Test Bank For Rodak-s Hematology Clinical Principles and Applications, 17th Edition by Elaine M. Keohane

Prelim Topics
b b




Weekb1b:bIntroductionbtobClinicalbHematology

1. WhatbdobyoubcallbwhenbtherebisbanbincreasebinbBandsbneutrophilband
bsignalsbabbacterialbinfection.




A. Leftbshift
B. Neutropenia
C. Neutrophilia
D. SegmentedbNeutrophil

Rationale:

Leftbshiftbisbthebcorrectbanswerbbecausebitbisbwherebtherebisbanbincreasebofbi
mmaturebwhitebbloodbcellsbthatbsignifiesbinfectionborbinflammation.b

Neutropeniabisbnotbthebanswerbbecausebthisbtermbrefersbtobabdecreasedbnu
mberbofbneutrophils.

Neutrophiliabisbnotbthebanswerbbecausebitbisbthebtermbusedbwhenbtherebisba
nbincreasedbnumberbofbneutrophils.

SegmentedbNeutrophilbisbnotbthebanswerbbecausebthisbrefersbtobtheirbmultil
obedbnuclei.

Referenceb:bRodak’sbHematologyb
ClinicalbPrinciplesbandbApplications,b
SixbEdition,bChapterb1,bP3.

2. Whichbofbthebfollowingbstatementsbisbtruebaboutbplatelets.

I. Truebcellsbthatbmaintainbbloodbvesselbintegrity.

II. Adherebtobthebsurfacesbofbdamagedbbloodbvessels.

III. 0btob14bumbinbdiameter.

IV. Cellbfragments

A. I,bII,bandbIII
B. I,bII,bandbIV
C. IbandbIV
D. Allbofbthebchoicesbarebcorrect

Rationale:

,LetterbAbisbnotbthebanswerbbecausebIIIbisbincorrect,thebsizebofbplateletbisb2btob
4bumbinbdiameter.

LetterbBbisbthebcorrectbanswerbbecausebIIIbisbnotbincludedbinbthebchoices.bPl
ateletbalsobknownbasbcellbfragmentsbarebtruebcellsbthatbmaintainbbloodbvess
elbintegritybbybinitiatingbvesselbwallbrepair.b.b

LetterbCbisbnotbthebanswerbbecausebIIbshouldbbebincluded,bplateletsbadherebt
obdamagedbbloodbvesselsbforbrepair..b

LetterbDbisbnotbthebanswerbbecausebIIIbisbincorrect.

Referenceb:bRodak’sbHematologyb
ClinicalbPrinciplesbandbApplications,b
FifthbEdition,bChapterb1,bP4.

3. Whenbthebresultsbfrombthebbloodbcellbanalyzerbisbabnormalbwherebin
bthebinstrumentbprovidesbthebindicationbofbthis.b




A. Wedge-prep
B. Flag
C. Thrombocytopenia
D. ReflexbTesting

Rationale:b

Wedge-
prepbisbnotbthebanswerbbecausebitbisbabbloodbfilmbonbabglassbmicroscopebslid
ebthatbisbpreparedbbybabmicroscopistbinbbloodbfilmbexamination.

Flagbisbthebcorrectbanswerbbecausebitbisbablabbprintoutsbthatbisbabnormalbwh
ichbisbindicatedbbybabmark.

Thrombocytopeniabisbnotbthebanswerbbecausebitbisbwherebtherebisbabdecreas
edbnumberbofbplatelets.

Reflexbisbnotbthebanswerbbecausebisbanbautomaticborderingbofbtestsbbasedbo
nbpresetbparametersborbthebresultsbofbpriorbtests

Referenceb:bRodak’sbHematologyb
ClinicalbPrinciplesbandbApplications,b
SixbEdition,bChapterb1,bP5.

