(Test Bank) Anatomy Of Orofacial Structures

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Test Bank

8th Edition

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Anatomy of Orofacial Structures 8th Edition Brand Test Bank 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 t o 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 g rowths, 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 Anatomy of Orofacial Structures 8th Edition Brand Test Bank U S N T Contraction of the mylohyoid muscle raises the tongue. The palatopharyngeal muscle and the palatoglossal muscle form the posterolateral borders of the oral cavity. There is no t a muscle by the name of levator glossal. REF: p. 7 OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the structures that form them NAT: CDA: GC I.A.4. Identify basic oral anatomy and physiology, including but not limited to: muscles. TOP: BLOOM: Remembering 4. The oral vestibule is partially bordered by the lips and cheeks. The oral cavity proper extends posteriorly to the soft palate. 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: B The oral vestibule is the space or potential space that exists between the lips or cheeks and teeth. In an edentulous person, the vestibule would extend between the lips or cheeks and the alveolar ridges. The oral cavity proper is surrounded by teeth or alveolar ridges and extends all the way back to the palatine tonsils. This includes the region from the floor of the mouth upward to the hard and soft pala tes. REF: p. 2 OBJ: To describe the boundaries and sub-boundaries of the oral cavity and the structures in each area NAT: CDA: GC I.A.6. IdentifyNbasRic oIral aGnatoBm.yCandMphysiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 5. Each of the following is true of the uvula EXCEPT one. Which one is the EXCEPTION? a. It is located at the most posterior portion of the hard palate. b. It is located at the midline. c. It is a downwardly projecting muscle. d. It is necessary for swallowing. ANS: D The uvula is a downwardly projecting muscular tissue located at the midline of the most posterior portion of the hard palate. It is NOT necessary for swallowing. REF: p. 6 OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the structures that form them NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 6. The circumvallate papillae are located on the hard palate, buccal mucosa, and floor of the mouth. The papillae found on the tongue are the filiform, fungiform, vallate, foliate, and incisive. 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. Anatomy of Orofacial Structures 8th Edition Brand Test Bank U S N T d. Both statements are false. ANS: D All papillae listed in both statements are located on the tongue with the exception of the incisive papilla, which is located on the hard palate. Note that the incisive papilla is a singular structure, thus the different spelling. There are no papillae located on either the buccal mucosa or the floor of the mouth. REF: p. 7 OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the structures that form them NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 7. Each of the following structures can readily be viewed when examining the oral cavity EXCEPT one. Which one is the EXCEPTION? a. Fovea palatinae b. Tonsillar pillars c. Laryngeal pharynx d. Sublingual fold ANS: C The laryngeal pharynx is located below the oral pharynx and cannot be seen while examining the oral cavity. The fovea palatinae, the tonsillar pillars, and the sublingual fold can be seen when examining the oral cavity. Fovea palatinae are small depressions in mucosa on either side of the posterior nasal spine indi cating the junction of the hard and soft palate. Tonsillar pillars are folds of tissue that partially surround the tonsils. The sublingual fold extends backward on either side of thNe floRor Iof thGe mBo.utCh anMd is situated just superior to the submandibular gland. REF: p. 2 | pp. 6-7 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 8. Each of the following structures is located within the hard palate EXCEPT one. Which one is the EXCEPTION? a. Incisive papilla b. Rugae c. Greater palatine foramina d. The anterior and posterior pillars ANS: D The anterior and posterior pillars are located posterior to the soft palate. The posterior pillar is also called the palatopharyngeal arch or fold. The anterior pillar is also called the palatoglossal arch or fold. The tonsils lie between the anterior and posterior pillars. The incisive papilla and rugae are located on the anterior portion of the hard palate. The greater palatine foramina are located in the posterior portions of the hard palate lingual to the second and third