Test Bank For Illustrated Dental Embryology Histology and Anatomy 4th Edition Fehrenbach 9781455776856 | All Chapters with Answers and Rationals

TEST BANK ILLU
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STRATED DENTA 0




L EMBRYOLOGY
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HISTOLOGY AND 0 0




ANATOMY-
4TH EDITION-
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FEHRENBACH
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,Chapter001:0 Face0and0Neck0Regions

MULTIPLE0CHOICE

1. Which0of0the0following0facial0features0is0located0laterally0to0each0naris?
a. Orbit
b. Nasal0 ala
c. Nasal0septum
d. Philtrum
ANS:0 B
The0 nares0 are0 separated0 by0 the0 midline0 nasal0 septum.0 The0 nares0 are0al
so0bounded0laterally0 by0winglike0 cartilaginous0structures,0each0 ala0(plu
ral,0alae)0of0the0nose.0In0the0orbital0region0of0the0face,0the0eyeball0and0
all0its0supporting0structures0are0contained0in0the0orbit0of0the0skull,0the0b
ony0eye0socket.0On0the0midline0of0the0upper0lip0extending0downward0fr
om0the0nasal0septum0is0a0vertical0groove,0the0philtrum.

REF:00 Chapter01,0Nasal0Region,0Page02

2. The0 lips0are0outlined0 from0the0 surrounding0skin0 by0a0 transition0 area0c
alled0the:
a. philtrum.
b. mucogingival0junction.
c. mucocutaneous0 junction.
d. mandibular0symphysis.
ANS:0 C
The0vermilion0zone0of0each0lip0has0a0darker0appearance0than0the0surrou
nding0 skin,0 with0 the0 lips0 outlined0 from0 the0 surrounding0 skin0 by0 a0transiti
on0zone,0the0mucocutaneous0junction.0On0the0midline0of0the0upper0lip0e
xtending0 downward0 from0 the0nasal0septum0is0a0vertical0groove,0the0phil
trum.0The0line0of0demarcation0between0the0firmer0and0pinker0 attached0
gingiva0 and0 the0 movable0 and0 redder0 alveolar0 mucosa0is0the0scallop-
shaped0mucogingival0junction.0The0midline0of0the0mandible0is0marked0b
y0the0mandibular0symphysis.

REF:00 Chapter01,0Oral0Region,0Page02

3. Which0of0the0following0structures0can0be0palpated0in0the0anterior0
midline0of0the0neck?
a. Thyroid0cartilage
b. Parathyroid0 glands
c. Sternocleidomastoid0 muscle
d. Submandibular0salivary0gland

, ANS:0 A
Found0in0the0anterior0midline0and0inferior0to0the0hyoid0bone0is0the0thyroi
d0cartilage,0which0is0the0prominence0of0the0“voice0box,”0or0larynx.0The0vo
cal0cords,0or0ligaments0of0the0larynx,0are0attached0to0the0posterior0surfac
e0of0the0thyroid0cartilage.0The0parathyroid0glands0are0located0close0to0or0
within0the0posterior0aspect0of0the0thyroid0gland0but0cannot0 be0palpated0i
n0a0patient;0the0thyroid0 gland0can0be0palpated0on0 a0patient0within0the0mi
dline0cervical0area.0The0large0strap0muscle,0the0sternocleidomastoid0 mus
cle,0 is0 easily0 palpated0 on0 each0 side0 of0 the0neck.0 The0 submandibular0 saliv
ary0 gland0 is0 in0 the0 neck0 region0 but0 not0 in0the0midline.

