RII-Ch. 27
8. A ____ is a tubelike passageway through bone that contains nerves and blood vessels. A. Canal C. Fossa B. Foramen D. Sinus
ANS: A Feedback A A canal is a tubelike passageway through bone that contains nerves and blood vessels. B A canal is a tubelike passageway through bone that contains nerves and blood vessels. C A canal is a tubelike passageway through bone that contains nerves and blood vessels. D A canal is a tubelike passageway through bone that contains nerves and blood vessels. PTS: 1 REF: Page 328, Spaces and Depressions in Bone
9. A foramen is a(n): A. Opening or hole in bone that permits the passage of nerves and blood vessels. B. Broad, shallow, scooped-out or depressed area of bone. C. Hollow space, cavity, or recess in bone. D. Sharp, thornlike projection of bone.
ANS: A Feedback A A foramen is an opening or hole in bone that permits the passage of nerves and blood vessels. B A foramen is an opening or hole in bone that permits the passage of nerves and blood vessels. C A foramen is an opening or hole in bone that permits the passage of nerves and blood vessels. D A foramen is an opening or hole in bone that permits the passage of nerves and blood vessels. PTS: 1 REF: Page 328, Spaces and Depressions in Bone
7. A ____ is defined as a marked prominence or projection of bone. A. Process C. Spine B. Ridge D. Tubercle
ANS: A Feedback A A process is defined as a marked prominence or projection of bone. B A process is defined as a marked prominence or projection of bone. C A process is defined as a marked prominence or projection of bone. D A process is defined as a marked prominence or projection of bone. PTS: 1 REF: Page 326, Prominences of Bone
6. A ridge is defined as a ____ of bone. A. Linear prominence or projection C. Small bump or nodule B. Sharp, thornlike projection D. Rounded prominence
ANS: A Feedback A A ridge is defined as a linear prominence or projection of bone. B A ridge is defined as a linear prominence or projection of bone. C A ridge is defined as a linear prominence or projection of bone. D A ridge is defined as a linear prominence or projection of bone. PTS: 1 REF: Page 327, Prominences of Bone
2. ____ bone appears predominantly radiopaque, and ____ bone appears predominantly radiolucent. A. Cortical; cancellous C. Trabecular; compact B. Cancellous; cortical D. Spongy; cortical
ANS: A Feedback A Cortical bone appears predominantly radiopaque, and cancellous bone appears predominantly radiolucent. B Cortical bone appears predominantly radiopaque, and cancellous bone appears predominantly radiolucent. C Cortical bone appears predominantly radiopaque, and cancellous bone appears predominantly radiolucent. D Cortical bone appears predominantly radiopaque, and cancellous bone appears predominantly radiolucent. PTS: 1 REF: Page 326, Cortical Bone and Cancellous Bone
57. Which of the following tooth structures is most radiopaque? A. Enamel C. Cementum B. Dentin D. Pulp
ANS: A Feedback A Enamel is the most radiopaque tooth structure. B Enamel is the most radiopaque tooth structure. C Enamel is the most radiopaque tooth structure. D Enamel is the most radiopaque tooth structure. PTS: 1 REF: Page 340, Enamel
42. Nutrient canals appear as ____ lines on a periapical radiograph. A. Vertical radiolucent C. Vertical radiopaque B. Horizontal radiolucent D. Horizontal radiopaque
ANS: A Feedback A Nutrient canals appear as vertical radiolucent lines on a periapical radiograph. B Nutrient canals appear as vertical radiolucent lines on a periapical radiograph. C Nutrient canals appear as vertical radiolucent lines on a periapical radiograph. D Nutrient canals appear as vertical radiolucent lines on a periapical radiograph. PTS: 1 REF: Page 337, Nutrient Canals
25. On a maxillary periapical radiograph, the floor of the nasal cavity appears as a ____ band of bone ____ the maxillary incisors. A. Radiolucent; above C. Radiopaque; above B. Radiolucent; below D. Radiopaque; below