maxillary molars. REF: pp. 5-6 Anatomy of Orofacial Structures 8th Edition Brand Test Bank OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the structures that form them NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 9. The small bony growths that commonly occur on the buccal cortical plate of the maxillae and the mandible are called a. torus palatinus b. mandibular tori c. exostoses d. maxillary tuberosity ANS: C Exostoses, small bony growths that occur on the buccal cortical plate on the mandible and the maxillae, are seen in a large portion of the population. They are normally inconsequential unless they become tender or a denture is needed. Exostoses occur more frequently on the mandible than on the maxillae. Torus palatinus are excess bony growths that commonly occur in the midline of the palate. Mandibular tori are bony swellings that frequently occur on the lingual surface of the mandible at the canine area. The maxillary tuberosity is a rounded bony protrusion in the area of the third molar. REF: p. 4 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 10. Which structure is the MOST vascular in appearance? a. Mucogingival junction b. Alveolar mucosa c. Labial frenum d. Gingiva ANS: B The alveolar mucosa, a thin layer of loosely attached and movable tissue, covers a highly vascular area. The presence of blood vessels immediately under this relatively thin mucosa is responsible for the general reddish color. By contrast, the mucogingival junction that divides the attached gingiva from the alveolar mucosa appears more pink in color. The gingiva and labial frenum also appear pink in color. REF: p. 2 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.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 11. Although a patient presenting with painful areas throughout the oral cavity or a child presenting with gingival bleeding in the presence of excellent oral hygiene should be monitored carefully, referral to a dental specialist or physician is not indicated. A patient with a red and painful tongue does warrant such a referral as does a patient with moderate plaque on all teeth. Anatomy of Orofacial Structures 8th Edition Brand Test Bank 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: D Of the four situations presented in this two -part question, only the patient with moderate plaque on all teeth does NOT warrant referral to a specialist. This patient should receive appropriate oral hygiene instructions, oral debridement, and be carefully monitored with short re-care appointments. The remaining three oral conditions described in the question describe conditions suggestive of systemic involvement and warrant further investigation, typically referral to a dental specialist or physician. In particular, gingival bleeding in the presence of excellent oral hygiene is a possible early sign of leukemia. REF: p. 8 OBJ: To differentiate normal from abnormal anatomy in the oral cavity and to ensure a follow -up examination NAT: CDA: GC I.A.1. Identify basic oral and dental anatomy, physiology and development, including but not limited to: oral cavity. TOP: BLOOM: Analyzing 12. Which structure is most closely located to the lingual frenum? a. Sublingual caruncle b. Sublingual salivary gland c. Sublingual fold d. Lingual tonsils e. All of the above ANS: A The sublingual caruncle, a small elevation on each side of the base of the lingual frenum, is the opening for the submandibular and sublingual salivary glands. Of the structures provided in the question, it is located most closely to the lingual frenum. The sublingual fold extends posteriorly from the sublingual caruncle. The lingual tonsils are located at the base of the tongue. REF: p. 7 OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the structures that form them NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 13. The term for misplaced sebaceous glands occurring in the oral cavity is rugae. These harmless, yellowish granular structures occur in about 60% to 80% of the population. 