医学检验试题库（Medical eamination questions bank）

医学检验试题库(Medicalexaminationquestionsbank)

Examinationquestionsofmedicallaboratory----comprehensive

examinationquestions(1)

TypeAlproblem

1.capillarybloodsamplingiscommonlyused:

A,thebackofthehandB,elbowC,heelD,fingerE,earlobe

2.、thecommonlyusedpartofbloodsamplingforhaircells

ofinfantsis:

A,thebackofthehandB,neckC,heelD,fingerE,earlobe

3.withautomatichematologyanalyzer,thepreferred

anticoagulantis:

A,heparin,B,EDTA-K2,C,EDTA-Na2,D,oxalate,E,sodium

citrate

4.thefollowingsubstancesarealkalineproteins:

A,DNA,B,RNA,Candbasophi1granules

D,Dubledcorpuscle,E,cytoplasmofredbloodcell

5.normalbloodsmear,whitebloodcellcount,eosinophils

accountedfor:

A,20%~40%,B,2%~4%,C,5%"10%

D,0%~5%,E,0.5%~5%

6.smallcell,lowpigmentedanemiaismostcommon:

A,haptoglobin,anemia,B,irondeficiencyanemia,C,aplastic

anemia

D,leukemia,E,acutehemolyticanemia

7.redcellsdifferinsize,mostcommonlyseenin:

A,irondeficiencyanemia,B,megaloblasticanemia,C,and

hemorrhagicanemia

D,aplasticanemia,E,andglobinproducinganemia

8.megaloblasticanemia,bloodhemoglobindeterminationand

redbloodcellcountchangeasfollows:

A,lowerhemoglobinredbloodcellcount,hemoglobinB,down

downdown,redbloodcellcountdown

C,hemoglobin,redbloodcellcountdown,down,downD

hemoglobinredbloodcellcountdowndowndown,down

E,hemoglobindecrease,redbloodcellcountdown(downlower,

lowerdowndown)

9.diseasesthatarenotsecondarytohemoglobinare:

A,chronicpulmonaryheartdisease,B,pulmonaryheartdisease,

C,polycythemiavera

D,E,sometumorpatientswithcyanoticcongenitalheart

disease

Wethinkitispossiblethatthe10.caporing:

A,nuclearresidue,B,lipoproteindegeneration,C,

pigmentation

D,hemoglobinaggregation,E,abnormalcytoplasmicdevelopment

11.bloodsmearscount100whitebloodcells,see25nucleated

redbloodcells,andtheWBCcountis10*109/L,thenthetrue

valueofthewhitebloodcountis:

A,4x109/L,B,8*109/LC,10*109/L

D,12.5x109/L,E,15*109/L

12.calibrationof20ulhemoglobinpipettewithmercury

weighingmethod,emptycupweighing21.320g,carryingmercury

cupweighing21.600g,roomtemperature20DEGC,mercury

density13.5457,thenstraw:

A,cancontinuetouseB,cannotcontinuetouseC,doesnot

affecttheexperimentalresults

D,ifthereisnootherstraw,cancontinuetouseEforthe

timebeing,cannotjudgewhethertocontinuetouse

13.whichofthefollowingistrueabouttheredcellmean?:

ThemeanvaluesofAandRBCwerenormal,indicatingnochange

inerythrocytemorphology

AlthoughBandanemiapatientshaveobviousredbloodcell

abnormalities,theiraveragevaluescanbewithinthenormal

range

C,MCVislessthannormal,MCHislessthannormal,andits

MCHCmustbelessthannormal

D,MCVisgreaterthannormal,MCHisgreaterthannormal,and

itsMCHCmustbegreaterthannormal

ThereisnoconnectionbetweenthethreeE,MCV,MCHandMCHC

14.usingMillerendoscopicplatemethodofreticulocytecount,

suchasthetotalnumberofredbloodcellcountof10small

squaresinthefieldfor12,whilecountinglargesquaresin

reticulocytecountsfor16,whilethereticulocyteshouldbe

reportedas:

A,0.010B,0.013C,0.014

D,0.015,E,0.016

15.thesizeofeachsquareboxinthelargesquareofthefour

cornersofthecellcount:

A,0.006,25ul,B,0.062,5ul,C,0.004ul

D,0.04ul,E,0.lul

16.cyanidemethemoglobinassay.Whichhemoglobincannotbe

convertedintomethemoglobin?:

A,Hb02,B,Hbred,C,SHb

D,HbCO,E,HbS

17..Theincreaseofpolychromaticerythrocytesintheblood

smearindicatesthehematopoieticfunctionofthebonemarrow:

A,normalB,exuberantCandmalignantchange

D,lowE,severelow

18.whichofthefollowingindicatorsarenotincludedinthe

performanceevaluationofhematologyanalyzersbyICSH?:

A,precision,B,comparability,C,sensitivity

D,accuracy,E,crossdyeingrate

Nineteen

Whichofthefollowingmaterialisrecognizedasthemost

powerfulerythropoietinrouleauformationmaterial:

A,albumin,B,fibrinogen,C,gammaglobulin

D,betaglobulin,E,cholesterol

20.,thebestindextoevaluatereticulocytecountis:

A,reticulocyterelativevalueB,reticulocyteabsolutevalue

Candreticulocytecorrectedvalue

D,reticulocyteindexEandredbloodcellcount

21.thereferencemethoddeterminedbyICSHforthe

determinationofHetis:

A,automaticbloodcellanalyzer,B,colorimetricmethod,Cand

specificgravitymethod

D,high-speedcapillarycentrifugation,Eandradionuclide

method

22.redcelldistributionwidth(RDW)canbeusedfor

estimation:

A,redcellcount,B,Het,C,hemoglobinconcentration

D,hemoglobinvolume,E,anderythrocytevolumeheterogeneity

23.whichofthefollowingisdirectlyproportionaltothepulse

rateinanimpedanceanalyzer?:

A,cellmovementrate,B,cellnumber,C,cellsize

D,E,cellconcentrationwhethernuclearcell

24.theredbloodcellhistogramshowsthatthecrestofthe

curveisshiftedleftandthebottomofthepeaknarrows:

A,irondeficiencyanemia,B,smallcellhomogeneousanemia,

C,andirondeficiencyanemia

D,polycythemia,E,megaloblasticanemia

25.,thefollowingerroneousviewsregardinginstrumental

classificationofleukocytesare:

AanddomesticinstrumentsmainlyusetheresistancemethodB,

theaccuracyisdefinitelyhigherthanthemanualmethodC,and

thewhitecellcanbeclassified

ThesizeofwhitebloodcellsafterDandhemolysistreatment

doesnotcompletelyreflectthetruevolumeofE,andthe

instrumentmethodcannotcompletelyreplacethemicroscopic

examination

26.,inordertosolvethepluggingphenomenonofbloodanalyzer,

thetechniqueadoptedis:

A,threecount,voteB,thermistorC,sweepingTechnology

D,E,afloatingcombustionresistance

The27.factoristheactivationofkaolin:

A,I,B,C,x2

D,EIII,XII

28.clotretractionisprimarilyusedtodetectthefunction

ofthefollowingsubstances:

A,vascularB,plasmacellC,platelets

D,E,factorVIIIthrombin

29.plateletsplayamajorroleinthecoagulationprocess:

A,activatecoagulationprocess,B,activationfactorIII,C,

andprovidetheplaceforcoagulationreaction

D,asatissuefactor,isinvolvedintheexternalcoagulation

system

E,andfactorXIIcontact,participateintheendogenous

coagulationsystem

30.ofthediseasescharacterizedbynormalplateletcountand

prolongedBTare:

A,aplasticanemia,B,betalipoproteindeficiency,C,andvon

Willebranddisease

D,leukemia,E,hemophilia

31.theaveragelifespanofnormalplateletsis:

A,ID,B,2D,C,7d

D,21d,E,120d

Themostsensitivemethodforthedeterminationof32.CTis:

A,glassB,commontubemethod,Candcapillarymethod

D,silicontubemethod,Eandactivatedclottingtimemethod

33.themostcommonscreeningtestcurrentlyexaminingwhether

theendogenouscoagulationsystemisnormalis:

A,PT,B,APTT,C,CT

D,RT,E,BT

34.thrombosisandhemostasiscommonlyusedinscreeningtests

areamongtheinvivotrials:

A,BT,B,CRT,C,PT

D,CT,E,KPTT

35.urineroutineanalysisofoutpatients,whichurine

specimensareusuallyused?:

A,morningurine,B,randomurine,C,cleanurine

D,3hurine,E,24hurine

36.howmanyIgMmoleculesareinvolvedinredbloodcellsmay

activatethecomplement:

A,1B,about10C,about100

D,about1000E,about10000

37.,thebloodafterultravioletirradiationcanreducethe

immunogenicityofwhitebloodcells,thisisbecause:

AdestroystheclassIantigenB,destroysclassIIantigenC,

anddestroyscellactivitywithclassIantigens

D,whichdestroyedthecellactivityofclassIIantigen,Eand

above

Level38.100cleanroomrequirementsare:

A,1.5dust/L,2sedimentationbacteria/m3,B,3.5dust/L,

1subsidencebacteria/m3

C,9.5dust/L,7sedimentationbacteria/m3,D,500dust/L,

4subsidencebacteria/m3

E,50dust/L,3subsidencebacteria/m3

39.Rh(-)individualsaccountforabout15%ofthewhite

population,accountingforabouthalfoftheHanpopulation:

A,0.01%~0.1%,B,0.l%~0.2%,C,0.2%~0.5%

D,0.

E,1%〜2%

40.forpatientswithacutemassivehemorrhage,thesalvage

treatmentshouldbethefirst:

A,preventacuterenalfailure,B,immediatelyexchangeblood

transfusion,C,preventionandtreatmentofDIC

DmaintainbloodvolumeofEandmaintaincoagulationfactor

normal

41.ofpatientsaremainlycausedbyantigenantibodyreactions

leadingtointravascularhemolysis:

TheroleofA,macrophages,theactionofB,Ca2+andMg2+,the

actionofCandTcells

TheroleofD,platelets,E,complementaction

42.chronicbloodtransfusionreactionscausedbyredblood

cellimmuneantibodiesoftencauseextravascularhemolysis,in

whichextravascularisthemainindication:

A,interstitialB,spleenC,liver

D,lymphaticsystem,E,kidney

43.todate,theinternationalcommunityrecognizedthered

bloodcellantigenapproximately:

A,morethan20kindsofB,morethan100kindsofC,morethan

400kinds

D,morethan300kinds,E,morethan500kinds

44.untilnow,theinternationalcommunityrecognizedthe

presenceofHLAantigens:

A,morethan20kindsofB,morethan100kindsofC,morethan

200kinds

D,morethan300kinds,E,morethan500kinds

Whatkindofcellproliferationisthecauseof45.GVHD?:

A,macrophages,B,neutrophils,C,andallgranulocytes

D,Bcells,EandTcells

46.inordertoavoidcomplementsensitizationinvitro,the

Ca2+inthebloodsamplemustbekeptataverylowlevel.Which

ofthefollowinganticoagulantscandothis?:

A,ACD,B,CPD,C,potassiumoxalate

D,heparin,E,EDTA

47.,tounderstandwhetherornotplateletdamageaccelerated

aftertransfusion,thegeneralclinicalchoiceofthetwotest

timeisaftertransfusion:

A,1H,24h,B,1H,12h,C,2h,12h

D,2h,72h,E,2h,48H

48.neonataljaundiceafterbirthisaggravatedbecause:

A,afterbirthbegantoattack,B,fetaljaundiceafterbirth

cannothandletheirown,CandRhantigenbegantomature

graduallyafterbirth,DandABOantigenbegantomature

graduallyafterbirth

ThephysiologicalfunctionofEinneonatestreatedwith

bilirubinisnotperfect

49.,“mostaresmallclots,asmallamountofbigclots,bottom

liquidclear."thishemagglutinationreactionresultsshould

bejudgedas:

A,B,C,+++++++++

D,+E,+/-

50.whichofthefollowingconditionscantoleratealower

hemoglobinlevel?:

A,impairedheartfunction,B,impairedlungfunction,C,and

chronicanemiainpatients

D,malepatientswithE,cardiovascularandcerebrovascular

diseases

51.whenshouldthebloodpressure,pulseandother

physiologicalindexes,ratherthanhemoglobinlevels,be

regardedasthemainbasisforbloodtransfusion?:

A,neonatalB,acutebloodloss,C,andhemolyticanemia

D,Eandsevereanemiaunderanesthesia

52.,1units(200ml)ofwholebloodorredbloodcellsprepared

byitcanraisetheaverageadulthemoglobin:

A,Ig/L,B,2~3g/L,C,4〜5g/L

D,6~7g/L,E,8〜lOg/L

53.itisgenerallyacceptedthatbloodtransfusionsdonot

exceedanyofthefollowingpercentages:

A,5%B,10%C,15%

D,20%,E,30%

Theresultsof54.cytotoxicreactionsarecomplexandneedto

beanalyzedtodetermineHLAspecificity,because:

AandHLAantibodiesaregenerallyweak,andthereisalinkage

disequilibriumbetweenBandHLAsystems

AlargenumberofcrossreactivityinCandHLAsystems,Dand

HLAantibodies,aremixedantibodies

E,thereproducibilityofthetestispoor

55.intheplateletSEPSAmethod,ifthecellsareshownina

buttonlikemannerandconcentratedatthecenteroftheorifice

ofthemicrotiterplate,itcanbedeterminedtobe:

A,B,C,+++++++

D,negativeE,testfailed

56.beforethebleeding,platelets150x109/L,tomaintain

coagulationfunction,theplateletcountshouldreachatleast

beforebleeding:

A,5%B,10%C,15%

D,20%,E,30%

57.usually,theindicationforasalvagetransfusionof

plateletsisbelowtheplateletcount:

A,600x109/L,B,200*109/LC,100*109/L

D,60x109/L,E,20*109/L

58.afterthetransfusionofwholebloodvolume,theplatelet

countofthepatientcanstillbemaintainedatabout35%,

mainlybecause:

AstillhasapartofitsownbloodBandplatelets,whichcan

rapidlyproliferateCandreleaseplateletsinvivo

D,plateletsintheinputbloodE,plateletsarenoteasyto

disappearwiththeblood

59.theHLAlocuscouldbedetectedbyserologicaltyping:

A.A,B,C,B,DR,DQ,C,DR,DP

D.A,B,D,E,A,B

60.celltypingrevealedthatHLAlociwereavailable:

A.A,B,C,B,DR,DP,C,DP

D.A,B,DP,E,A,B

Themostaccurateanddirectmethodof61.genetypingis:

A,PCR-SSP,B,PCR-SBT,C,PCR-SSO

D,PCR-RFLP,E,PCR-SSCP

62.ofthepatientshadnoapparentinfectionorbleeding

symptoms,butthetransfusionofplateletswasineffective,

probablybecauseofthepatient:

A,plateletautoantibodyB,presenceofplateletisotype

antibodyC,presenceofHLAautoantibodies

D,thepresenceofHLAisotypeantibodiesEandabovemaybe

possible

63.inordertoeffectivelyplatelettransfusions,patients

shouldbetransfused:

A,leukocyte,platelet,B,apheresisplatelets,CandHLA

isotypeplatelets

DandmatchedplateletsEandaboveareallcorrect

64.thefollowingantigensarepresentonlyonplatelets:

A,D/DR,B,M,C,Yukb

D,Lua,E,A2m

65.,theprincipleofanticoagulantactionofAnticoagulation

SolutionACDismainlythecombinationofreagents:

A,fibrinogen,B,Mg2+,C,complement

D,Fe3+,E,Ca2+

66.,"A"inAnticoagulationSolutionCPD-Astandsfor..:

A,addedammonium,B,Aformula,C,andaddedinosine

D,addedE,addinghypoxanthineadenine

67.determinewhichsubstancesinthefollowingredcells

determinetheredbloodcellstateinthepreserve:

A,B,3-dihydroxyacetone1,glyceroltwophosphateC,1-3-

D,23-,twoE,23-glycerolphosphate,DPG

68.howlongdoesbloodtypeantibodyappearafter

transfusion?:

A,12〜24h,B,1〜5d,C,「5weeks

D,lOdtomonths,E,monthstoyears

69.whichtypeofimmunoglobulinisthebloodtypeantibody

producedbytransfusion?:

A,IgA,B,IgD,C,IgE

D,IgG,E,IgM

70.thepeaktimeofantibodyproductionaftertransfusionis

thepeaktime:

A,12~24h,B,l~5d,C,「5weeks

D,lOdtomonths,E,monthstoyears

71.whichofthefollowingclinicalsymptomsdoesnotbelong

tobloodcirculationoverloadaftertransfusion?:

A,convulsions,B,severeheadache,C,chesttightness

D,E,wholebodyedema,cyanosis

72.,bloodtransfusioncausedbycitricacidpoisoningisoften

associatedwithwhatkindofdiseasepatients:

A,heartdisease,B,lungdisease,C,liverdisease

D,nephropathy,E,spleendiseases

73.potassiumpoisoningiscloselyrelatedtotheblood

transfusion:

A,alargenumberofbloodtransfusion,B,rapidtransfusion,

C,coldwar

D,Eandbloodtransfusion

74.howmuchairisinjectedintotheveincankilladults:

A,>lml,B,>3ml,C,>10ml

D,>30ml,E,>100ml

75.themostabundantIgGsubclassinhumanserumis:

A,IgGl,B,IgG2,C,IgG3

D,IgG4,E,IgGl,IgG2

The76.mostcloselyrelatedsubclassofIgGishemolysis:

A,IgGl,IgG2,B,IgGl,IgG3,C,IgG3,IgG4

D,IgG2,IgG3,E,IgG2,IgG4

77.,theclassicsubclassofIgGthatisdifficulttocombine

withclassicalpathwaysis:

A,IgGl,B,IgG2,C,IgG3

D,IgG4,E,ormorearenot

Theorderinwhichthe78.IgGsubclassbindsthecomplementis:

A,IgGl>IgG2>IgG3>IgG4,B,IgGl>IgG3>IgG2>IgG4,C,

IgG2>IgG4>IgG3>IgGl

D,IgG3>IgGl>IgG2>IgG4,E,IgG2>IgG4>IgG3>IgGl

79.thesmallestdistanceinwhichtheantibodysensitizedred

bloodcellsarekeptbystaticelectricityduetoelectrostatic

precipitation:

A,5nm,B,lOnm,C,15nm

D,20nm,E,25nm

Itisdifficultfor80.IgGantibodiestoagglutinatedirectly

witherythrocytesbecause:

AandIgGantibodyaffinityisnotenough,BandIgGantibody

moleculesaretoosmall,CandIgGantibodymoleculescannot

connecttwocellssimultaneously,DandIgGantibodymolecules

tendtobetoosmall

Eoraboveareallwrong

81.enzymetreatmentcancauseagglutinationofredbloodcells

sensitizedbyIgG,becausetheenzymecan:

AbridgesBbetweentheredcellmembraneandbridgesCbetween

thesensitizingantibodiesandweakenstheredcellsurface

charge

D,alteredthestructureofsensitizingantibodies,E,and

sialicacidmoleculesonthesurfaceofmodifiederythrocytes

82.itisgenerallybelievedthatthefollowingmostaccurate

andreliablemethodofredcellagglutinationis:

A,enzyme,B,albumin,C,antiglobulin

D,condensationaminemethod,Eandabsorptionemissionmethod

83.aboutdiabeticsurinetest,thecorrectdescriptionis:

A,liketheappearanceofcolorlessurine,oftenincrease,high

concentration,qualitativeurinetestpositive

B,liketheappearanceofcolorlessurine,oftenincrease,low

concentration,qualitativeurinetestnegative

C,liketheappearanceofcolorlessurine,oftenincrease,low

concentration,qualitativeurinetestpositive

D,liketheappearanceofwhiteurine,oftenincrease,high

concentration,qualitativeurinetestpositive

E,liketheappearanceofwhiteurine,oftenincrease,low

concentration,qualitativeurinetestnegative

84.thebestwaytorecommendroutineurinesamplesisto:

A,addformaldehydeB,addethanolC,addthymol

D,boricacidE,coldstorage

85.howlongdoestheurineroutineanalyzerhavetobe

completed?:

A,2h,B,6h,C,8h

D,12h,E,24h

86.whichofthefollowingdiseases,bloodglucoseandurine

glucoseatthesametime:

A,chronicglomerulonephritis,B,nephroticsyndrome,C,

hyperthyroidism

D,Fanconisyndrome,congenitalrenaldiabetes,E

Glycosuriaclass87.’smethod,addingthereagentandurine

volumeratio:

A,10:1,B,1:10,C,1:1

D,1:5,E,5:1

88.whichofthefoll