ANS: A Feedback A On a maxillary periapical radiograph, the floor of the nasal cavity appears as a radiolucent band of bone above the maxillary incisors. B On a maxillary periapical radiograph, the floor of the nasal cavity appears as a radiolucent band of bone above the maxillary incisors. C On a maxillary periapical radiograph, the floor of the nasal cavity appears as a radiolucent band of bone above the maxillary incisors. D On a maxillary periapical radiograph, the floor of the nasal cavity appears as a radiolucent band of bone above the maxillary incisors. PTS: 1 REF: Page 332, Floor of Nasal Cavity
62. The alveolar crest in the posterior region tends to appear ____ dense and ____ radiopaque than the alveolar crest seen in the anterior region. A. Less; less C. Less; more B. More; more D. More; less
ANS: A Feedback A The alveolar crest in the posterior region tends to appear less dense and less radiopaque than the alveolar crest seen in the anterior region. B The alveolar crest in the posterior region tends to appear less dense and less radiopaque than the alveolar crest seen in the anterior region. C The alveolar crest in the posterior region tends to appear less dense and less radiopaque than the alveolar crest seen in the anterior region. D The alveolar crest in the posterior region tends to appear less dense and less radiopaque than the alveolar crest seen in the anterior region. PTS: 1 REF: Page 342, Shape and Density of Alveolar Bone
35. The hamulus extends from the: A. Medial pterygoid plate of the sphenoid bone. B. Lateral pterygoid plate of the sphenoid bone. C. Styloid process. D. Maxillary tuberosity.
ANS: A Feedback A The hamulus extends from the medial pterygoid plate of the sphenoid bone. B The hamulus extends from the medial pterygoid plate of the sphenoid bone. C The hamulus extends from the medial pterygoid plate of the sphenoid bone. D The hamulus extends from the medial pterygoid plate of the sphenoid bone. PTS: 1 REF: Page 334, Hamulus
33. The inverted Y is a ____ line above the maxillary ____. A. Radiopaque; canine C. Radiolucent; canine B. Radiopaque; first molar D. Radiolucent; first molar
ANS: A Feedback A The inverted Y is a radiopaque line above the maxillary canine. B The inverted Y is a radiopaque line above the maxillary canine. C The inverted Y is a radiopaque line above the maxillary canine. D The inverted Y is a radiopaque line above the maxillary canine. PTS: 1 REF: Page 334, Inverted Y
21. The lateral fossa is located between the: A. Maxillary canine and lateral incisor. C. Maxillary canine and first premolar. B. Mandibular canine and lateral incisor. D. Mandibular canine and first premolar.
ANS: A Feedback A The lateral fossa is located between the maxillary canine and lateral incisor. B The lateral fossa is located between the maxillary canine and lateral incisor. C The lateral fossa is located between the maxillary canine and lateral incisor. D The lateral fossa is located between the maxillary canine and lateral incisor. PTS: 1 REF: Page 330, Lateral Fossa
45. The mental fossa is located ____ the mental ridge in the mandibular ____ region. A. Above; incisor C. Above; premolar B. Below; incisor D. Below; premolar
ANS: A Feedback A The mental fossa is located above the mental ridge in the mandibular incisor region. B The mental fossa is located above the mental ridge in the mandibular incisor region. C The mental fossa is located above the mental ridge in the mandibular incisor region. D The mental fossa is located above the mental ridge in the mandibular incisor region. PTS: 1 REF: Page 337, Mental Fossa
43. The mental ridge is located on the ____ portion of the mandible. A. External surface of the anterior C. External surface of the posterior B. Internal surface of the anterior D. Internal surface of the posterior
ANS: A Feedback A The mental ridge is located on the external surface of the anterior portion of the mandible. B The mental ridge is located on the external surface of the anterior portion of the mandible. C The mental ridge is located on the external surface of the anterior portion of the mandible. D The mental ridge is located on the external surface of the anterior portion of the mandible. PTS: 1 REF: Page 337, Mental Ridge
