ESSENTIALS OF ORAL HISTOLOGY AND EMBRYOLOGY 5THEDITIO
g g g g g g
N CHIEGO TEST BANK A+
g g g g
TestgBank Pageg1
, OralgHistologygandgEmbryologyg5thgeditiongChiego 2
Chapterg01:gDevelopmentgandgStructuregofgCellsgandgTissuesgChiego:gEssentialsgofgOralgHi
stologygandgEmbryology,g5thgEdition
MULTIPLEgCHOICE
1. Mitochondriagproducegwhichgchemicalgforgintracellulargenergy?
a. ADP
b. ATP
c. RNA
d. DNA
gANS:gB
Feedback
A MitochondriaggenerategenergygthroughgATP,gnotgADP,gproduction.
B Correct.gMitochondriagproducegenergygviagATP.
C MitochondriaggenerategenergygthroughgATP,gnotgRNA,gproduction.
D MitochondriaggenerategenergygthroughgATP,gnotgDNA,gproduction.g
DIF: Recallg REF:g pp.g2-3gOBJ:g1
2. Eachgtissuegoriginatesgfromgmesoderm,gEXCEPTgone.gWhichgisgthegEXCEPTION?
a. Bone
b. Liver
c. Blood
d. Muscle
gANS:gB
Feedback
A Bonegtissuegdevelopsgfromgmesodermalgcells.
B Correct.gLivergtissuegisgproducedgbygendodermalgcells.
C Bloodgdevelopsgfromgmesodermalgcells.
D Musclegtissuegdevelopsgfromgmesodermalgcells.g
DIF: Recallg REF:g p.g6 OBJ:g3
3. Whichgchemicalgisgcalledgthegsecondgmessenger?
a. aDNA
b. mRNA
c. dGMP
TestgBank Pageg2
, OralgHistologygandgEmbryologyg5thgeditiongChiego 3
d. cAMP
gANS:gD
Feedback
A cAMPgisgthegsecondgmessenger;g aDNAg isg not.
B cAMPg isg thegsecondgmessenger;g mRNAg isg not.
C cAMPgisgthegsecondgmessenger;gdGMPgisgnot.
Dg Correct.g cAMPg transmitsg informationg tog theg intracellularg organellesg whengacti
vatedgbygsurfacegreceptorsgongthegplasmagmembrane.
DIF: Recallg REF:g g p.g3 OBJ:g3
4. Whichgcellulargcomponentgfacilitatesgproteingsynthesis?
a. Ribosomes
b. Lysosomes
c. Mitochondria
d. PlasmalemmagANS:gA
Feedback
A Correct.gRibosomesgsynthesizegprotein.
B Lysosomesgfacilitategthegbreakdowngofgintracellulargandgextracellulargsubstances.
C Mitochondriaggenerategenergy.
D Thegplasmalemmagprovidesgagprotectivegbarriergandgregulatesgthegtransportgofg
substancesgtogandgfromgthegcell.
5. Whichgorganellegproducesgmicrotubules?
a. Nucleus
b. Centriole
c. Golgigapparatus
d. EndoplasmicgreticulumgANS:gB
Feedback
A Centriolesggenerategmicrotubules;gthegnucleusgdoesgnot.
B Correct.gCentriolesgproducegmicrotubules.
C Centriolesggenerategmicrotubules;gthegGolgigapparatusgdoesgnot.
D Centriolesggenerategmicrotubules;gthegendoplasmicgreticulumgdoesgnot.g
DIF: Recallg REF:g p.g3 OBJ:g1
6. Whichgphasegofgthegcellgcyclegisgcharacterizedgasgtheginitialgrestinggstage?
TestgBank Pageg3
, OralgHistologygandgEmbryologyg5thgeditiongChiego 4
a. Sgphase
b. G1gphase
c. G2gphase
d. ProphasegANS:gB
Feedback
A ThegSgphasegisgcharacterizedgasgthegstagegingwhichgDNAgsynthesisgisgcomplete.
B Correct.gThegG1gphasegisgtheginitialgrestinggstage.
C ThegG2gphasegisgcharacterizedgbygpost-DNAgduplication.
D Prophasegisgcharacterizedgbygfourgspecificgstructuralgchanges.g
DIF: Recallg REF:g p.g4 OBJ:g1
7. Posttranslationalgmodificationsgtogproteinsgproducedgbygthegroughgendoplasmicgreticulumg
are
accomplishedgby .
a. mitochondria
b. Golgigapparatus
c. messengergRNA
d. smoothgendoplasmicgreticulumgANS:gB
Feedback
A ThegGolgigapparatusgisgresponsiblegforgposttranslationalgalterations;gmitochondriag
aregnot.
B Correct.gThegGolgigapparatusgmakesgalterationsgtogproteinsgproducedgbygthegr
oughgendoplasmicgreticulum.
C ThegGolgigapparatusgisgresponsiblegforgposttranslationalgalterations;gmRNAgisg
not.
D ThegGolgigapparatusgisgresponsiblegforgposttranslationalgalterations;gthegsmoothg
endoplasmicgreticulumgisgnot.
DIF: Recallg REF:g g p.g2 OBJ:g1
8. The providesgangidealgenvironmentgforgthegimplantationgandg growthgofgthegembryo.
a. ovary
b. uterinegtube
c. myometrium
d. endometriumgANS:gD
g Feedback
TestgBank Pageg4