REF:0 Chapter01,0Neck0Regions,0Page08

4. Which0 of0 the0 following0 statements0 concerning0 the0 zygomatic0
arch0is0correct?
a. The0temporomandibular0joint
is0superior.
b. The0infraorbital0region0is
inferior.
c. It0overlies0the0mandible.
d. The0external0ear0is0posterior.
ANS:0 D
Farther0laterally0to0the0infraorbital0region0is0the0zygomatic0region,0which
0 overlies0 the0 bony0 support0 for0 the0 cheek, 0 the0 zygomatic0 arch. 0 The0
zygom
atic0arch0extends0from0just0below0the0lateral0margin0of0the0eye0toward0t
he0middle0part0of0the0external0ear,0which0is0located0posteriorly.0Inferior0t
o0the0zygomatic0arch0and0just0anterior0to0the0external0ear0is0the0temporo
mandibular0joint.

REF:0 Chapter01,0Zygomatic0Region,0Page02

5. One0 of0 the0 muscles0 forming0 the0 cheek0 is0 the0 strong
muscle,0 which0
is0felt0when0a0patient0clenches0the0teeth0together.
a. lateral0pterygoid
b. masseter
c. medial0 pterygoid
d. temporalis
ANS:0 B
The0buccal0region0of0the0face0is0composed0of0the0soft0tissue0of0the0chee
k.0The0cheek0forms0the0side0of0the0face0and0is0a0broad0area0of0the0face0b
etween0the0nose,0mouth,0and0ear.0Most0of0the0upper0cheek0is0fleshy,0m
ainly0formed0 by0a0mass0of0fat0and0muscles.0One0of0the0muscles0 forming0
the0 cheek0 is0 the0 strong0 masseter0 muscle,0 which0 is0palpated0when0a0pati
ent0clenches0the0teeth0together.0The0pterygoid

, muscles0 are0 also0 located0 on0 each0 side0of0 the0 face0 near0 the0 mouth,0 and0th
e0temporalis0is0located0in0the0temporal0region.

REF:00 Chapter01,0Buccal0Region,0Page02

6. Just0inferior0to0the0zygomatic0arch0and0just0anterior0to0the0external0ear0i
s0the:
a. temporomandibular0joint.
b. infraorbital0region.
c. mental0region.
d. parotid0gland.
ANS:0 A
Inferior0to0the0zygomatic0arch0and0just0anterior0to0the0external0ear0is0the
0temporomandibular 0joint.0 The0infraorbital0 region0 of0the0 face0 is0located0 i

nferior0to0the0orbital0region0and0lateral0to0the0nasal0region.0Farther0later
ally0is0the0zygomatic0region,0which0overlies0the0bony0support0 for0 the0 che
ek,0the0 zygomatic0 arch.0 The0 zygomatic0 arch0 extends0from0just0below0the0
lateral0margin0of0the0eye0toward0the0middle0part0of0the0external0ear.0The
0chin0is0 the0 major0feature0 of0the0 mental0 region0 of0the0 face;0 the0 bone0 und

erlying0the0mental0region0is0the0mandible,0or0lower0jaw.0The0parotid0is0lo
cated0irregularly0from0the0zygomatic0arch0down0to0the0posterior0border0o
f0the0lower0jaw.

REF:0 Chapter01,0Zygomatic0Region,0Page02

7. The
salivary0 gland0 is0 located0 irregularly0 from0 the0 zygomatic0 arch0
down0to0the0posterior0border0of0the0lower0jaw.
a. parotid
b. submandibular
c. von0Ebner
d. sublingual
ANS:0 A
The0parotid0is0located0irregularly0from0the0zygomatic0arch0down0to0the0p
osterior0border0of0the0lower0jaw.0Both0the0submandibular0salivary0and0su
blingual0are0in0the0neck0region.0The0von0Ebner0refers0to0minor0glands0loc
ated0deep0to0the0circumvallate0lingual0papillae0on0the0dorsal0surface0of0t
he0tongue.

REF:00 Chapter01,0Buccal0Region,0Page02

8. The
extends0from0just0below0the0lateral0margin0of0the0eye0toward0t
he0middle0part0of0the0external0ear.
a. temporomandibular0joint
b. zygomatic0arch
c. labial0commissure