16. The superior foramina of the incisive canal are ____ tiny openings or holes in bone. A. Two C. Six B. Four D. Eight
ANS: A Feedback A The superior foramina of the incisive canal are two tiny openings or holes in bone. B The superior foramina of the incisive canal are two tiny openings or holes in bone. C The superior foramina of the incisive canal are two tiny openings or holes in bone. D The superior foramina of the incisive canal are two tiny openings or holes in bone. PTS: 1 REF: Page 329, Superior Foramina of Incisive Canal
52. When the internal and external oblique ridges appear separate, the ____ band is the external oblique ridge. A. Superior radiopaque C. Inferior radiopaque B. Superior radiolucent D. Inferior radiolucent
ANS: A Feedback A When the internal and external oblique ridges appear separate, the superior radiopaque band is the external oblique ridge. B When the internal and external oblique ridges appear separate, the superior radiopaque band is the external oblique ridge. C When the internal and external oblique ridges appear separate, the superior radiopaque band is the external oblique ridge. D When the internal and external oblique ridges appear separate, the superior radiopaque band is the external oblique ridge. PTS: 1 REF: Page 338, Page 339, Internal Oblique Ridge
12. Which of the following radiographic landmarks would appear radiolucent? A. Septum C. Tubercle B. Suture D. Tuberosity
ANS: B Feedback A A suture would appear radiolucent. B A suture would appear radiolucent. C A suture would appear radiolucent. D A suture would appear radiolucent. PTS: 1 REF: Page 328, Miscellaneous Terms
31. Bony septa and nutrient canals may be seen within the walls of the: A. Median palatal suture. C. Incisive foramen. B. Maxillary sinus. D. Anterior nasal spine.
ANS: B Feedback A Bony septa and nutrient canals may be seen within the walls of the maxillary sinus. B Bony septa and nutrient canals may be seen within the walls of the maxillary sinus. C Bony septa and nutrient canals may be seen within the walls of the maxillary sinus. D Bony septa and nutrient canals may be seen within the walls of the maxillary sinus. PTS: 1 REF: Page 332, Septa within Maxillary Sinus, Page 334, Nutrient Canals within Maxillary Sinus
41. Interdental nutrient canals are most often seen in the: A. Anterior maxilla. C. Posterior maxilla. B. Anterior mandible. D. Posterior mandible.
ANS: B Feedback A Interdental nutrient canals are most often seen in the anterior mandible. B Interdental nutrient canals are most often seen in the anterior mandible. C Interdental nutrient canals are most often seen in the anterior mandible. D Interdental nutrient canals are most often seen in the anterior mandible. PTS: 1 REF: Page 336, Nutrient Canals
61. On a dental radiograph, the periodontal ligament space (PDL) space appears as a ____ line around the root of a tooth. A. Thin radiopaque C. Wide radiopaque B. Thin radiolucent D. Wide radiolucent
ANS: B Feedback A On a dental radiograph, the PDL space appears as a thin radiolucent line around the root of a tooth. B On a dental radiograph, the PDL space appears as a thin radiolucent line around the root of a tooth. C On a dental radiograph, the PDL space appears as a thin radiolucent line around the root of a tooth. D On a dental radiograph, the PDL space appears as a thin radiolucent line around the root of a tooth. PTS: 1 REF: Page 341, Periodontal Ligament Space
60. On a dental radiograph, the alveolar crest is typically located ____ mm below the junction of the crown and the root surfaces. A. 0.5 to 1.0 C. 2.0 to 3.0 B. 1.5 to 2.0 D. 1.5 to 3.0
