Anatomy of Orofacial Structures 8th Brand Test Bank

, Anatomy of Orofacial Structures 8th Edition Brand Test Bank
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Chapter 01: Oral Cavity
Brand/Isselhard: Anatomy of Orofacial Structures, 8th Edition


MULTIPLE CHOICE

1. A diastema is a space between two teeth in the same arch. When this occurs between the
maxillary central incisors, it is often the result of a pronounced labial frenum.
a. Both statements are true.
b. The first statement is true; the second statement is false.
c. The first statement is false; the second statement is true.
d. Both statements are false.
ANS: A
A space, or lack of contact area, between any two teeth in the same arch is called a diastema.
When a diastema occurs between the maxillary central incisors, it is often the result of a
pronounced labial frenum extending to the crest of the alveolar ridge and possibly over the
ridge. This band of firm connective tissue causes the erupting incisors to be pushed aside
resulting in a diastema, or space. Correction of a diastema usually involves surgical removal,
or cutting, of the frenal tissue between teeth.

REF: p. 3
OBJ: To describe the boundaries and sub-boundaries of the oral cavity and the structures in each area

NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral
cavity. TOP: BLOOM: Remembering

2. Torus palatinus is seen on the
a. soft palate
b. hard palate
c. alveolar ridge
d. oral pharynx
ANS: B
Torus palatinus is excess bone growth and occurs in the midline of the hard palate. It may
grow to varying sizes and is generally only a problem when the construction of a maxillary
denture is necessary. In health, such bony protuberances, or excess bone growths, do not
occur on the soft palate, alveolar ridge, or oral pharynx.

REF: p. 5
OBJ: To define the terms vestibule, oral cavity proper, mucobuccal fold, frenum, alveolar mucosa,
gingiva, exostoses, torus palatinus, and torus mandibularis
NAT: CDA: GC I.A.2. Identify basic oral anatomy and physiology, including but not limited to:
bones. TOP: BLOOM: Remembering

3. Contraction of which muscle raises the tongue upward?
a. Mylohyoid
b. Palatopharyngeal
c. Palatoglossal
d. Levator glossal
ANS: A




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, Anatomy of Orofacial Structures 8th Edition Brand Test Bank hj hj hj hj hj hj hj hj




Contraction of the mylohyoid muscle raises the tongue. The palatopharyngeal muscle and the pa
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latoglossal muscle form the posterolateral borders of the oral cavity. There is not a muscle by th
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e name of levator glossal.
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REF: p. 7 h j hj



OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the structures that
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form them hj



NAT: CDA: GC I.A.4. Identify basic oral anatomy and physiology, including but not limited to:
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muscles. TOP: BLOOM: Remembering h j hj




4. The oral vestibule is partially bordered by the lips and cheeks. The oral cavity proper extends po
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steriorly to the soft palate. hj hj hj hj



a. Both statements are true. hj hj hj



b. The first statement is true; the second statement is false.
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c. The first statement is false; the second statement is true.
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d. Both statements are false. hj hj hj




ANS: B hj



The oral vestibule is the space or potential space that exists between the lips or cheeks and teeth
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. In an edentulous person, the vestibule would extend between the lips or cheeks and the alveolar
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ridges. The oral cavity proper is surrounded by teeth or alveolar ridges and extends all the way
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back to the palatine tonsils. This includes the region from the floor of the mouth upward to the h
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ard and soft palates.
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REF: p. 2 h j hj



OBJ: To describe the boundaries and sub-boundaries of the oral cavity and the structures in each area
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NAT: CDA: GC I.A.6. IdentifyNbasR
cavity. TOP:
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UicSoI
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Nr alTaGnatoBm.y CandMphysiology, including but not limited to: oral
BLOOM: Remembering
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5. Each of the following is true of the uvula EXCEPT one. Which one is the EXCEPTION?
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a. It is located at the most posterior portion of the hard palate.
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b. It is located at the midline.
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c. It is a downwardly projecting muscle.
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d. It is necessary for swallowing.
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ANS: D hj



The uvula is a downwardly projecting muscular tissue located at the midline of the most posterior
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portion of the hard palate. It is NOT necessary for swallowing.
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REF: p. 6 h j hj



OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the structures that
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form them hj



NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral c
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avity. TOP: BLOOM: Remembering
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6. The circumvallate papillae are located on the hard palate, buccal mucosa, and floor of the m
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outh. The papillae found on the tongue are the filiform, fungiform, vallate, foliate, and inci
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sive.
a. Both statements are true. hj hj hj



b. The first statement is true; the second statement is false.
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c. The first statement is false; the second statement is true.
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, Anatomy of Orofacial Structures 8th Edition Brand Test Bank hj hj hj hj hj hj hj hj




d. Both statements are false. hj hj hj




ANS: D hj



All papillae listed in both statements are located on the tongue with the exception of the incisive
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papilla, which is located on the hard palate. Note that the incisive papilla is a singular structure,
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thus the different spelling. There are no papillae located on either the buccal mucosa or the floor
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of the mouth.
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REF: p. 7 h j hj



OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the structures that
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form them hj



NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral c
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avity. TOP: BLOOM: Remembering
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7. Each of the following structures can readily be viewed when examining the oral cavity E
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XCEPT one. Which one is the EXCEPTION? hj hj hj hj hj hj



a. Fovea palatinae hj



b. Tonsillar pillars hj



c. Laryngeal pharynx hj



d. Sublingual fold hj




ANS: C hj



The laryngeal pharynx is located below the oral pharynx and cannot be seen while examining the
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oral cavity. The fovea palatinae, the tonsillar pillars, and the sublingual fold can be seen when
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examining the oral cavity. Fovea palatinae are small depressions in mucosa on either side of the
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posterior nasal spine indicating the junction of the hard and soft palate. Tonsillar pillars are fol
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ds of tissue that partially surround the tonsils. The sublingual fold extends
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backward on either side of t hNe floRor I
U S N TG B.C M
of t h e mouth a n d is situated just superior to the submandibular
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gland. hj hj hj




REF: p. 2 | pp. 6-7 h j hj hj hj hj



OBJ: To describe the boundaries and sub-boundaries of the oral cavity and the structures in each area
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NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral c
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avity. TOP: BLOOM: Remembering
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8. Each of the following structures is located within the hard palate EXCEPT one. Which one is th
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e EXCEPTION?
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a. Incisive papilla hj



b. Rugae
c. Greater palatine foramina hj hj



d. The anterior and posterior pillars hj hj hj hj




ANS: D hj



The anterior and posterior pillars are located posterior to the soft palate. The posterior pillar is al
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so called the palatopharyngeal arch or fold. The anterior pillar is also called the palatoglossal ar
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ch or fold. The tonsils lie between the anterior and posterior pillars.
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The incisive papilla and rugae are located on the anterior portion of the hard palate. The greater
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palatine foramina are located in the posterior portions of the hard palate lingual to the second an
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d third maxillary molars.
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REF: pp. 5-6 h j hj




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