NR565 PHARMACOLOGY FINAL EXAM
QUESTIONS WITH CORRECT ANSWERS 2025
SignsRandRsymptomsRofRhypothyroidismR-RCORRECTRANSWERR-FaceRisRpale,Rpuffy,RandRexpressionless.
SkinRisRcoldRandRdry.R
hairRisRbrittle,RandRhairRlossRoccurs.R
HeartRrateRandRtemperatureRareRlowered.RTheRpatientRlethargy,Rfatigue,RandRintoleranceRtoRcold.R
MentationRmayRbeRimpaired.
SignsRandRsymptomsRofRhyperthyroidismR-RCORRECTRANSWERR-
HeartRRateRisRRapid;RPossibleRarrhythmia/angina
Nervousness,Rinsomnia,RrapidRthoughtRflow,RandRrapidRspeech
SkeletalRmusclesRmayRweakenRandRatrophy
MetabolicRrateRisRraised,RresultingRinRincreasedRheatRproduction,RincreasedRbodyRtemperature,Rintoleranc
eRtoRheat,RandRskinRthatRisRwarmRandRmoist
WeightRlossRoccursRifRcaloricRintakeRfailsRtoRmatchRtheRincreaseRinRmetabolicRrate
SevereRhypothyroidismR-RCORRECTRANSWERR-Myxedema
HypothyroidRTreatmentR-RCORRECTRANSWERR-
LevothyroxineRisRtheRdrugRofRchoiceRforRmostRpatientsRwhoRrequireRthyroidRhormoneRreplacement.
LevothyroxineR(Synthroid)RTherapeuticRGoalR-RCORRECTRANSWERR-
ResolutionRofRsignsRandRsymptomsRofRhypothyroidismRandRrestorationRofRnormalRlaboratoryRvaluesRforRser
umRthyroid-stimulatingRhormoneR(TSH)RandRfreeRthyroxineR(T4).
MajorRformsRofRhyperthyroidismR-RCORRECTRANSWERR-
GravesRdiseaseRandRtoxicRnodularRgoiterR(alsoRknownRasRPlummerRdisease).
GravesRDiseaseR-RCORRECTRANSWERR-MostRcommonRcauseRofRexcessiveRthyroidRhormoneRsecretion
,WhatRadjunctiveRtherapyRisRgoodRtoRprescribeRtoRcontrolRsymptomsRofRhyperthyroidismRotherRthanRthyroi
dRspecificRmedications?R-RCORRECTRANSWERR-β-
BlockersRandRnonradioactiveRiodineRmayRbeRusedRasRadjunctiveRtherapy.R
β-BlockersRsuppressRtachycardiaRbyRblockingRβ-receptorsRonRtheRheart.R
NonradioactiveRiodineRinhibitsRsynthesisRandRreleaseRofRthyroidRhormones.
MonitoringRneedsRandRintervalsRforRLevothyroxineR-RCORRECTRANSWERR-CheckRTSHR6-
8RweeksRafterRinitiatingRtherapyRandRafterRanyRdosageRchange.R
CheckRTSHRatRleastRonceRaRyearRafterRserumRTSHRisRstabilized.
HyperthyroidRTreatmentR-RCORRECTRANSWERR-thionamideRdrugs—
methimazoleRandRpropylthiouracilR(PTU)—suppressRsynthesisRofRthyroidRhormones.
MethimazoleRTherapeuticRGoalR-RCORRECTRANSWERR-
(1)RreductionRofRthyroidRhormoneRproductionRinRGraves'Rdisease,R(2)RcontrolRofRhyperthyroidismRuntilRtheR
effectsRofRradiationRonRtheRthyroidRbecomeRmanifest,R(3)RsuppressionRofRthyroidRhormoneRproductionRbef
oreRsubtotalRthyroidectomy,R(4)RtreatmentRofRthyrotoxicRcrisis.
MonitoringRneedsRandRintervalsRforRMethimazoleR-RCORRECTRANSWERR-
CheckRCBCRwithRdifferentialRifRsignsRorRsymptomsRofRinfection.RCheckRLFTsRifRsignsRorRsymptomsRofRliverRdy
sfunction.