ANS: B Feedback A On a dental radiograph, the alveolar crest is typically located 1.5 to 2.0 mm below the junction of the crown and the root surfaces. B On a dental radiograph, the alveolar crest is typically located 1.5 to 2.0 mm below the junction of the crown and the root surfaces. C On a dental radiograph, the alveolar crest is typically located 1.5 to 2.0 mm below the junction of the crown and the root surfaces. D On a dental radiograph, the alveolar crest is typically located 1.5 to 2.0 mm below the junction of the crown and the root surfaces. PTS: 1 REF: Page 341, Alveolar Crest
50. On a mandibular periapical radiograph, the mandibular canal is a ____ band that appears below or superimposed over the apices of the mandibular ____ teeth. A. Radiolucent; incisor C. Radiopaque; incisor B. Radiolucent; molar D. Radiopaque; molar
ANS: B Feedback A On a mandibular periapical radiograph, the mandibular canal is a radiolucent band that appears below or superimposed over the apices of the mandibular molar teeth. B On a mandibular periapical radiograph, the mandibular canal is a radiolucent band that appears below or superimposed over the apices of the mandibular molar teeth. C On a mandibular periapical radiograph, the mandibular canal is a radiolucent band that appears below or superimposed over the apices of the mandibular molar teeth. D On a mandibular periapical radiograph, the mandibular canal is a radiolucent band that appears below or superimposed over the apices of the mandibular molar teeth. PTS: 1 REF: Page 338, Mandibular Canal
15. On a ____ periapical radiograph, the incisive foramen appears as a small, ovoid or round ____ area located between the roots of the central incisors. A. Maxillary; radiopaque C. Mandibular; radiopaque B. Maxillary; radiolucent D. Mandibular; radiolucent
ANS: B Feedback A On a maxillary periapical radiograph, the incisive foramen appears as a small, ovoid or round radiolucent area located between the roots of the central incisors. B On a maxillary periapical radiograph, the incisive foramen appears as a small, ovoid or round radiolucent area located between the roots of the central incisors. C On a maxillary periapical radiograph, the incisive foramen appears as a small, ovoid or round radiolucent area located between the roots of the central incisors. D On a maxillary periapical radiograph, the incisive foramen appears as a small, ovoid or round radiolucent area located between the roots of the central incisors. PTS: 1 REF: Page 329, Incisive Foramen
24. On a maxillary periapical radiograph, the nasal septum may be superimposed over the: A. Canine. C. Greater palatine foramen. B. Median palatal suture. D. Genial tubercles.
ANS: B Feedback A On a maxillary periapical radiograph, the nasal septum may be superimposed over the median palatal suture. B On a maxillary periapical radiograph, the nasal septum may be superimposed over the median palatal suture. C On a maxillary periapical radiograph, the nasal septum may be superimposed over the median palatal suture. D On a maxillary periapical radiograph, the nasal septum may be superimposed over the median palatal suture. PTS: 1 REF: Page 331, Nasal Septum
36. On a maxillary periapical radiograph, the zygomatic process appears as a ____ to the maxillary first molar region. A. radiolucency located inferior C. radiolucency located superior B. radiopacity located superior D. radiopacity located inferior
ANS: B Feedback A On a maxillary periapical radiograph, the zygomatic process appears as a radiopacity located superior to the maxillary first molar region. B On a maxillary periapical radiograph, the zygomatic process appears as a radiopacity located superior to the maxillary first molar region. C On a maxillary periapical radiograph, the zygomatic process appears as a radiopacity located superior to the maxillary first molar region. D On a maxillary periapical radiograph, the zygomatic process appears as a radiopacity located superior to the maxillary first molar region. PTS: 1 REF: Page 335, Zygomatic Process of Maxilla
18. On a periapical radiograph, the superior foramina appear as radiolucencies located superior to apices of the: A. Maxillary canines. C. Mandibular canines. B. Maxillary central incisors. D. Mandibular central incisors.