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: C Anatomy of Orofacial Structures 8th Edition Brand Test Bank U S N T Fordyce granules are misplaced sebaceous glands found in the oral cavity. These glands are normally associated with hair follicles, which are normally located in the skin. The most common locations for Fordyce granules are the lips, cheeks, and retromolar pads. Rugae are hard transverse ridges of epithelial and connective tissue located in the anterior portion of the hard palate. REF: p. 5 OBJ: To differentiate normal from abnormal anatomy in the oral cavity and to ensure a follow -up examination NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 14. Of the following structures, which is the MOST susceptible to trauma? a. Hard palate b. Buccal mucosa c. Floor of the mouth d. Dorsal surface of the tongue e. Attached gingiva ANS: C Although any oral tissue may be traumatized, the tissue in the floor of the mouth is one of the thinnest and thus very conducive to trauma. The hard palate and the attached gingiva have a more protective, fibro us nature. The dorsal (top) tongue and the buccal mucosa also have more protective features than does the mucosal lining on the floor of the mouth. Not listed as a selection, the ventral (lower) surface of the tongue is quite vulnerable to trauma. REF: p. 7 OBJ: To define the landmarksNin tRhe flIoorGof thBe.mCouthMand the hard and soft palate and the structures that form them NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 15. A generally healthy man in his forties is curious about ―little raised yellow spots‖ on his buccal mucosa. He has noticed them in the past but they do not seem to cause problems or become larger, so has not previously asked about them. These areas are MOST likely a. vallate papillae b. Kaposi’s spots c. Fordyce granules d. measles ANS: C Fordyce granules are ectopic, or misplaced, sebaceous glands that occur on oral mucosal surfaces. They appear as small raised yellowish or whitish spots. Although alarming to patients, these formations are harmless. Vallate papillae, also called circumvallate papillae, are the large V-shaped row of taste buds located on the posterior dorsum of the tongue. Kaposi’s spots, associated with immunodeficiency, are red and painful. Measles can appear anywhere on the body, including the oral cavity, and are red in color. REF: p. 4 OBJ: To differentiate normal from abnormal anatomy in the oral cavity and to ensure a follow -up examination NAT: CDA: GC I.A.3. Identify basic oral anatomy and physiology, including but not limited to: Anatomy of Orofacial Structures 8th Edition Brand Test Bank glands/lymphatics. TOP: BLOOM: Understanding 16. Fordyce granules normally function as a. taste buds b. a characteristic of a malignancy c. sebaceous glands d. an infectious viral illness ANS: C Fordyce granules are misplaced sebaceous glands that appear as very small yellowish granular structures on oral mucosal surfaces in the oral cavity of 60% to 80% of the population. Sebaceous glands normally occur in the skin; when they are present in the oral cavity they are considered misplaced, or ectopic. Although Fordyce granules may be alarming to patients, they are harmless. They most commonly occur in the mucosa of the lips, cheeks, retromolar pads, and gingival tissues. REF: p. 4 OBJ: To differentiate normal from abnormal anatomy in the oral cavity and to ensure a follow -up examination NAT: CDA: GC I.A.3. Identify basic oral anatomy and physiology, including but not limited to: glands/lymphatics. TOP: BLOOM: Remembering 17. In the following illustration, structure ―a‖ is the NURSI a. mucobuccal fold b. maxillary labial frenum c. mandibular labial frenum d. mucogingival junction ANS: B At the midline of the upper lip, a fold of connective tissue known as the maxillary labial frenum can be found. A corresponding structure, the mandibular labial frenum, is present at the midline of the lower lip. The upper frenum is usually more pronounced than the lower. Both structures, as well as additional less well -defined frena, serve to attach the lips to the arch and contain only connective tissue. Structure ―b‖ is the mandibular labial frenum. Structure ―c‖ is the mucogingival junction. Structure ―d‖ is the mucobuccal fold. REF: pp. 3-4 OBJ: To define the terms vestibule, oral cavity proper, mucobuccal fold, frenum, alveolar mucosa, gingiva, exostoses, torus palatinus, and torus mandibularis Anatomy of Orofacial Structures 8th Edition Brand Test Bank N R I G B.C NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 18. In the following illustration, structure ―b‖ is the a. mucobuccal fold b. mucogingival junction c. maxillary labial frenum d. mandibular labial frenum ANS: D At the midline of the lower lip, a fold of connective tissue known as the mandibular labial frenum can be found. A mandibular frenal attachment that extends too close to the gingiva may contribute to gingival recession. A corresponding structure, the maxillary labial frenum, is present at the midline of the upper lip. Both structures, as well as additional less well-defined frena, serve to attach the lips to the arch and contain only connective tissue. Structure ―a‖ is the maxillary lUabiaSl freNnumT. StrucOture ―c‖ is the mucogingival junction. Structure ―d‖ is the mucobuccal fold. REF: pp. 3-4 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.