PHARMACOLOGY EXAM 1 - MULTIPLE
CHOICE QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES 2026
1. xzThe xzstudy xzof xzdrug xzabsorption, xzdistribution, xzmetabolism, xzand xzexcretion xzis
xzknown xzas xz
A. xzpharmacotherapeutics
B. xzpharmacodynamics
C. xzpharmacokinetics
D. xzpharmacy
E. xzposology xz- xzANSWERS-C
2. xzThe xzmedical xzsituation xzwhen xza xzparticular xzdrug xzshould xznot xzbe xzadministered
xzis xzreferred xzto xzas
A. xzside xzeffect
B. xzadverse xzeffect
C. xzdrug xzallergy
D. xzcontraindication
E. xzantagonism xz- xzANSWERS-D
3. xzAn xzunusual xzor xzunexpected xzdrug xzreaction xzby xzan xzindividual xzis xzknown xzas
A. xztoxic xzeffect
B. xzantagonism
C. xzidiosyncrasy
D. xzside xzeffect
E. xzdrug xzallergy xz- xzANSWERS-C
4. xzThe xzproprietary xzdrug xzname xzsupplied xzby xza xzpharmaceutical xzcompany xzis xzalso
xzreferred xzto xzas xzthe
A. xzgeneric xzname
B. xzover-the-counter xzname
C. xztrade xzname
D. xzchemical xzname
E. xznone xzof xzthese xz- xzANSWERS-C
5. xzThe xztime xzfrom xzdrug xzadministration xzto xzthe xzfirst xzobservable xzdrug xzeffect xzis
xzknown xzas xzthe xz
A. xzduration xzof xzaction
B. xzonset xzof xzaction
C. xzceiling xzeffect
D. xzmaximal xzresponse
E. xzceiling xzeffect xz- xzANSWERS-B
,6. xzA xzdrug xzthat xzhas xzthe xzpotential xzfor xzabuse xzand xzis xzregulated xzby xzthe xzDrug
xzEnforcement xzAgency xzis xzclassified xzas xza xz
A. xzpoison
B. xzOTC xzdrug
C. xzprescription xzdrug
D. xzcontrolled xzsubstance
E. xznonproprietary xzdrug xz- xzANSWERS-D
7. xzSelect xzthe xzterm xzbelow xzthat xzrelates xzto xzthe xzamount xzof xzdrug xzadministered xzto
xzproduce xza xztherapeutic xzeffect. xz
A. xzposology
B. xztoxicology
C. xzpharmacodynamics
D. xzpharmacotherapeutics
E. xzpharmacy xz- xzANSWERS-A
8. xzA xzmedication xzthat xzdoes xznot xzrequire xza xzphysician's xzservice xzto xzobtain xzis
xzreferred xzto xzas xz
A. xztrade
B. xznonproprietary
C. xznonprescription
D. xzbrand
E. xzgeneric xz- xzANSWERS-C
9. xzWhich xzof xzthe xzfollowing xzcould xzbe xzcategorized xzas xzan xzadverse xzreaction? xz
A. xzidiosyncrasy
B. xzdrug xzallergy
C. xzteratogenicity
D. xzcarcinogenicity
E. xzall xzof xzthese xz- xzANSWERS-E
10. xzThe xztime xza xzdrug xzcontinues xzto xzproduce xzits xzeffect xzis xzits
A. xzED50
B. xzmaximal xzresponse
C. xzceiling xzeffect
D. xzonset xzof xzaction
E. xzduration xzof xzaction xz- xzANSWERS-E
. xzThe xzdrug xzadministration xzroute xzdemonstrating xzthe xzslowest xzonset xzof xzaction xzis
A. xzinhalation
B. xztransdermal
C. xzintramuscular
D. xzsublingual
E. xzintravenous xz- xzANSWERS-B
In xzorder xzfor xzdrugs xzto xzcross xzthe xzblood-brain xzbarrier, xzthey xzmust xzbe
A. xzionized
B. xzpositively xzcharged
C. xzwater xzsoluble
D. xzlipid xzsoluble
, E. xznegatively xzcharged xz- xzANSWERS-D