ANS: B Feedback A On a periapical radiograph, the superior foramina appear as radiolucencies located superior to apices of the maxillary central incisors. B On a periapical radiograph, the superior foramina appear as radiolucencies located superior to apices of the maxillary central incisors. C On a periapical radiograph, the superior foramina appear as radiolucencies located superior to apices of the maxillary central incisors. D On a periapical radiograph, the superior foramina appear as radiolucencies located superior to apices of the maxillary central incisors. PTS: 1 REF: Page 330, Superior Foramine of the Incisive Canal
26. The anterior nasal spine is located at the ____ portion of the nasal cavity. A. Anterior and superior C. Posterior and superior B. Anterior and inferior D. Posterior and inferior
ANS: B Feedback A The anterior nasal spine is located at the anterior and inferior portion of the nasal cavity. B The anterior nasal spine is located at the anterior and inferior portion of the nasal cavity. C The anterior nasal spine is located at the anterior and inferior portion of the nasal cavity. D The anterior nasal spine is located at the anterior and inferior portion of the nasal cavity. PTS: 1 REF: Page 332, Anterior Nasal Spine
56. The coronoid process may be seen on a ____ periapical film. A. Maxillary incisor C. Mandibular incisor B. Maxillary molar D. Mandibular molar
ANS: B Feedback A The coronoid process may be seen on a maxillary molar periapical film. B The coronoid process may be seen on a maxillary molar periapical film. C The coronoid process may be seen on a maxillary molar periapical film. D The coronoid process may be seen on a maxillary molar periapical film. PTS: 1 REF: Page 339, Coronoid Process
38. The genial tubercles serve as attachments for the ____ muscles. A. Digastric and genioglossus C. Geniohyoid and digastric B. Genioglossus and geniohyoid D. Mylohyoid and geniohyoid
ANS: B Feedback A The genial tubercles serve as attachments for the genioglossus and geniohyoid muscles. B The genial tubercles serve as attachments for the genioglossus and geniohyoid muscles. C The genial tubercles serve as attachments for the genioglossus and geniohyoid muscles. D The genial tubercles serve as attachments for the genioglossus and geniohyoid muscles. PTS: 1 REF: Page 335, Page 336, Genial Tubercles
51. The internal oblique ridge may end in the region of the mandibular ____ molar, or it may continue on as the ____ ridge. A. First; mylohyoid C. First; external oblique B. Third; mylohyoid D. Third; external oblique
ANS: B Feedback A The internal oblique ridge may end in the region of the mandibular third molar, or it may continue on as the mylohyoid ridge. B The internal oblique ridge may end in the region of the mandibular third molar, or it may continue on as the mylohyoid ridge. C The internal oblique ridge may end in the region of the mandibular third molar, or it may continue on as the mylohyoid ridge. D The internal oblique ridge may end in the region of the mandibular third molar, or it may continue on as the mylohyoid ridge. PTS: 1 REF: Page 338, Internal Oblique Ridge
3. The ____ the trabeculations, the ____ radiolucent the area of cancellous bone appears. A. Smaller; more C. Larger; less B. Larger; more D. Both a and b
ANS: B Feedback A The larger the trabeculations, the more radiolucent the area of cancellous bone appears. B The larger the trabeculations, the more radiolucent the area of cancellous bone appears. C The larger the trabeculations, the more radiolucent the area of cancellous bone appears. D The larger the trabeculations, the more radiolucent the area of cancellous bone appears. PTS: 1 REF: Page 326, Cancellous Bone
40. The lingual foramen is surrounded by the: A. Mental foramen. C. Anterior nasal spine. B. Genial tubercles. D. Internal oblique ridge.