4. Hebisbthebfirstbscientistbtobdescribeb“worms”binbthebblood.

A. AntonbVanbLeewenhoek
B. GuiliobBizzozero

, C. AthanasiusbKircher
D. JamesbHomerbWright

Rationale:

AntonbVanbLeeuwenhoekbisbnotbthebanswerbbecausebhebdescribedbhumanbe
rythrocyte.

GuiliobBizzozerobisbnotbthebanswerbbecausebhebdescribedbplateletsbasb“petite
sbplagues”.

AthanasiusbKirsherbisbthebcorrectbanswerbbecausebhebisbthebonebwhobdescri
bedbworms.

JamesbHomerbWrightbisbnotbthebanswerbbecausebhebisbthebpersonbwhobdevel
opedbWrightbstain.

Referenceb:bRodak’sbHematologyb
ClinicalbPrinciplesbandbApplications,b
SixbEdition,bChapterb1,bP1.b

5. WhatbdobyoubcallbthebreagentbwherebHemoglobinbmeasurementbreli
esbonbabweakbsolutionbofbpotassiumbcyanidebandbpotassiumbferricya
nide.

A. Drabkinbreagent
B. Hematoxylin
C. Eosin
D. MPV

Rationale:

Drabkinbreagentbisbthebcorrectbanswerbbecausebbesidesbthatbitbisbthebonlybre
agentbinbthebchoicesbitbisbusedbinbmeasuringbhemoglobinbinbthebbloodbsampl
esbwhichbcomprisesbpotassiumbcyanidebandbpotassiumbferricyanide.

Hematoxylinbandbeosinbarebnotbthebanswerbbecausebabdyebusedbasbabhistolo
gicbstain.

MPVbalsobknownbasbMeanbPlateletbVolumebisbnotbthebanswerbbecausebitbtell
sbthebmeasurementbofbthebaveragebsizebofbplateletsbfoundbinbthebblood.

Referenceb:bRodak’sbHematologyb
ClinicalbPrinciplesbandbApplications,b
SixbEdition,bChapterb1,bP2b

, 6. Itbisbabprocessbwherebanotherbsixbtobeightbenzymesbexertbcontrolbov
erbthebcoagulationbmechanism,bandbthebthirdbsystembofbenzymesba
ndbcofactorsbdigestsbclotsbtobrestorebvesselbpatency.

A.bbCellbfragments
B. Hemostasis
C. Thrombosis
D. Fibrinolysis

Rationale:

CellbFragmentsbisbnotbthebanswerbbecausebitbisbanotherbtermbforbplatelets.

Hemostasisbisbnotbthebanswerbbecausebitbisbabseriesbofbcellularbandbplasma-
bbasedbmechanismsbthatbsealbwounds,brepairbvesselbwalls,bandbmaintainbva

scularbpatency.

Thrombosisbisbnotbthebanswerbbecausebitbisbabclotbformation.

Fibrinolysisbisbthebcorrectbanswerbbecausebitbisbabnormalbbodybprocessbthatb
preventsbbloodbclots.

Referenceb:bRodak’sbHematologyb
ClinicalbPrinciplesbandbApplications,b
SixbEdition,bChapterb1,bP5b

7. Itbisbthebratiobofbthebvolumebofbpackedbredbbloodbcellsbtobthebvolume
bofbwholebblood.




A. Hemoglobin
B. MeanbcellbHemoglobin
C. Hematocritb
D. Epitopes

Rationale:

Hemoglobinbisbnotbthebanswerbbecausebitbisbresponsiblebforboxygenbtranspo
rt.

MeanbCellbHemoglobinbisbnotbthebanswerbbecausebitbrefersbtobthebaveragebq
uantitybofbhemoglobinbpresentbinbabsinglebredbbloodbcell.

Hematocritbisbthebcorrectbanswerbbecausebitbisbthebvolumebpercentagebofbre
dbblood.

Epitopesbarebnotbthebanswerbbecausebitbisbanotherbtermbforbantigenbdetermi
nantbwhichbisbpartbofbanbantigen.