BOC (MLS) Practice Questions and Answers Updated 2026

BOC (MLS) Practice Questions and
Answers Updated 2026
PropionibacteriumAacnesAisAmostAoftenAassociatedAwith:
A.AfoodApoisoning
B.Apost-antibioticAdiarrhea
C.AtoothAdecay
D.AbloodAcultureAcontaminationA-AAnswerAD


AAgroupAA,ARh-positiveAinfantAofAaAgroupAO,ARh-
positiveAmotherAhasAaAweaklyApositiveAdirectAantiglobulinAtestAandAaAmoderatelyAelevatedAbilirubin
A12AhoursAafterAbirth.ATheAmostAlikelyAcauseAis:
A.AABOAincompatibility
B.ARhAincompatibility
C.AbloodAgroupAincompatibilityAdueAtoAanAantibodyAtoAaAlowAfrequencyAantigen
D.AneonatalAjaundiceAnotAassociatedAwithAbloodAgroupA-AAnswerAA


D-dimersAareAproducedAfrom:
A.crosslinkedAandAstabilizedAfibrinAclots
B.decreasedAfibrinogenAandAplatelets
C.plasminogenAbeingAconvertedAtoAplasmin
D.generationAofAthrombinAfromAendothelialAcellsA-AAnswerAA


AAmethodAtoAcultureAAcanthamoebaAspAfromAcornealAulcerAscrapingsAisAtoAinoculate:
A.McCoyAcells
B.Novy,AMacNealAandANicolleA(NNN)Amedium
C.anAagarAplateAoverlaidAwithAEscherichiaAcoli
D.Regan-LoweAmediumA-AAnswerAC


WhichAofAtheAfollowingAisAtheAbestAindicatorAofAanAacuteAinfectionAwithAtheAhepatitisAAAvirus?
A.theApresenceAofAIgGAantibodiesAtoAhepatitisAAAvirus
B.theApresenceAofAIgMAantibodiesAtoAhepatitisAAAvirus
C.aAsharpAdeclineAinAtheAlevelAofAIgGAantibodiesAtoAhepatitisAAAvirus
D.aAriseAinAbothAIgMAandAIgGAlevelsAofAantibodyAtoAhepatitisAAAvirusA-AAnswerAB

,IfAthisAurineAspecimenAwasAstoredAuncappedAatA5°CAwithoutApreservationAandAretestedAatA2:00Apm,
AwhichAofAtheAfollowingAtestAresultsAwouldAbeAchangedAdueAtoAtheseAstorageAconditions?
A.glucose
B.ketones
C.protein
D.nitriteA-AAnswerAB


WhichAofAtheAfollowingAstatementsAaboutAfluorometryAisAtrue?
A.aAcompoundAfluorescesAwhenAitAabsorbsAlightAatA1AwavelengthAandAemitsAlightAatAaAsecondAwav
elength
B.theAdetectorAinAaAfluorometerAisApositionedAatA180°AfromAtheAexcitationAsource
C.fluorometryAisAlessAsensitiveAthanAspectrophotometry
D.anAincandescentAlampAisAcommonlyAusedAinAaAfluorometerA-AAnswerAA


ThisAparasiteAhasAtheAfollowingAcharacteristics:AstainsAredAwithAacid-
fastAstain,AzoonoticAtransferAtoAhumans,AspreadAbyAfecal-oralAroute.
TheAmostAlikelyAorganismAis:
A.Cryptosporidium
B.Giardia
C.Naegleria
D.NecatorA-AAnswerAA


ToApreventAgraft-vs-
hostAdisease,ARedABloodACellsApreparedAforAinfantsAwhoAhaveAreceivedAintrauterineAtransfusionsAsho
uldAbe:
A.saline-washed
B.irradiated
C.frozenAandAdeglycerolized
D.group-AandARh-compatibleAwithAtheAmotherA-AAnswerAB


AAleukocyteAcountAandAdifferentialAonAaA40-year-oldACaucasianAmanArevealed:
ThisAdataArepresents:


WBC:A5.4x10^9/L
Segs:A20%

, Lymphs:58%
Monos:A20%
Eos:A2%


A.absoluteAlymphocytosis
B.relativeAneutrophilia
C.absoluteAneutropenia
D.leukopeniaA-AAnswerAC


TheAhormoneAthatAtriggersAovulationAis:
A.follicle-stimulatingAhormoneA(FSH)
B.luteinizingAhormoneA(LH)
C.thyroid-stimulatingAhormoneA(TSH)
D.humanAchorionicAgonadotropinA(HCG)A-AAnswerAB


AAGram-
negativeAbacilliAwithAbipolarAstainingAwasAisolatedAfromAaAwoundAinfectionAcausedAbyAaAbiteAfrom
AaApetAcat.ATheAfollowingAcharacteristicAreactionsAwereAseen:


oxidase:Apositive
glucoseAOF:Afermentative
motility:Anegative
MacConkeyAagar:AnoAgrowth


WhichAofAtheAfollowingAisAtheAmostAlikelyAorganism?
A.PseudomonasAaeruginosa
B.PasteurellaAmultocida
C.AeromonasAhydrophila
D.VibrioAcholeraeA-AAnswerAB


WhatAspecimenApreparationAisAusedAtoAperformAtheAalkalineAphosphataseAisoenzymeAdetermination?
A.serumAisAdividedAintoA2Aaliquots,AoneAisAfrozenAandAtheAotherAisArefrigerated
B.serumAisAdividedAintoA2Aaliquots,AoneAisAheatedAatA56°CAandAtheAotherAisAunheated
C.noApreparationAisAnecessaryAsinceAtheAassayAusesAEDTAAplasma