ANS: B Feedback A The lingual foramen is surrounded by the genial tubercles. B The lingual foramen is surrounded by the genial tubercles. C The lingual foramen is surrounded by the genial tubercles. D The lingual foramen is surrounded by the genial tubercles. PTS: 1 REF: Page 336, Lingual Foramen
48. The ____ is a linear prominence of bone extending from the molar region downward on the internal surface of the mandible. A. External oblique ridge C. Internal oblique ridge B. Mylohyoid ridge D. Symphysis
ANS: B Feedback A The mylohyoid ridge is a linear prominence of bone extending from the molar region downward on the internal surface of the mandible. B The mylohyoid ridge is a linear prominence of bone extending from the molar region downward on the internal surface of the mandible. C The mylohyoid ridge is a linear prominence of bone extending from the molar region downward on the internal surface of the mandible. D The mylohyoid ridge is a linear prominence of bone extending from the molar region downward on the internal surface of the mandible. PTS: 1 REF: Page 337, Mylohyoid Ridge
54. The ____ is found in the submandibular fossa. A. Inferior alveolar nerve C. Mylohyoid muscle B. Submandibular salivary gland D. Lingual nerve
ANS: B Feedback A The submandibular salivary gland is found in the submandibular fossa. B The submandibular salivary gland is found in the submandibular fossa. C The submandibular salivary gland is found in the submandibular fossa. D The submandibular salivary gland is found in the submandibular fossa. PTS: 1 REF: Page 339, Submandibular Fossa
11. A ____ is a bony wall or partition that divides two spaces or cavities. A. Process C. Septum B. Ridge D. Spine
ANS: C Feedback A A septum is a bony wall or partition that divides two spaces or cavities. B A septum is a bony wall or partition that divides two spaces or cavities. C A septum is a bony wall or partition that divides two spaces or cavities. D A septum is a bony wall or partition that divides two spaces or cavities. PTS: 1 REF: Page 328, Miscellaneous Terms
4. Cancellous bone is the soft, ____ bone located between two layers of ____ cortical bone. A. Spongy; spongy C. Spongy; dense B. Dense; dense D. Dense; spongy
ANS: C Feedback A Cancellous bone is the soft, spongy bone located between two layers of dense cortical bone. B Cancellous bone is the soft, spongy bone located between two layers of dense cortical bone. C Cancellous bone is the soft, spongy bone located between two layers of dense cortical bone. D Cancellous bone is the soft, spongy bone located between two layers of dense cortical bone. PTS: 1 REF: Page 326, Cancellous Bone
27. On a maxillary periapical radiograph, the anterior nasal spine appears as a ____-shaped radiopaque area located at the intersection of the floor of the nasal cavity and the nasal septum. A. T C. V B. U D. I
ANS: C Feedback A On a maxillary periapical radiograph, the anterior nasal spine appears as a V-shaped radiopaque area located at the intersection of the floor of the nasal cavity and the nasal septum. B On a maxillary periapical radiograph, the anterior nasal spine appears as a V-shaped radiopaque area located at the intersection of the floor of the nasal cavity and the nasal septum. C On a maxillary periapical radiograph, the anterior nasal spine appears as a V-shaped radiopaque area located at the intersection of the floor of the nasal cavity and the nasal septum. D On a maxillary periapical radiograph, the anterior nasal spine appears as a V-shaped radiopaque area located at the intersection of the floor of the nasal cavity and the nasal septum. PTS: 1 REF: Page 332, Anterior Nasal Spine
39. On a periapical radiograph, the genial tubercles appear as a ring-shaped ____ the apices of the mandibular incisors. A. Radiolucency below C. Radiopacity below B. Radiolucency above D. Radiopacity above
ANS: C Feedback A On a periapical radiograph, the genial tubercles appear as a ring-shaped radiopacity below the apices of the mandibular incisors. B On a periapical radiograph, the genial tubercles appear as a ring-shaped radiopacity below the apices of the mandibular incisors. C On a periapical radiograph, the genial tubercles appear as a ring-shaped radiopacity below the apices of the mandibular incisors. D On a periapical radiograph, the genial tubercles appear as a ring-shaped radiopacity below the apices of the mandibular incisors. PTS: 1 REF: Page 336, Genial Tubercles
49. On a radiograph, the mylohyoid ridge is a ____ band that may appear to be continuous with the ____. A. Radiolucent; internal oblique ridge C. Radiopaque; internal oblique ridge B. Radiolucent; external oblique ridge D. Radiopaque; external oblique ridge