13. xzFirst-pass xzmetabolism xzrefers xzto xzthe xzmetabolism xzof xzdrugs xzin xzthe
A. xzkidney
B. xzblood xzvessels
C. xzliver
D. xzheart
E. xzadipose xztissue xz- xzANSWERS-C
14. xzDrug xzX xzhas xza xzhalf-life xzof xz6 xzhours. xzHow xzmuch xzdrug xzis xzleft xzin xzthe xzbody
xz18 xzhours xzafter xzan xzIV xzinjection xzof xz1200 xzmilligrams xz(mg)? xz- xzANSWERS-B
15. xzDrugs xzthat xzhave xzdemonstrated xzteratogenic xzeffects xzin xzwomen xzare
xzclassified xzas xzPregnancy xzCategory xz
A. xzB
B. xzC
C. xzD
D. xzX
E. xzNR xz- xzANSWERS-D= xzx
16. xzWhen xza xzdrug xzincreases xzthe xzrate xzof xzdrug xzmetabolism xzof xzother xzdrugs, xzthe
xzprocess xzis xztermed
A. xzfirst-pass xzmetabolism
B. xzenzyme xzinduction
C. xzenzyme xzinhibition
D. xzenterohepatic xzcycling
E. xzmicrosomal xzinhibition xz- xzANSWERS-B
17. xzThe xzrate xzof xzdrug xzabsorption xzwould xzbe xzincreased xzby xzwhich xzof xzthe
xzfollowing?
A. xzdrug xzionization
B. xzwater xzsolubility
C. xzpositively xzcharged xzdrug
D. xznegatively xzcharged xzdrug
E. xzlipid xzsolubility xz- xzANSWERS-E
18. xzWhich xzfactor xzof xzindividual xzvariation xzis xzdependent xzupon xzthe xzpatient's
xzattitude xztoward xztreatment?
A. xzweight
B. xzage
C. xzgenetic xzvariation
D. xzplacebo xzeffect
E. xzgender xz- xzANSWERS-D
19. xzWhich xzFDA xzpregnancy xzcategory xzwould xzappear xzto xzbe xzthe xzsafest xzfor xza
xzdeveloping xzfetus?
A. xzCategory xzA
B. xzCategory xzB
C. xzCategory xzC
D. xzCategory xzD
CHOICE QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES 2026
1. xzThe xzstudy xzof xzdrug xzabsorption, xzdistribution, xzmetabolism, xzand xzexcretion xzis
xzknown xzas xz
A. xzpharmacotherapeutics
B. xzpharmacodynamics
C. xzpharmacokinetics
D. xzpharmacy
E. xzposology xz- xzANSWERS-C
2. xzThe xzmedical xzsituation xzwhen xza xzparticular xzdrug xzshould xznot xzbe xzadministered
xzis xzreferred xzto xzas
A. xzside xzeffect
B. xzadverse xzeffect
C. xzdrug xzallergy
D. xzcontraindication
E. xzantagonism xz- xzANSWERS-D
3. xzAn xzunusual xzor xzunexpected xzdrug xzreaction xzby xzan xzindividual xzis xzknown xzas
A. xztoxic xzeffect
B. xzantagonism
C. xzidiosyncrasy
D. xzside xzeffect
E. xzdrug xzallergy xz- xzANSWERS-C
4. xzThe xzproprietary xzdrug xzname xzsupplied xzby xza xzpharmaceutical xzcompany xzis xzalso
xzreferred xzto xzas xzthe
A. xzgeneric xzname
B. xzover-the-counter xzname
C. xztrade xzname
D. xzchemical xzname
E. xznone xzof xzthese xz- xzANSWERS-C
5. xzThe xztime xzfrom xzdrug xzadministration xzto xzthe xzfirst xzobservable xzdrug xzeffect xzis
xzknown xzas xzthe xz
A. xzduration xzof xzaction
B. xzonset xzof xzaction
C. xzceiling xzeffect
D. xzmaximal xzresponse
E. xzceiling xzeffect xz- xzANSWERS-B
,6. xzA xzdrug xzthat xzhas xzthe xzpotential xzfor xzabuse xzand xzis xzregulated xzby xzthe xzDrug
xzEnforcement xzAgency xzis xzclassified xzas xza xz
A. xzpoison
B. xzOTC xzdrug
