TEST BANK ILLU
s s
STRATED DENTA s
L EMBRYOLOGY
s s
HIST
OLOGY ANDANA s s
TOMY-
4TH EDITION-
s s
FEHRENBACH
s
,Chapters01:sFacesandsNecksRegions
MULTIPLEsCHOICE
1. Whichsofsthesfollowingsfacialsfeaturessisslocatedslaterallystoseachsnaris?
a. Orbit
b. Nasals ala
c. Nasalsseptum
d. Philtrum
ANS:s B
Thes naressaresseparateds bysthes midlines nasals septum.s Thes naress aresalso
sboundeds laterallys bys winglikes cartilaginouss structures, s eachs alas(plural,s
alae)sofsthesnose.sInsthesorbitalsregionsofsthesface,stheseyeballsandsallsitsss
upportingsstructuressarescontainedsinsthesorbitsofsthesskull,sthesbonyseyes
socket.sOnsthesmidlinesofsthesupperslipsextendingsdownwardsfromsthesna
salsseptumsissasverticalsgroove,sthesphiltrum.
REF:ss Chapters1,sNasalsRegion,sPages2
2. Thes lipss ares outlineds froms thes surroundingsskins bys astransitions areasca
lledsthe:
a. philtrum.
b. mucogingivalsjunction.
c. mucocutaneoussjunction.
d. mandibularssymphysis.
ANS:s C
Thesvermilionszonesofseachslipshassasdarkersappearancesthansthessurroun
dingsskin,s withs theslipss outlineds fromsthes surroundingsskins bys astransitions
zone,sthesmucocutaneoussjunction.sOnsthesmidlinesofsthesupperslipsexten
dingsdownwardsfromsthesnasalsseptumsissasverticalsgroove,sthesphiltrum.s
Theslinesofsdemarcationsbetweensthesfirmersandspinkers attacheds gingivas
ands thes movables ands redders alveolars mucosasissthesscallop-
shapedsmucogingivalsjunction.sThesmidlinesofsthesmandiblesissmarkedsbys
thesmandibularssymphysis.
REF:ss Chapters1,sOralsRegion,sPages2
3. Whichsofsthesfollowingsstructuresscansbespalpatedsinsthesanteriorsm
idlinesofsthesneck?
a. Thyroidscartilage
b. Parathyroids glands
c. Sternocleidomastoids muscle
d. Submandibularssalivarysgland
, ANS:s A
Foundsinsthesanteriorsmidlinesandsinferiorstostheshyoidsbonesissthesthyroidsc
artilage,swhichsissthesprominencesofsthes“voicesbox,”sorslarynx.sThesvocalsc
ords,sorsligamentssofstheslarynx,saresattachedstosthesposteriorssurfacesofsth
esthyroidscartilage.sThesparathyroidsglandssareslocatedsclosestosorswithinst
hesposteriorsaspectsofsthesthyroidsglandsbutscannotsbespalpatedsinsaspatien
t;sthesthyroidsglandscansbespalpatedsonsaspatientswithinsthesmidlinescervic
alsarea.sTheslargesstrapsmuscle,sthessternocleidomastoids muscle,s iss easilys
palpateds ons eachs sides ofs thesneck.sThessubmandibularssalivarysglands iss ins
thes necks regions buts nots insthesmidline.
REF:s Chapters1,sNecksRegions,sPages8
4. Whichs ofs thesfollowings statementssconcernings thes zygomaticsa
rchsisscorrect?
a. Thestemporomandibularsjoint
isssuperior.
b. Thesinfraorbitalsregionsis
inferior.
c. Itsoverliessthesmandible.
d. Thesexternalsearsissposterior.
ANS:s D
Fartherslaterallystosthesinfraorbitalsregionsisstheszygomaticsregion,swhichs
overliessthesbonyssupportsforsthescheek,stheszygomaticsarch.sTheszygomati
csarchsextendssfromsjustsbelowstheslateralsmarginsofstheseyestowardsthesmi
ddlespartsofsthesexternalsear,swhichsisslocatedsposteriorly.sInferiorstostheszy
gomaticsarchsandsjustsanteriorstosthesexternalsearsissthestemporomandibul
arsjoint.
REF:s Chapters1,sZygomaticsRegion,sPages2
5. Ones ofs thes muscless formings thes cheeks iss thes strong
muscle,s whichs
issfeltswhensaspatientsclenchessthesteethstogether.
a. lateralspterygoid
b. masseter
c. medials pterygoid
d. temporalis
ANS:s B
Thesbuccalsregionsofsthesfacesisscomposedsofsthessoftstissuesofsthescheek.s
Thescheeksformssthessidesofsthesfacesandsissasbroadsareasofsthesfacesbetw
eensthesnose,smouth,sandsear.sMostsofsthesupperscheeksissfleshy,smainlysf
ormedsbysasmasssofsfatsandsmuscles.sOnesofsthesmuscless formings thes che
eks issthes strongs masseters muscle,s whichs isspalpatedswhensaspatientsclenc
hessthesteethstogether.sThespterygoid
, muscless aresalsoslocateds ons eachs sidesofsthesfacesnearsthes mouth,sandsthes
temporalississlocatedsinsthestemporalsregion.
REF:ss Chapters1,sBuccalsRegion,sPages2
6. Justsinferiorstostheszygomaticsarchsandsjustsanteriorstosthesexternalsearsisst
he:
a. temporomandibularsjoint.
b. infraorbitalsregion.
c. mentalsregion.
d. parotidsgland.
ANS:s A
Inferiorstostheszygomaticsarchsandsjustsanteriorstosthesexternalsearsissthest
emporomandibularsjoint.sThesinfraorbitalsregionsofsthesfacesisslocatedsinf
eriorstosthesorbitalsregionsandslateralstosthesnasalsregion.sFartherslaterallys
isstheszygomaticsregion,swhichsoverliessthesbonyssupportsforsthes cheek,sth
es zygomatics arch.sThes zygomaticsarchs extendssfromsjustsbelowstheslaterals
marginsofstheseyestowardsthesmiddlespartsofsthesexternalsear.sTheschinsissth
esmajorsfeaturesofsthesmentalsregionsofsthesface;sthesbonesunderlyingsthes
mentalsregionsissthesmandible,sorslowersjaw.sThesparotidsisslocatedsirregul
arlysfromstheszygomaticsarchsdownstosthesposteriorsbordersofstheslowersja
w.
REF:s Chapters1,sZygomaticsRegion,sPages2
7. The
salivarys glandsisslocatedsirregularlys froms thes zygomatics archsd
ownstosthesposteriorsbordersofstheslowersjaw.
a. parotid
b. submandibular
c. vonsEbner
d. sublingual
ANS:s A
Thesparotidsisslocatedsirregularlysfromstheszygomaticsarchsdownstosthespos
teriorsbordersofstheslowersjaw.sBothsthessubmandibularssalivarysandssublin
gualsaresinsthesnecksregion.sThesvonsEbnersrefersstosminorsglandsslocatedsd
eepstosthescircumvallateslingualspapillaesonsthesdorsalssurfacesofsthestongu
e.
REF:ss Chapters1,sBuccalsRegion,sPages2
8. The
extendssfromsjustsbelowstheslateralsmarginsofstheseyestowardsth
esmiddlespartsofsthesexternalsear.
a. temporomandibularsjoint
b. zygomaticsarch
c. labialscommissure
