ESSENTIALS OF ORAL HISTOLOGY AND EMBRYOLOGY
p p p p p p
5THEDITION CHIEGO TEST BANK
p p p
,EssentialspOfpOralpHistologypAndpEmbryologyp5theditionpChiego 2
Chapterp01:pDevelopmentpandpStructurepofpCellspandpTissuespChiego:pEssentialspofpOralpHist
ologypandpEmbryology,p5thpEdition
MULTIPLEpCHOICE
1. Mitochondriapproducepwhichpchemicalpforpintracellularpenergy?
a. ADP
b. ATP
c. RNA
d. DNAp
ANS:pB
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A
MitochondriapgeneratepenergypthroughpATP,pnotpADP,pproduction.p
B Correct.pMitochondriapproducepenergypviapATP.
C
MitochondriapgeneratepenergypthroughpATP,pnotpRNA,pproduction.p
D MitochondriapgeneratepenergypthroughpATP,pnotpDNA,pproduction.
DIF: Recallp REF:p pp.p2-3pOBJ:p1
2. Eachptissueporiginatespfrompmesoderm,pEXCEPTpone.pWhichpispthepEXCEPTION?
a. Bone
b. Liver
c. Blood
d. Musclep
ANS:pB
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A Boneptissuepdevelopspfrompmesodermalpcells.
B Correct.pLiverptissuepispproducedpbypendodermalpcells.p
C Bloodpdevelopspfrompmesodermalpcells.
D
Muscleptissuepdevelopspfrompmesodermalpcells.p
DIF: Recallp REF:pppp.p6 OBJ:p3
3. Whichpchemicalpispcalledpthepsecondpmessenger?
a. aDNA
b. mRNA
c. dGMP
,EssentialspOfpOralpHistologypAndpEmbryologyp5theditionpChiego 3
d. cAMPp
ANS:pD
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AppppppppcAMPpispthepsecondpmessenger;paDNApispnot.pBp
ppppppcAMPpispthepsecondpmessenger;pmRNApispnot.pCppc
AMPpispthepsecondpmessenger;pdGMPpispnot.
DpCorrect.pcAMPptransmitspinformationptopthepintracellularporganellespwhenpactiv
atedpbypsurfacepreceptorsponpthepplasmap membrane.
DIF:pppp Recallp REF:pppp.p3ppppp OBJ:p3
4. Whichpcellularpcomponentpfacilitatespproteinpsynthesis?
a. Ribosomes
b. Lysosomes
c. Mitochondria
d. PlasmalemmapANS:pA
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A Correct.pRibosomespsynthesizepprotein.
B Lysosomespfacilitatepthepbreakdownpofpintracellularpandpextracellularpsubstances.p
C Mitochondriapgeneratepenergy.
D
Thepplasmalemmapprovidespapprotectivepbarrierpandpregulatesptheptransportpofps
ubstancesptopandpfrompthepcell.
5. Whichporganellepproducespmicrotubules?
a. Nucleus
b. Centriole
c. Golgipapparatus
d. EndoplasmicpreticulumpANS:pB
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A
Centriolespgeneratepmicrotubules;pthepnucleuspdoespnot.p
B Correct.pCentriolespproducepmicrotubules.
C Centriolespgeneratepmicrotubules;pthepGolgipapparatuspdoespnot.
D Centriolespgeneratepmicrotubules;pthependoplasmicpreticulumpdoespnot.p
DIF: Recallp REF:pppp.p3 OBJ:p1
6. Whichpphasepofpthepcellpcyclepispcharacterizedpaspthepinitialprestingpstage?
, EssentialspOfpOralpHistologypAndpEmbryologyp5theditionpChiego 4
a. Spphase
b. G1pphase
c. G2pphase
d. ProphasepANS:pB
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A
ThepSpphasepispcharacterizedpaspthepstagepinpwhichpDNApsynthesispispcomplete.p
B Correct.pThepG1pphasepispthepinitialprestingpstage.
C ThepG2pphasepispcharacterizedpbyppost-DNApduplication.
D Prophasepispcharacterizedpbypfourpspecificpstructuralpchanges.p
DIF: Recallp REF:pppp.p4 OBJ:p1
7. Posttranslationalpmodificationsptopproteinspproducedpbyptheproughpendoplasmicpreticulumpa
re
accomplishedpby .
a. mitochondria
b. Golgipapparatus
c. messengerpRNA
d. smoothpendoplasmicpreticulumpANS:pB
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A ThepGolgipapparatuspispresponsiblepforpposttranslationalpalterations;pmitochondriapa
repnot.
B Correct.pThepGolgipapparatuspmakespalterationsptopproteinspproducedpbypthepr
oughpendoplasmicpreticulum.
C ThepGolgipapparatuspispresponsiblepforpposttranslationalpalterations;pmRNApisp
not.
D ThepGolgipapparatuspispresponsiblepforpposttranslationalpalterations;pthepsmoothpe
ndoplasmicpreticulumpispnot.
DIF: Recallp REF:pppp.p2 OBJ:p1
8. The providespanpidealpenvironmentpforpthepimplantationpandp growthpofpthepembryo.
a. ovary
b. uterineptube
c. myometrium
d. endometriumpANS:pDp
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