C. xzprescription xzdrug
D. xzcontrolled xzsubstance
E. xznonproprietary xzdrug xz- xzANSWERS-D
7. xzSelect xzthe xzterm xzbelow xzthat xzrelates xzto xzthe xzamount xzof xzdrug xzadministered xzto
xzproduce xza xztherapeutic xzeffect. xz
A. xzposology
B. xztoxicology
C. xzpharmacodynamics
D. xzpharmacotherapeutics
E. xzpharmacy xz- xzANSWERS-A
8. xzA xzmedication xzthat xzdoes xznot xzrequire xza xzphysician's xzservice xzto xzobtain xzis
xzreferred xzto xzas xz
A. xztrade
B. xznonproprietary
C. xznonprescription
D. xzbrand
E. xzgeneric xz- xzANSWERS-C
9. xzWhich xzof xzthe xzfollowing xzcould xzbe xzcategorized xzas xzan xzadverse xzreaction? xz
A. xzidiosyncrasy
B. xzdrug xzallergy
C. xzteratogenicity
D. xzcarcinogenicity
E. xzall xzof xzthese xz- xzANSWERS-E
10. xzThe xztime xza xzdrug xzcontinues xzto xzproduce xzits xzeffect xzis xzits
A. xzED50
B. xzmaximal xzresponse
C. xzceiling xzeffect
D. xzonset xzof xzaction
E. xzduration xzof xzaction xz- xzANSWERS-E
. xzThe xzdrug xzadministration xzroute xzdemonstrating xzthe xzslowest xzonset xzof xzaction xzis
A. xzinhalation
B. xztransdermal
C. xzintramuscular
D. xzsublingual
E. xzintravenous xz- xzANSWERS-B
In xzorder xzfor xzdrugs xzto xzcross xzthe xzblood-brain xzbarrier, xzthey xzmust xzbe
A. xzionized
B. xzpositively xzcharged
C. xzwater xzsoluble
D. xzlipid xzsoluble
, E. xznegatively xzcharged xz- xzANSWERS-D
13. xzFirst-pass xzmetabolism xzrefers xzto xzthe xzmetabolism xzof xzdrugs xzin xzthe
A. xzkidney
B. xzblood xzvessels
C. xzliver
D. xzheart
E. xzadipose xztissue xz- xzANSWERS-C
14. xzDrug xzX xzhas xza xzhalf-life xzof xz6 xzhours. xzHow xzmuch xzdrug xzis xzleft xzin xzthe xzbody
xz18 xzhours xzafter xzan xzIV xzinjection xzof xz1200 xzmilligrams xz(mg)? xz- xzANSWERS-B
15. xzDrugs xzthat xzhave xzdemonstrated xzteratogenic xzeffects xzin xzwomen xzare
xzclassified xzas xzPregnancy xzCategory xz
A. xzB
B. xzC
C. xzD
D. xzX
E. xzNR xz- xzANSWERS-D= xzx
16. xzWhen xza xzdrug xzincreases xzthe xzrate xzof xzdrug xzmetabolism xzof xzother xzdrugs, xzthe
xzprocess xzis xztermed
A. xzfirst-pass xzmetabolism
B. xzenzyme xzinduction
C. xzenzyme xzinhibition
D. xzenterohepatic xzcycling
E. xzmicrosomal xzinhibition xz- xzANSWERS-B
17. xzThe xzrate xzof xzdrug xzabsorption xzwould xzbe xzincreased xzby xzwhich xzof xzthe
xzfollowing?
A. xzdrug xzionization
B. xzwater xzsolubility
C. xzpositively xzcharged xzdrug
D. xznegatively xzcharged xzdrug
E. xzlipid xzsolubility xz- xzANSWERS-E
18. xzWhich xzfactor xzof xzindividual xzvariation xzis xzdependent xzupon xzthe xzpatient's
xzattitude xztoward xztreatment?
A. xzweight
B. xzage
C. xzgenetic xzvariation
D. xzplacebo xzeffect
E. xzgender xz- xzANSWERS-D
19. xzWhich xzFDA xzpregnancy xzcategory xzwould xzappear xzto xzbe xzthe xzsafest xzfor xza
xzdeveloping xzfetus?
A. xzCategory xzA
B. xzCategory xzB
C. xzCategory xzC
D. xzCategory xzD