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 19. In the following illustration, structure ―c‖ is the a. mucogingival junction b. mandibular labial frenum Anatomy of Orofacial Structures 8th Edition Brand Test Bank NURSI c. maxillary labial frenum d. mucobuccal fold ANS: A The mucogingival junction is the demarcation between the attached gingiva and the more loosely connected alveolar mucosa. A change in tissue color is evident at the mucogingival junction. The attached gingiva is pink in color whereas the alveolar mucosa is considerably more red. Structure ―a‖ is the maxillary labial frenum. Structure ―b‖ is the mandibular labial frenum. Structure ―d‖ is the mucobuccal fold. REF: pp. 3-4 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 20. In the following illustration, structure ―d‖ is the a. mandibular labial frenum b. mucogingival junction c. mucobuccal fold d. maxillary labial frenum ANS: C The point at which the mucosa of the lips or cheeks joins the gingival tissue is known as the mucobuccal fold or mucolabial fold. These structures are generally located slightly distal to the canine teeth and are quite e vident. Structure ―a‖ is the maxillary labial frenum. Structure ―b‖ is the mandibular labial frenum. Structure ―c‖ is the mucogingival junction. REF: pp. 3-4 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.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 21. In the following illustration, structure ―a‖ is the Anatomy of Orofacial Structures 8th Edition Brand Test Bank a. sublingual fold b. lingual frenum c. sublingual caruncle ANS: B The lingual frenum, also called the lingual frenulum, extends from an area near the tip of the ventral surface of the tongue to the floor of the mouth. If this frenum is attached close to the tip of the tongue and is rather short, the tongue movement will be limited resulting in a condition called ankyloglossia, or tongue tie. In the illustration, structure ―b‖ is the sublingual fold; structure ―c‖ is the sublingual caruncle. REF: p. 7 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.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering In the following illustration, structure ―b‖ is the 2 . a. sublingual fold b. lingual frenum c. sublingual caruncle ANS: A The sublingual fold, a bilateral formation, extends from the sublingual caruncle and runs back along the floor of the mouth. In the illustration structure ―a‖ is the lingual frenum; structure ―c‖ is the sublingual caruncle. REF: p. 7 OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the structures that form them Anatomy of Orofacial Structures 8th Edition Brand Test Bank U S N T NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 23. In the following illustration, structure ―c‖ is the a. sublingual fold b. sublingual caruncle c. lingual frenum ANS: B The sublingual caruncle is the opening for the ducts of the submandibular and sublingual salivary glands. It is a small elevation located at the base of each side of the lingual frenum. Structure ―a‖ is the lingual frenum. Structure ―b‖ is the sublingual fold. REF: p. 7 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.6. IdentifyNbasRic oIral aGnatoBm.yCandMphysiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering TRUE/FALSE 1. The nasopalatine nerves and blood vessels travel through the incisive papilla. ANS: F The nasopalatine nerves and blood vessels travel through the incisive foramen as they innervate and deliver nutrients to the mucous membrane lingual to the maxillary incisor teeth. The incisive papilla, a singul ar bulge of tissue at the midline immediately posterior to the central incisors, is located just above the incisive foramen. The incisive papilla is a point of injection for anesthetizing the anterior palate between the canines. REF: p. 5 OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the structures that form them NAT: CDA: GC I.A.1. Identify basic oral anatomy and physiology, including but not limited to: blood vessels. TOP: BLOOM: Remembering 2. Beneath the incisive papilla is an injection site called the greater palatine foramen. ANS: F Anatomy of Orofacial Structures 8th Edition Brand Test Bank U S N T Beneath the incisive papilla is the incisive foramen, which carries the nasopalatine nerves and blood vessels to the mucous membrane lingual to the maxillary incisor teeth. The incisive foramen is a point of injection for anesthetizing the anterior palate area between the canines. The greater palatine foramen, which serves as a landmark for local ane sthesia, is located on the posterior portion of the hard palate adjacent to the maxillary second and third molars. REF: p. 5 OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the