HighRRiskRPatientsRforRMethimazoleR-RCORRECTRANSWERR-
ShouldRbeRavoidedRinRtheRfirstRtrimesterRofRpregnancy.
MethimazoleRToxicityR-RCORRECTRANSWERR-AgranulocytosisRisRtheRmostRdangerousRtoxicity.
PTURHighRRiskRWarningR-RCORRECTRANSWERR-
CarriesRaRriskRforRliverRtoxicity.RAlthoughRrare,RtheRFDARrecommendsRagainstRusingRasRaRfirst-
lineRtreatmentRdueRtoRpotentialRforRhepaticRtoxicity.
EffectsRofRmaternalRhypothyroidismRonRoffspringRandRappropriateRpatientRteachingRrelatedRtoRneedRforRtre
atment.R-RCORRECTRANSWERR-
CanRcauseRdelayRinRmentalRdevelopmentRandRderangementRofRgrowth.RInRtheRabsenceRofRthyroidRhormon
,es,RtheRchildRdevelopsRaRlargeRandRprotrudingRtongue,Rpotbelly,RandRdwarfishRstature.RDevelopmentRofRth
eRnervousRsystem,Rbones,Rteeth,RandRmusclesRisRimpaired.
CongenitalRHypothyroidismRTreatmentR-RCORRECTRANSWERR-
requiresRreplacementRtherapyRwithRthyroidRhormones.RIfRtreatmentRisRinitiatedRwithinRaRfewRdaysRofRbirth,
RphysicalRandRmentalRdevelopmentRwillRbeRnormal.
replacementRtherapyRshouldRcontinueRforR3Ryears,RafterRwhichRitRshouldRbeRstoppedRforR4RweeksRtoRdeter
mineRwhetherRthyroidRdeficiencyRisRpermanentRorRtransient.
PatientRTeachingRforRMethimazoleR-RCORRECTRANSWERR-
TellRyourRhealthcareRprovidersRthatRyouRareRtakingRthisRdrug.R
CheckRbloodRworkRasRdirected.
TakingRthisRdrugRmayRcauseRharmRtoRtheRunbornRbabyRifRyouRareRpregnant,RespeciallyRinRtheRfirstRtrimester.
IfRyouRareRpregnantRorRbecomeRpregnantRwhileRtakingRthisRdrug,RcallRyourRhealthcareRproviderRrightRaway.
TellRyourRhealthcareRproviderRifRyouRareRbreast-feedingRtoRdiscussRrisksRtoRtheRbaby.
HaveRyourRbaby'sRthyroidRcheckedRifRyouRareRusingRthisRdrugRandRbreast-feeding.
AgranulocytosisRisRtheRmostRdangerousRtoxicityRriskRforRthisRmedicationRbutRisRveryRrare.RSoreRthroatRandRf
everRshouldRbeRreportedRimmediately.R
PatientRTeachingRforRLevothyroxineR-RCORRECTRANSWERR-
worksRbestRifRyouRtakeRitRonRanRemptyRstomach,R30RtoR60RminutesRbeforeRbreakfast.
takeRtheRmedicineRatRtheRsameRtimeReachRday.
IdealRHbA1CRgoalRforRdiabetic,Rnon-pregnantRadultsR-RCORRECTRANSWERR-lessRthanR7%.
HbA1CR8%R-RCORRECTRANSWERR-
historyRofRsevereRhypoglycemia,RlimitedRlifeRexpectancy,RorRadvancedRmicrovascularRorRmacrovascularRco
mplications
HBA1CRValueRconsideredRdiagnosticRofRdiabetes.R-RCORRECTRANSWERR-aRvalueRofR6.5%RorRgreater
, HbA1CRMeasuringRIntervalR-RCORRECTRANSWERR-
everyR3RmonthsRuntilRvalueRisR<7%;ReveryR6RmonthsRthereafter
HbA1CRGoalRforROlderRAdultsR-RCORRECTRANSWERR-
<7.5%R[58Rmmol/mol]),RwhileRthoseRwithRmultipleRcoexistingRchronicRillnesses,RcognitiveRimpairment,RorRf
unctionalRdependenceRshouldRhaveRlessRstringentRglycemicRgoalsR(suchRasRA1CR<8.0-8.5%R[64-
69Rmmol/mol]).
