Test Bank for Modern Dental Assisting, 14th Edition by Debbie S. Robinson

Test Bank For Dental Assisting for
7j 7j 7j 7j 7j


Modern Dental Assisting 14th Edition
7j 7j 7j 7j



Editors7j:
Jeffrey7jR.7jSmith7j&7jDebbie7jS.7jRobinson

,Chapter7j1.7jOral7jEmbryology7jand7jHistology



1. Which7jof7jthe7jfollowing7jis7jthe7jprocess7jby7jwhich7jthe7jcells7jof7jthe7jfertilized7jegg7jdiv
ide7jand7jform7ja7jball7jof7jcells7jduring7jembryonic7jdevelopment?
A. Cleavage
B. Differentiation
C. Organogenesis
D. Implantation
Answer:7jA.7jCleavage
Rationale:7jCleavage7jis7jthe7jseries7jof7jrapid7jmitotic7jdivisions7jthat7joccur7jafter7jfertilizat
ion,7jleading7jto7jthe7jformation7jof7ja7jball7jof7jcells7jknown7jas7jthe7jmorula.
DIF:7jEasy
TOP:7jEmbryonic7jdevelopmen
t7jMSC:7jMultiple7jChoice
2. During7jthe7jfirst7jweek7jof7jembryonic7jdevelopment,7jthe7jfertilized7jegg7jbecomes7ja7jstr
ucture7jcalled7ja:
A. Zygote
B. Blastocyst
C. Morula
D. Embryo
Answer:7jB.7jBlastocyst
Rationale:7jAfter7jfertilization7jand7jcleavage,7jthe7jball7jof7jcells7j(morula)7jforms7jinto7ja7jb
lastocyst,7jwhich7jimplants7jinto7jthe7juterine7jwall.
DIF:7jEasy
TOP:7jEmbryonic7jdevelopmen
t7jMSC:7jMultiple7jChoice
3. The7joral7jcavity7jbegins7jto7jdevelop7jduring7jwhich7jof7jthe7jfollowing7jstages7jof7jemb
ryonic7jdevelopment?
A. Zygote
B. Fetal
C. Pre-implantation
D. Embryonic
Answer:7jD.7jEmbryonic
Rationale:7jThe7jdevelopment7jof7jthe7joral7jcavity7jstarts7jduring7jthe7jembryonic7jstage,7jar
ound7jthe7jthird7jweek7jof7jpregnancy,7jas7jthe7jfacial7jstructures7jbegin7jto7jform.
DIF:7jModerate
TOP:7jOral7jcavity7jdevelopmen
t7jMSC:7jMultiple7jChoice
4. The7jprocess7jby7jwhich7jthe7jneural7jtube7jforms7jand7jbegins7jto7jdevelop7jinto7jthe7jbra
in7jand7jspinal7jcord7jis7jknown7jas:
A. Gastrulation
B. Neurulation
C. Cleavage
D. Organogenesis

