
D) Conductingt researcht tot determinet effectivenesst oft thet drug
ANSWER: C
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Phaset IIItstudiestinvolvet usetoftat drugtint at vastt clinicalt populationtintwhichtpati
entstaretaskedt tot recordt anyt symptomst theytexperiencet whilet takingt thetdrugs.t
Nursestmaytbetresponsibletforthelpingtcollecttandtanalyzetthetinformationt tot b
etsharedtwithtthetFoodt andt Drugt Administrationt (FDA)t buttwouldt nott conductt
researcht independentlytbecauset nursest dot nott prescribetmedications.t Uset oftan
imalst intdrugttestingtist donetintthet preclinicalt trials.tSelectt patientstwhotaretinv
olvedtintphaset IItstudiesttotparticipatetintstudiestwheretthet participantst havetth
et diseaset thetdrugtistintendedttottreat.t Thesetpatientstaretmonitoredtcloselyt fort
drugtactiontandtadverset effects.t Phaset Itstudiestinvolvethealthythumantvolunte
erstwhotaretusuallytpaidtfort theirtparticipation.tNursestmaytobservetfortadverse
t effectst andttoxicity.
4.
Whatt conceptt istconsideredt whent generict drugst aret substitutedt fort brandt
nametdrugs?
A) Bioavailability
B) Criticalt concentration
C) Distribution
D) Half-life
ANSWER: A
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