CriteriaRforRtheRDiagnosisRofRDiabetesRMellitusR-RCORRECTRANSWERR--FastingRplasmaRglucoseR≥126Rmg/dL
-RandomRplasmaRglucoseR≥R200Rmg/dLRplusRsymptomsRofRdiabetes
-OralRglucoseRtoleranceRtestR(OGTT):R2-hRplasmaRglucoseR≥200Rmg/dLcor
-HemoglobinRA1cR6.5%RorRhigher
T1DMREtiologyRandRMOAR-RCORRECTRANSWERR-AutoimmuneRprocess;RLossRofRpancreaticRβRcells;
T2DMREtiologyRandRMOAR-RCORRECTRANSWERR-Unknown—
butRthereRisRaRstrongRfamilialRassociation,RsuggestingRthatRheredityRisRaRriskRfactor;RInsulinRresistanceRandRi
nappropriateRinsulinRsecretion
theRtotalRdailyRdoseR(TDD)RofRinsulinRcalculationR-RCORRECTRANSWERR-
totalRweightRofRtheRpatientRinRkilogramsR(kg),RmultipliedRbyR0.6Runits
BasalRinsulinRreplacementR-RCORRECTRANSWERR-
50%RofRtheRtotalRdailyRinsulinRdoseRwhichRreplacesRinsulinRfromRfastingR(overnight)RandRbetweenRmeals.
BolusRinsulinRreplacementR-RCORRECTRANSWERR-
50%RofRtheRtotalRdailyRinsulinRdoseRandRprovidesRcarbohydrateRcoverageRandRhighRbloodRsugarRcorrection.
BiguanidesRDrugRClassR-RCORRECTRANSWERR-Metformin
MetforminR-RCORRECTRANSWERR-
DecreasesRglucoseRproductionRbyRtheRliverR(glucogenesis),RincreasesRtissueRresponseRtoRinsulin;R
QUESTIONS WITH CORRECT ANSWERS 2025
SignsRandRsymptomsRofRhypothyroidismR-RCORRECTRANSWERR-FaceRisRpale,Rpuffy,RandRexpressionless.
SkinRisRcoldRandRdry.R
hairRisRbrittle,RandRhairRlossRoccurs.R
HeartRrateRandRtemperatureRareRlowered.RTheRpatientRlethargy,Rfatigue,RandRintoleranceRtoRcold.R
MentationRmayRbeRimpaired.
SignsRandRsymptomsRofRhyperthyroidismR-RCORRECTRANSWERR-
HeartRRateRisRRapid;RPossibleRarrhythmia/angina
Nervousness,Rinsomnia,RrapidRthoughtRflow,RandRrapidRspeech
SkeletalRmusclesRmayRweakenRandRatrophy
MetabolicRrateRisRraised,RresultingRinRincreasedRheatRproduction,RincreasedRbodyRtemperature,Rintoleranc
eRtoRheat,RandRskinRthatRisRwarmRandRmoist
WeightRlossRoccursRifRcaloricRintakeRfailsRtoRmatchRtheRincreaseRinRmetabolicRrate
SevereRhypothyroidismR-RCORRECTRANSWERR-Myxedema
HypothyroidRTreatmentR-RCORRECTRANSWERR-
LevothyroxineRisRtheRdrugRofRchoiceRforRmostRpatientsRwhoRrequireRthyroidRhormoneRreplacement.
LevothyroxineR(Synthroid)RTherapeuticRGoalR-RCORRECTRANSWERR-
ResolutionRofRsignsRandRsymptomsRofRhypothyroidismRandRrestorationRofRnormalRlaboratoryRvaluesRforRser
umRthyroid-stimulatingRhormoneR(TSH)RandRfreeRthyroxineR(T4).
MajorRformsRofRhyperthyroidismR-RCORRECTRANSWERR-
GravesRdiseaseRandRtoxicRnodularRgoiterR(alsoRknownRasRPlummerRdisease).
