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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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,Chaptern1.nHistorynofn Pharmacology
PharmacologynClearnandnSimple-
nAnGuidentonDrugnClassificationsnandnDosagenCalculationsn4thn
EditionnWatkinsnTestnBank
1. An nursen workingn inn radiologyn administersn iodinen ton an patientn whon isn havingn ancomputednt
omographyn (CT)n scan.n Then nursen workingn onn then oncologyn unitnadministersnchemothera
pyn ton patientsn whon haven cancer.n Atn then Publicn HealthnDepartment,n an nursenadministersn a
n measles-mumps-rubellan (MMR)n vaccinenton an 14-month-
oldnchildn asn anroutinen immunization.n Whichnbranchn ofnpharmacologynbestn describesnthena
ctionsnofnallnthreennurses?
A) Pharmacoeconomics
B) Pharmacotherapeutics
C) Pharmacodynamics
D) Pharmacokinetics
ANSWER: B
Feedback:
Pharmacologyn isn then studyn ofn then biologicn effectsn ofn chemicals.n Nursesn areninvolvednwit
hn clinicaln pharmacologyn orn pharmacotherapeutics,n whichn isn anbranchn ofnpharmacologyn t
hatn dealsn withn then usesn ofn drugsn ton treat,n prevent,nandn diagnosen disease.nThen radiologyn nu
rsen isn administeringn an drugn ton helpndiagnosen an disease.n Then oncologynnursen isn administer
ingn an drugn ton helpn treatnan disease.n Pharmacoeconomicsn includesn anyncostsn involvedn inn d
rugn therapy.nPharmacodynamicsn involvesnhownandrugnaffectsn thenbodynandnpharmacokin
eticsnisnhownthenbodynactsnonnthenbody.
2.
An physiciann hasn orderedn intramuscularn (IM)n injectionsn ofn morphine,n annarc
otic,neveryn4n hoursn asn neededn forn painninnan motorn vehiclen accidentnvictim.n Th
en nursen isn awaren thisn drugn hasn an highn abusen potential.n Undern whatncategorynw
ouldnmorphinenbenclassified?
A) Schedulen I
B) Schedulen II
C) Schedulen III
D) Schedulen IV
ANSWER: B
, Feedback:
Narcoticsn withnanhighn abusen potentialnaren classifiednasn Schedulen IIndrugsnbecau
sen ofn severen dependencen liability.n Schedulen Indrugsn haven highn abusenpotentialn
andn non acceptedn medicaln use.n Schedulen IIIn drugsn haven an lessernabusen potential
n thann IIn andn ann acceptedn medicaln use.n Schedulen IVn drugsn havenlownabusenpoten
tialnandnlimitedn dependencenliability.
3.
Whenn involvedn inn phasen IIIn drugn evaluationn studies,n whatn responsibiliti
esnwouldnthennursenhave?
A) Workingn withn animalsn whon aren givenn experimentaln drugs
B) Choosingn appropriaten patientsn ton ben involvedn inn then drugn study
C) Monitoringn andn observingn patientsn closelyn forn adversen effects
D) Conductingn researchn ton determinen effectivenessn ofn then drug
ANSWER: C
Feedback:
Phasen IIIn studiesn involven usen ofn an drugn inn an vastn clinicaln populationn inn whichnp
atientsn aren askedn ton recordn anyn symptomsn theyn experiencen whilen takingn thendru
gs.n Nursesn maynben responsiblen forn helpingn collectn andn analyzen theninformation
n ton ben sharedn withn then Foodn andn Drugn Administrationn (FDA)n butnwouldn notn co
nductn researchn independentlyn becausen nursesn don notn prescribenmedications.n U
sen ofn animalsn inn drugn testingn isn donen inn then preclinicaln trials.nSelectn patientsn w
honaren involvedn inn phasen IIn studiesn ton participaten inn studiesnwheren then participa
ntsn haven then diseasen then drugn isn intendedn ton treat.n Thesenpatientsn aren monitored
n closelyn forn drugn actionn andn adversen effects.n Phasen Instudiesn involven healthyn h
umann volunteersn whon aren usuallynpaidn forn theirnparticipation.n Nursesnmaynobse
rven forn adverseneffectsn andntoxicity.
4.
Whatn conceptn isn consideredn whenn genericn drugsn aren substitutedn forn bran
dnnamendrugs?
A) Bioavailability
B) Criticaln concentration
C) Distribution
D) Half-life
ANSWER: A
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