DH OSCE Review Questions with Correct Answers 2025

DH OSCE Review Questions with Correct
Answers 2025
WhatBareBtheB6BmodesBofBdiseaseBtransmission?B-BCORRECTBANSWERB-
Direct:BContactBfromBpatient'sBmouthBtoBnonBintactBskin.

Indirect:BContactBwithBcontaminatedBitems.

Aerosols:BHighBspeed/Ultrasonic

Droplet:BFromBspatterBthatBcontactsBnonBintactBskin.

Airborne:BInhalationBofBcontaminatedBaerosols.

Waterborn:BInfectionBfromBwaterlines.



MariaBisBairBpolishingBherBpatient'sBteeth.BTheBofficeBisBwarmBandBtheBairBconditioningBisBnotBworki
ng,BsoBMariaBoptsBtoBnotBwearBherBfaceBshieldBorBfaceBmask.BTwoBweeksBlater,BvesiclesBbreakBoutBa
llBoverBherBskin,BwhichBareBdiagnosedBasBchickenpox.



WhatBisBtheBmodeBofBdiseaseBtransmission?B-BCORRECTBANSWERB-DropletBinfection



HepatitisBA:

ModeBofBtransmissionB-BCORRECTBANSWERB-Fecal/Oral



HepatitisBB:

ModeBofBtransmissionB-BCORRECTBANSWERB-Blood,Bsaliva,BallBbodilyBfluids



HepatitisBC:

ModeBofBtransmissionB-BCORRECTBANSWERB-Blood,Bsaliva,BallBbodilyBfluids



HepatitisBD:

ModeBofBtransmissionB-BCORRECTBANSWERB-Blood,Bsaliva,BallBbodilyBfluids

,NEEDSBBBTOBHAVEBD

"can'tBhaveBtheBDBw/oBboobs"



HepatitisBE:

ModeBofBtransmissionB-BCORRECTBANSWERB-Fecal/Oral



Hepatitis:

RiskBofBtransmissionBisBdependentBon:B-BCORRECTBANSWERB-Virulency

QuantityB(levelBofBexposure)

HostBimmuneBresponse.



WhatBtreatmentBconsiderationsBdoByouBtakeBintoBconsiderationBwhenByouBhaveBaBpatientBwhoBha
sBaBhistoryBofBhep?B-BCORRECTBANSWERB-
MDBifBnotBclearBofBstatusBandBtoBdetermineBliverBdysfunctionBifBliverBaffected,BminimizeBdrugsBmet
abolizedBinBliver,BmonitorBprothrombinBtimeB(INR),BplateletBcount,BuseBstandardBprecautions



Post-exposureBprotocolB(ifBweBgetBexposed):B-BCORRECTBANSWERB-
StopBtreatment,BremoveBgloves,BwashBwoundBwBsoapBandBwater,BglovesBon,BcompleteBprocedureB
toBensureBpatientBcomfortBandBsafety,BreviewBpatientBmedBhistory,BaskBpatientBtoBgetBtestedBtoBde
termineBinfectiousBstatus,BifByouBdon'tBknowBsource,BgetBbaselineBtest



HIV:B

Pre-appointmentBconsiderationsB-BCORRECTBANSWERB-CD4BcountBtoBknowBimmuneBresponse-
BbelowB200Bcells/mm-BdoBnotBtreat




HIV:

WhatBareBpossibleBintra/extraBoralBfindings?B-BCORRECTBANSWERB-
EO:BlymphadenopathyBorBskinBlesionsB(herpeticBorBKaposi'sBsarcoma)

, IO:BfungalBinfectionsB(candidiasis),BhairyBleukoplakia,BKaposi'sBsarcoma,BviralBlesionsB(HPVBorBCMV
)



MedicalBhistory:

ExamplesBofB"yes"BorBpositiveBanswersBonBaBmedicalBhistoryBthatBmayBrequireBpre-
appointmentBconsiderations:B-BCORRECTBANSWERB-
PhysicalBconditionB(defectiveBheartBvalveBorBcongenitalBheartBcondition)

SystemicBdiseaseB(diabetes,BleukemiaBorBimmunodeficienes)

DrugBtherapyB(steroid,Bchemotherapeutics,BorBbloodBthinners)

ProsthesisBorBTJR



AerosolsB-BCORRECTBANSWERB-
ParticleBoccursBinBsolidBorBliquidBformB(invisible)BandBremainsBsuspendedBinBair.



SpatterB-BCORRECTBANSWERB-
HeavierBlargerBparticlesBthatBremainBairborneBforBshortBtimeBandBareBvisible.



Tuberculosis:

OrganismB&BRouteBofBTransmissionB-BCORRECTBANSWERB-Organism:BMycobacteriumBtuberculosis

InhalationBofBfreshBdropletsBcontainingBtubercleBbacilliBbyBindividualBcoughing,Bbreathing,Bsneezin
g.



YourBpatientBmarksB"yes"BforBhistoryBofBTB.BWhatBdoByouBdo?B-BCORRECTBANSWERB-
ClinicallyBactive:BdoBnotBtreatBuntilBMDBclearance

PastBhistory:BMDBconsultBtoBdetermineBcurrentBstatus

Tests:BCXRBandBtuberculinBtestB(Mantoux)

DrugsBused:BIsoniazid,BPyramzinamide,BorBRifampinBdailyBforB6Bmonths