structures that form them NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 3. The posterior portion of the soft palate is a part of the esophagus. ANS: F Most of the posterior portion of the soft palate is part of the oral pharynx. Food reaches the esophagus AFTER passing both the oral pharynx and laryngeal pharynx. REF: p. 6 OBJ: To define the landmarks in the floor of the mouth and the hard and soft palate and the structures that form them NAT: CDA: GC I.A.6. Identify basic oral anatomy and physiology, including but not limited to: oral cavity. TOP: BLOOM: Remembering 4. Projections on the cortical plate are exostoses of bone. ANS: T Exostoses are small, bony grNowtRhs loIcatGed oBn.thCe coMrtical plate of the mandible and maxillae. They generally occur more frequently on the mandible than on the maxilla. Exostoses are normally of no consequence unless they become tender from toothbrushing or if dentures are being constructed. REF: p. 4 OBJ: To differentiate normal from abnormal anatomy in the oral cavity and to ensure a follow -up examination NAT: CDA: GC I.A.2. Identify basic oral anatomy and physiology, including but not limited to: bones. TOP: BLOOM: Remembering 5. The indentation at the midline above the upper lip is called the philtrum. ANS: T The philtrum, derived from the embryonic nasal processes, is an indentation at the midline of the upper lip. It is at the lateral junction of the philtrum that a cleft lip might be formed. REF: p. 2 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 6. Lymphoid tissues located at the base of the tongue are known as foliate papillae. Anatomy of Orofacial Structures 8th Edition Brand Test Bank ANS: F Enlargements of lymphoid tissue located at the base of the tongue are collectively known as lingual tonsils. Rudimentary foliate papillae are located on the lateral surfaces of the tongue. Both lingual tonsils and foliate papillae should be carefully examined because their location makes them difficult to see and might hide early signs of oral cancer. REF: p. 7 OBJ: To differentiate normal from abnormal anato my in the oral cavity and to ensure a follow -up examination NAT: CDA: GC I.A.3. Identify basic oral anatomy and physiology, including but not limited to: glands/lymphatics. TOP: BLOOM: Remembering 7. The ridge of bone that can be palpated in the upper posterior aspect of the vestibular space is referred to as the vestibular zygomaticoalveolar crest. ANS: T The zygomaticoalveolar crest is a ridge of bone that marks the beginning of the anterior part of the zygomatic arch (cheek bone) and can be palpated by running the finger along the upper posterior vestibular space. REF: p. 2 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 NURSINGTB.COM Anatomy of Orofacial Structures 8th Edition Brand Test Bank Chapter 02: The Tooth: Functions and Terms Brand/Isselhard: Anatomy of Orofacial Structures, 8th Edition MULTIPLE CHOICE 1. The sensation of pain is felt in which part of the tooth? a. Enamel b. Dentin c. Cementum d. Pulp ANS: D The dental pulp is the sensory and nourishing portion of the tooth. It is composed of blood vessels, lymph vessels, connective tissue, and nerve cells. The pulp also contains special dentin-reparative/formative cells called odontoblasts. Sensation of pain is not felt in enamel, cementum, or dentin. REF: pp. 15-17 OBJ: To identify the different tissues that compose teeth NAT: CDA: GC I.A.7. Identify basic oral and dental anatomy, physiology, and development, including but not limited to: teeth. TOP: BLOOM: Remembering 2. Each of the following terms refers to an ―in-between‖ surface EXCEPT one. Which one is the EXCEPTION? a. Facial b. Mesial c. Distal d. Proximal ANS: A NURS INGT B.COM Proximal, mesial, and distal are terms that describe surfaces of teeth that face a neighboring tooth; they also can be thought of as ―in-between‖ surfaces. Proximal is the more general term for this type of surface. More specifically, a mesial surface is t he proximal surface of a tooth closest to the midline; distal describes the proximal surface farthest from the midline. Facial surfaces are NOT proximal surfaces. Facial surfaces are more specifically known as labial (lip) surfaces on anterior teeth or buc cal surfaces on posterior teeth. REF: p. 19 OBJ: To define the terminology used in naming the landmarks of teeth NAT: CDA: GC I.A.7. Identify basic oral and dental anatomy, physiology, and development, including but not limited to: teeth. | CDA: GC I.C.2. Identify the surfaces of the tooth. TOP: BLOOM: Remembering 3. Which of the following is an example of a line angle? a. Mesiolabioincisal b. Buccolingual c. Mesiodistal d. Labioincisal e. Inciso-occlusal ANS: D