Test Bank For Anatomy of Orofacial Structures 8th Edition By Richard W. Brand; Donald E. Isselhard 9780323480239 Chapter 1-36 | Complete Guide A+

Chapter 01: Oral Cavity
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Brand/Isselhard: Anatomy of Orofacial Structures, 8th Edition
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,MULTIPLE CHOICE s3




1. A diastema is a space between two teeth in the same arch. When this occurs between
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s3 the maxillary central incisors, it is often the result of a pronounced labial frenum.
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a. Both statements are true. s3 s3 s3


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. s3 s3 s3




ANS: A s3


A space, or lack of contact area, between any two teeth in the same arch is called a
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diastema. When a diastema occurs between the maxillary central incisors, it is often the
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result of a pronounced labial frenum extending to the crest of the alveolar ridge and
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possibly over the ridge. This band of firm connective tissue causes the erupting incisors
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to be pushed aside resulting in a diastema, or space. Correction of a diastema usually
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involves surgical removal, or cutting, of the frenal tissue between teeth.
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REF: s 3 p. 3 s3


OBJ: s 3 To describe the boundaries and sub-boundaries of the oral cavity and the structures in each
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area
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NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to:
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oral cavity. TOP:
s3 BLOOM: Remembering
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2. Torus palatinus is seen on the
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a. soft palate s3


b. hard palate s3


c. alveolar ridge s3


d. oral pharynx s3




ANS: B s3


Torus palatinus is excess bone growth and occurs in the midline of the hard palate. It
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may grow to varying sizes and is generally only a problem when the construction of a
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maxillary denture is necessary. In health, such bony protuberances, or excess bone
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growths, do not occur on the soft palate, alveolar ridge, or oral pharynx.
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REF: p. 5 s 3 s3


OBJ: To define the terms vestibule, oral cavity proper, mucobuccal fold, frenum, alveolar
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mucosa, gingiva, exostoses, torus palatinus, and torus mandibularis
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NAT: CDA: GC I.A.2. Identify basic oral anatomy and physiology, including but not
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limited to: bones. TOP:
s3 BLOOM: Remembering
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3. Contraction of which muscle raises the tongue upward? s3 s3 s3 s3 s3 s3 s3


a. Mylohyoid
b. Palatopharyngeal
c. Palatoglossal
d. Levator glossal s3




ANS: A s3




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, Contraction of the mylohyoid muscle raises the tongue. The palatopharyngeal muscle and
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the palatoglossal muscle form the posterolateral borders of the oral cavity. There is not a
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muscle by the name of levator glossal.
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REF: p. 7 s 3 s3


OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the
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structures that form them
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NAT: CDA: GC I.A.4. Identify basic oral anatomy and physiology, including but not
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limited to: muscles. TOP: BLOOM: Remembering
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4. The oral vestibule is partially bordered by the lips and cheeks. The oral cavity proper
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s3 extends posteriorly to the soft palate.
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a. Both statements are true. s3 s3 s3


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. s3 s3 s3




ANS: B s3


The oral vestibule is the space or potential space that exists between the lips or cheeks
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and teeth. In an edentulous person, the vestibule would extend between the lips or cheeks
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and the alveolar ridges. The oral cavity proper is surrounded by teeth or alveolar ridges
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and extends all the way back to the palatine tonsils. This includes the region from the
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floor of the mouth upward to the hard and soft palates.
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REF: s 3 p. 2 s3


OBJ: s 3 To describe the boundaries and sub-boundaries of the oral cavity and the structures in each
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area
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NAT: CDA: GC I.A.6. IdentifyNbasR
s 3
U SicNoIrTal aGnatoBm.y CandMphysiology, including but not limited
to: oral cavity. TOP: BLOOM: Remembering
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5. Each of s3 s3 the following is true of the uvula EXCEPT one. Which one is the EXCEPTION?
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a. It is s3 s3 located at the most posterior portion of the hard palate.
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b. It is s3 s3 located at the midline. s3 s3 s3


c. It is s3 s3 a downwardly projecting muscle.
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d. It is s3 s3 necessary for swallowing. s3 s3




ANS: D s3


The uvula is a downwardly projecting muscular tissue located at the midline of the most
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posterior portion of the hard palate. It is NOT necessary for swallowing.
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REF: p. 6 s 3 s3


OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the
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structures that form them
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NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to:
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oral cavity. TOP:
s3 s3 BLOOM: Remembering s3 s3




6. The circumvallate papillae are located on the hard palate, buccal mucosa, and floor of
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the mouth. The papillae found on the tongue are the filiform, fungiform, vallate,
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foliate, and incisive.
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a. Both statements are true. s3 s3 s3


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. s3 s3 s3




ANS: D s3


All papillae listed in both statements are located on the tongue with the exception of the
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incisive papilla, which is located on the hard palate. Note that the incisive papilla is a
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singular structure, thus the different spelling. There are no papillae located on either the
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buccal mucosa or the floor of the mouth.
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REF: p. 7 s 3 s3


OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the
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structures that form them
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NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to:
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oral cavity. TOP:
s3 s3 BLOOM: Remembering s3 s3




7. Each of the following structures can readily be viewed when examining the oral
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s3 cavity EXCEPT one. Which one is the EXCEPTION?
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a. Fovea palatinae s3


b. Tonsillar pillars s3


c. Laryngeal pharynx s3


d. Sublingual fold s3




ANS: C s3


The laryngeal pharynx is located below the oral pharynx and cannot be seen while
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examining the oral cavity. The fovea palatinae, the tonsillar pillars, and the sublingual
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fold can be seen when examining the oral cavity. Fovea palatinae are small depressions
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in mucosa on either side of the posterior nasal spine indicating the junction of the hard
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and soft palate. Tonsillar pillars are folds of tissue that partially surround the tonsils.
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The sublingual fold extends
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backward on either side of t hNe floRor I
submandibular gland.
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U S NoTf t hGe mBo.
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h a nMd is situated just superior to the
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REF: s 3 p. 2 | pp. 6-7 s3 s3 s3 s3


OBJ: s 3 To describe the boundaries and sub-boundaries of the oral cavity and the structures in each
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area
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NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to:
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oral cavity. TOP:
s3 s3 BLOOM: Remembering s3 s3




8. Each of the following structures is located within the hard palate EXCEPT one. Which
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one is the EXCEPTION?
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a. Incisive papilla s3


b. Rugae
c. Greater palatine foramina s3 s3


d. The anterior and posterior pillars
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ANS: D s3


The anterior and posterior pillars are located posterior to the soft palate. The posterior
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pillar is also called the palatopharyngeal arch or fold. The anterior pillar is also called
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the palatoglossal arch 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
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greater palatine foramina are located in the posterior portions of the hard palate lingual to
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the second and third maxillary molars.
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REF: s 3 pp. 5-6 s3




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