GravesRDiseaseR-RCORRECTRANSWERR-MostRcommonRcauseRofRexcessiveRthyroidRhormoneRsecretion
,WhatRadjunctiveRtherapyRisRgoodRtoRprescribeRtoRcontrolRsymptomsRofRhyperthyroidismRotherRthanRthyroi
dRspecificRmedications?R-RCORRECTRANSWERR-β-
BlockersRandRnonradioactiveRiodineRmayRbeRusedRasRadjunctiveRtherapy.R
β-BlockersRsuppressRtachycardiaRbyRblockingRβ-receptorsRonRtheRheart.R
NonradioactiveRiodineRinhibitsRsynthesisRandRreleaseRofRthyroidRhormones.
MonitoringRneedsRandRintervalsRforRLevothyroxineR-RCORRECTRANSWERR-CheckRTSHR6-
8RweeksRafterRinitiatingRtherapyRandRafterRanyRdosageRchange.R
CheckRTSHRatRleastRonceRaRyearRafterRserumRTSHRisRstabilized.
HyperthyroidRTreatmentR-RCORRECTRANSWERR-thionamideRdrugs—
methimazoleRandRpropylthiouracilR(PTU)—suppressRsynthesisRofRthyroidRhormones.
MethimazoleRTherapeuticRGoalR-RCORRECTRANSWERR-
(1)RreductionRofRthyroidRhormoneRproductionRinRGraves'Rdisease,R(2)RcontrolRofRhyperthyroidismRuntilRtheR
effectsRofRradiationRonRtheRthyroidRbecomeRmanifest,R(3)RsuppressionRofRthyroidRhormoneRproductionRbef
oreRsubtotalRthyroidectomy,R(4)RtreatmentRofRthyrotoxicRcrisis.
MonitoringRneedsRandRintervalsRforRMethimazoleR-RCORRECTRANSWERR-
CheckRCBCRwithRdifferentialRifRsignsRorRsymptomsRofRinfection.RCheckRLFTsRifRsignsRorRsymptomsRofRliverRdy
sfunction.
HighRRiskRPatientsRforRMethimazoleR-RCORRECTRANSWERR-
ShouldRbeRavoidedRinRtheRfirstRtrimesterRofRpregnancy.
MethimazoleRToxicityR-RCORRECTRANSWERR-AgranulocytosisRisRtheRmostRdangerousRtoxicity.
PTURHighRRiskRWarningR-RCORRECTRANSWERR-
CarriesRaRriskRforRliverRtoxicity.RAlthoughRrare,RtheRFDARrecommendsRagainstRusingRasRaRfirst-
lineRtreatmentRdueRtoRpotentialRforRhepaticRtoxicity.
EffectsRofRmaternalRhypothyroidismRonRoffspringRandRappropriateRpatientRteachingRrelatedRtoRneedRforRtre
atment.R-RCORRECTRANSWERR-
CanRcauseRdelayRinRmentalRdevelopmentRandRderangementRofRgrowth.RInRtheRabsenceRofRthyroidRhormon
,es,RtheRchildRdevelopsRaRlargeRandRprotrudingRtongue,Rpotbelly,RandRdwarfishRstature.RDevelopmentRofRth
eRnervousRsystem,Rbones,Rteeth,RandRmusclesRisRimpaired.
CongenitalRHypothyroidismRTreatmentR-RCORRECTRANSWERR-
requiresRreplacementRtherapyRwithRthyroidRhormones.RIfRtreatmentRisRinitiatedRwithinRaRfewRdaysRofRbirth,
RphysicalRandRmentalRdevelopmentRwillRbeRnormal.
replacementRtherapyRshouldRcontinueRforR3Ryears,RafterRwhichRitRshouldRbeRstoppedRforR4RweeksRtoRdeter
mineRwhetherRthyroidRdeficiencyRisRpermanentRorRtransient.
PatientRTeachingRforRMethimazoleR-RCORRECTRANSWERR-
TellRyourRhealthcareRprovidersRthatRyouRareRtakingRthisRdrug.R
CheckRbloodRworkRasRdirected.