, Answer:7jB.7jNeurulation
Rationale:7jNeurulation7jis7jthe7jprocess7jwhere7jthe7jneural7jtube7jforms,7jwhich7jlater7jgive
s7jrise7jto7jthe7jcentral7jnervous7jsystem7j(brain7jand7jspinal7jcord).
DIF:7jModerate
TOP:7jNeural7jdevelopment7jM
SC:7jMultiple7jChoice
5. Which7jof7jthe7jfollowing7jis7jthe7jprimary7jfunction7jof7jthe7jmesoderm7jlayer7jin7jemb
ryonic7jdevelopment?
A. Formation7jof7jthe7jnervous7jsystem
B. Development7jof7jthe7jskin7jand7jhair
C. Formation7jof7jmuscles,7jbones,7jand7jcirculatory7jsystems
D. Formation7jof7jthe7jdigestive7jsystem
Answer:7jC.7jFormation7jof7jmuscles,7jbones,7jand7jcirculatory7jsystems
Rationale:7jThe7jmesoderm7jlayer7jgives7jrise7jto7jstructures7jsuch7jas7jmuscles,7jbones,7jand7jthe7j
circulatory7jsystem7jduring7jembryonic7jdevelopment.
DIF:7jModerate7jTO
P:7jGerm7jlayers
MSC:7jMultiple7jChoice
6. The7jterm7j"histology"7jrefers7jto7jthe7jstudy7jof:
A. The7jstructure7jand7jfunction7jof7jtissues
B. The7jdevelopment7jof7jorgans
C. The7jstructure7jof7jcells
D. The7jdevelopment7jof7jembryos
Answer:7jA.7jThe7jstructure7jand7jfunction7jof7jtissues
Rationale:7jHistology7jis7jthe7jstudy7jof7jtissues,7jincluding7jtheir7jstructure7jand7jfunction,7ja
nd7jtheir7jrole7jin7jthe7jbody.
DIF:7jEasy7 j T
OP:7jHistology
MSC:7jMultiple7jChoice
7. The7jenamel7jof7jthe7jtooth7jis7jderived7jfrom7jwhich7jembryonic7jtissue?
A. Ectoderm
B. Mesoderm
C. Endoderm
D. Neural7jcrest
Answer:7jA.7jEctoderm
Rationale:7jEnamel,7jthe7jhard7jouter7jsurface7jof7jthe7jtooth,7jdevelops7jfrom7jthe7jectoderm
al7jlayer7jof7jthe7jembryo.
DIF:7jModerate
TOP:7jTooth7jdevelopment7jMS
C:7jMultiple7jChoice
8. The7jdevelopment7jof7jthe7jface7jand7joral7jcavity7jduring7jembryonic7jdevelopment7jinv
olves7jfusion7jof7jwhich7jstructures?
A. Palatal7jshelves
B. Maxillary7jand7jmandibular7jprocesses
C. Frontal7jnasal7jprocess
D. Both7jB7jand7jC

, Answer:7jD.7jBoth7jB7jand7jC
Rationale:7jThe7jdevelopment7jof7jthe7jface7jand7joral7jcavity7jinvolves7jthe7jfusion7jof7jthe7j
maxillary7jand7jmandibular7jprocesses,7jas7jwell7jas7jthe7jfrontal7jnasal7jprocess.
DIF:7jModerate
TOP:7jFacial7jdevelopment7jMS
C:7jMultiple7jChoice
9. Which7jstructure7jis7jresponsible7jfor7jthe7jformation7jof7jthe7jteeth7jduring7jembr
yonic7jdevelopment?
A. Neural7jcrest
B. Ectoderm
C. Mesoderm
D. Endoderm
Answer:7jA.7jNeural7jcrest
Rationale:7jThe7jneural7jcrest7jcells7jplay7ja7jcrucial7jrole7jin7jthe7jformation7jof7jthe7jteeth7jduring
7jembryonic7jdevelopment.
DIF:7jModerate
TOP:7jTooth7jformatio
n7jMSC:7jMultiple7jCh
oice
10. The7jfirst7jindication7jof7jtooth7jdevelopment7joccurs7jduring7jwhich7jweek7jof7jembr
yonic7jdevelopment?
A. 2nd7jweek
B. 5th7jweek
C. 6th7jweek
D. 7th7jweek
Answer:7jC.7j6th7jweek
Rationale:7jThe7jfirst7jindication7jof7jtooth7jdevelopment7jappears7jduring7jthe7j6th7jweek7jof
7jembryonic7jdevelopment,7jwhen7jthe7jdental7jlamina7jforms.
DIF:7jModerate
TOP:7jTooth7jdevelopment7jMS
C:7jMultiple7jChoice
11. The7jprocess7jof7jossification7jrefers7jto:
A. The7jformation7jof7jblood7jcells
B. The7jformation7jof7jbone
C. The7jdevelopment7jof7jthe7jskin
D. The7jdevelopment7jof7jthe7jdigestive7jsystem
Answer:7jB.7jThe7jformation7jof7jbone
Rationale:7jOssification7jis7jthe7jprocess7jby7jwhich7jbone7jtissue7jis7jformed7jfrom7jcartilag
e7jor7jother7jconnective7jtissue.
DIF:7jModerate
TOP:7jBone7jdevelopment7
jMSC:7jMultiple7jChoice
12. Which7jof7jthe7jfollowing7jis7ja7jkey7jfeature7jof7jthe7jhistological7jstructure7jof7jenamel?
A. It7jis7jcomposed7jof7jcollagen7jfibers
B. It7jis7javascular7jand7jhas7jno7jliving7jcells
C. It7jcontains7jmany7jblood7jvessels
D. It7jhas7ja7jhigh7jcontent7jof7jwater