ESSENTIALS OF ORAL HISTOLOGY AND EMBRYOLOGY 5THEDITIO
b b b b b b
N CHIEGO TEST BANK
b b b
,Essentialsb Ofb Oralb Histologyb Andb Embryologyb 5theditionb Chiego 2
Chapterb01:bDevelopmentbandbStructurebofbCellsbandbTissuesbChiego:bEssentialsbofbOralbHist
ologybandbEmbryology,b5thbEdition
MULTIPLEb CHOICE
1. Mitochondriabproducebwhichbchemicalbforbintracellularbenergy?
a. ADP
b. ATP
c. RNA
d. DNA
bANS: bB
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A MitochondriabgeneratebenergybthroughbATP,bnotbADP,bproduction.
B Correct.bMitochondriabproducebenergybviabATP.
C MitochondriabgeneratebenergybthroughbATP,bnotbRNA,bproduction.
D MitochondriabgeneratebenergybthroughbATP,bnotbDNA,bproduction.b
DIF: Recallb REF:b pp.b2-3bOBJ:b1
2. Eachbtissueboriginates bfrombmesoderm,bEXCEPTbone.bWhichbisbthebEXCEPTION?
a. Bone
b. Liver
c. Blood
d. Muscle
bANS: bB
Feedback
A Bonebtissuebdevelopsbfrombmesodermalbcells.
B Correct.bLiverbtissuebisbproducedbbybendodermalbcells.
C Bloodbdevelopsbfrombmesodermalbcells.
D Musclebtissuebdevelopsbfrombmesodermalbcells.b
DIF: Recallb REF:b p.b6 OBJ:b3
3. Whichbchemicalbisbcalledbthebsecondbmessenger?
a. aDNA
b. mRNA
c. dGMP
,Essentialsb Ofb Oralb Histologyb Andb Embryologyb 5theditionb Chiego 3
d. cAMP
bANS: bD
Feedback
A cAMPbisbthebsecondbmessenger;baDNAbisbnot.
B cAMPbisbthebsecondbmessenger;bmRNAbisbnot.
C cAMPbisbthebsecondbmessenger;bdGMPbisbnot.
D Correct.bcAMPbtransmitsbinformationbtobthebintracellularborganellesbwhenb
activatedbbybsurfacebreceptorsbonbthebplasmabmembrane.
DIF: Recallb REF:b b p.b3 OBJ:b3
4. Whichbcellularbcomponentbfacilitatesbproteinbsynthesis?
a. Ribosomes
b. Lysosomes
c. Mitochondria
d. PlasmalemmabANS:bA
Feedback
A Correct.b Ribosomesb synthesizeb protein.
B Lysosomesb facilitateb theb breakdownb ofb intracellularb andb extracellularb substances.
C Mitochondriab generateb energy.
D Thebplasmalemmabprovidesbabprotectivebbarrierbandbregulatesbthebtransportbofb
substancesbtobandbfrombthebcell.
5. Whichb organelleb producesb microtubules?
a. Nucleus
b. Centriole
c. Golgib apparatus
d. Endoplasmicb reticulumb ANS:b B
Feedback
A Centriolesb generateb microtubules;b theb nucleusb doesb not.
B Correct.bCentrioles bproducebmicrotubules.
C Centriolesb generateb microtubules;b theb Golgib apparatusb doesb not.
D Centriolesbgeneratebmicrotubules;bthebendoplasmicbreticulumbdoesbnot.b
DIF: Recallb REF:b p.b3 OBJ:b1
6. Whichbphasebofbthebcellbcyclebisbcharacterizedbasbthebinitialbrestingbstage?
, Essentialsb Ofb Oralb Histologyb Andb Embryologyb 5theditionb Chiego 4
a. Sbphase
b. G1bphase
c. G2bphase
d. ProphasebANS:bB
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A ThebSbphasebisbcharacterizedbasbthebstagebinbwhichbDNAbsynthesisbisbcomplete.
B Correct.bThebG1bphasebisbthebinitialbrestingbstage.
C ThebG2bphasebisbcharacterizedbbybpost-DNAbduplication.
D Prophasebisbcharacterized bbybfourbspecificbstructuralbchanges.b
DIF: Recallb REF:b p.b4 OBJ:b1
7. Posttranslationalbmodifications btobproteinsbproducedbbybthebroughbendoplasmicbreticulumb
are
accomplishedb by .
a. mitochondria
b. Golgib apparatus
c. messengerb RNA
d. smoothb endoplasmicb reticulumb ANS:b B
Feedback
A ThebGolgibapparatusbisbresponsiblebforbposttranslational balterations;bmitochondriab
arebnot.
B Correct.bThebGolgibapparatusbmakesbalterationsbtobproteinsbproducedbbybtheb
roughbendoplasmicbreticulum.
C ThebGolgibapparatusbisbresponsiblebforbposttranslational balterations;bmRNAbisb
not.
D ThebGolgibapparatusbisbresponsiblebforbposttranslational balterations;bthebsmoothb
endoplasmicbreticulumbisbnot.
DIF: Recallb REF:b b p.b2 OBJ:b1
8. The providesbanbidealbenvironmentbforbthebimplantation bandbgrowthbofbthebembryo.
a. ovary
b. uterineb tube
c. myometrium
d. endometriumbANS:bDb
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