TakingRthisRdrugRmayRcauseRharmRtoRtheRunbornRbabyRifRyouRareRpregnant,RespeciallyRinRtheRfirstRtrimester.
IfRyouRareRpregnantRorRbecomeRpregnantRwhileRtakingRthisRdrug,RcallRyourRhealthcareRproviderRrightRaway.
TellRyourRhealthcareRproviderRifRyouRareRbreast-feedingRtoRdiscussRrisksRtoRtheRbaby.
HaveRyourRbaby'sRthyroidRcheckedRifRyouRareRusingRthisRdrugRandRbreast-feeding.
AgranulocytosisRisRtheRmostRdangerousRtoxicityRriskRforRthisRmedicationRbutRisRveryRrare.RSoreRthroatRandRf
everRshouldRbeRreportedRimmediately.R
PatientRTeachingRforRLevothyroxineR-RCORRECTRANSWERR-
worksRbestRifRyouRtakeRitRonRanRemptyRstomach,R30RtoR60RminutesRbeforeRbreakfast.
takeRtheRmedicineRatRtheRsameRtimeReachRday.
IdealRHbA1CRgoalRforRdiabetic,Rnon-pregnantRadultsR-RCORRECTRANSWERR-lessRthanR7%.
HbA1CR8%R-RCORRECTRANSWERR-
historyRofRsevereRhypoglycemia,RlimitedRlifeRexpectancy,RorRadvancedRmicrovascularRorRmacrovascularRco
mplications
HBA1CRValueRconsideredRdiagnosticRofRdiabetes.R-RCORRECTRANSWERR-aRvalueRofR6.5%RorRgreater
, HbA1CRMeasuringRIntervalR-RCORRECTRANSWERR-
everyR3RmonthsRuntilRvalueRisR<7%;ReveryR6RmonthsRthereafter
HbA1CRGoalRforROlderRAdultsR-RCORRECTRANSWERR-
<7.5%R[58Rmmol/mol]),RwhileRthoseRwithRmultipleRcoexistingRchronicRillnesses,RcognitiveRimpairment,RorRf
unctionalRdependenceRshouldRhaveRlessRstringentRglycemicRgoalsR(suchRasRA1CR<8.0-8.5%R[64-
69Rmmol/mol]).
CriteriaRforRtheRDiagnosisRofRDiabetesRMellitusR-RCORRECTRANSWERR--FastingRplasmaRglucoseR≥126Rmg/dL
-RandomRplasmaRglucoseR≥R200Rmg/dLRplusRsymptomsRofRdiabetes
-OralRglucoseRtoleranceRtestR(OGTT):R2-hRplasmaRglucoseR≥200Rmg/dLcor
-HemoglobinRA1cR6.5%RorRhigher
T1DMREtiologyRandRMOAR-RCORRECTRANSWERR-AutoimmuneRprocess;RLossRofRpancreaticRβRcells;
T2DMREtiologyRandRMOAR-RCORRECTRANSWERR-Unknown—
butRthereRisRaRstrongRfamilialRassociation,RsuggestingRthatRheredityRisRaRriskRfactor;RInsulinRresistanceRandRi
nappropriateRinsulinRsecretion
theRtotalRdailyRdoseR(TDD)RofRinsulinRcalculationR-RCORRECTRANSWERR-
totalRweightRofRtheRpatientRinRkilogramsR(kg),RmultipliedRbyR0.6Runits
BasalRinsulinRreplacementR-RCORRECTRANSWERR-
50%RofRtheRtotalRdailyRinsulinRdoseRwhichRreplacesRinsulinRfromRfastingR(overnight)RandRbetweenRmeals.
BolusRinsulinRreplacementR-RCORRECTRANSWERR-
50%RofRtheRtotalRdailyRinsulinRdoseRandRprovidesRcarbohydrateRcoverageRandRhighRbloodRsugarRcorrection.
BiguanidesRDrugRClassR-RCORRECTRANSWERR-Metformin
MetforminR-RCORRECTRANSWERR-
DecreasesRglucoseRproductionRbyRtheRliverR(glucogenesis),RincreasesRtissueRresponseRtoRinsulin;R