ANS: C Feedback A On radiographs, the mylohyoid ridge is a radiopaque band that may appear to be continuous with the internal oblique ridge. B On radiographs, the mylohyoid ridge is a radiopaque band that may appear to be continuous with the internal oblique ridge. C On radiographs, the mylohyoid ridge is a radiopaque band that may appear to be continuous with the internal oblique ridge. D On radiographs, the mylohyoid ridge is a radiopaque band that may appear to be continuous with the internal oblique ridge. PTS: 1 REF: Page 337, Page 338, Mylohyoid Ridge
44. Radiographically, the mental ridge often appears superimposed over the ____ teeth. A. Maxillary anterior C. Mandibular anterior B. Maxillary posterior D. Mandibular posterior
ANS: C Feedback A Radiographically, the mental ridge often appears superimposed over the mandibular anterior teeth. B Radiographically, the mental ridge often appears superimposed over the mandibular anterior teeth. C Radiographically, the mental ridge often appears superimposed over the mandibular anterior teeth. D Radiographically, the mental ridge often appears superimposed over the mandibular anterior teeth. PTS: 1 REF: Page 337, Mental Ridge
23. The lateral walls of the nasal cavity are formed by the ____ bone and the maxillae. A. Temporal C. Ethmoid B. Sphenoid D. Zygomatic
ANS: C Feedback A The lateral walls of the nasal cavity are formed by the ethmoid bone and the maxillae. B The lateral walls of the nasal cavity are formed by the ethmoid bone and the maxillae. C The lateral walls of the nasal cavity are formed by the ethmoid bone and the maxillae. D The lateral walls of the nasal cavity are formed by the ethmoid bone and the maxillae. PTS: 1 REF: Page 331, Nasal Septum
19. The median palatal suture is located between the two ____ of the maxilla. A. Inferior nasal conchae C. Palatine processes B. Nasal cavities D. Maxillary sinuses
ANS: C Feedback A The median palatal suture is located between the two palatine processes of the maxilla. B The median palatal suture is located between the two palatine processes of the maxilla. C The median palatal suture is located between the two palatine processes of the maxilla. D The median palatal suture is located between the two palatine processes of the maxilla. PTS: 1 REF: Page 330, Median Palatal Suture
47. The mental foramen is frequently misdiagnosed as a ____ because of its apical location. A. Dentigerous cyst C. Periapical granuloma B. Radicular cyst D. Odontoma
ANS: C Feedback A The mental foramen is frequently misdiagnosed as a periapical granuloma because of its apical location. B The mental foramen is frequently misdiagnosed as a periapical granuloma because of its apical location. C The mental foramen is frequently misdiagnosed as a periapical granuloma because of its apical location. D The mental foramen is frequently misdiagnosed as a periapical granuloma because of its apical location. PTS: 1 REF: Page 337, Mental Foramen
17. The superior foramina of the incisive canal are located on the ____ of the nasal cavity. A. Lateral wall C. Floor B. Medial wall D. Roof
ANS: C Feedback A The superior foramina of the incisive canal are located on the floor of the nasal cavity. B The superior foramina of the incisive canal are located on the floor of the nasal cavity. C The superior foramina of the incisive canal are located on the floor of the nasal cavity. D The superior foramina of the incisive canal are located on the floor of the nasal cavity. PTS: 1 REF: Page 329, Superior Foramina of Incisive Canal
10. A suture is a(n): A. Movable joint between any two bones in the body. B. Immovable joint between any two bones in the body. C. Movable joint between two bones in the skull. D. Immovable joint between two bones in the skull.
ANS: D Feedback A A suture is an immovable joint between two bones in the skull. B A suture is an immovable joint between two bones in the skull. C A suture is an immovable joint between two bones in the skull. D A suture is an immovable joint between two bones in the skull. PTS: 1 REF: Page 328, Miscellaneous Terms
5. Which type of bone is composed of bony trabeculae? A. Cortical C. Compact B. Dense D. Cancellous
ANS: D Feedback A Cancellous bone is composed of bony trabeculae. B Cancellous bone is composed of bony trabeculae. C Cancellous bone is composed of bony trabeculae. D Cancellous bone is composed of bony trabeculae. PTS: 1 REF: Page 326, Cancellous Bone
1. Cortical bone is also referred to as: A. Trabecular bone. C. Cancellous bone. B. Spongy bone. D. Compact bone.
ANS: D Feedback A Cortical bone is also referred to as compact bone; trabecular bone is cancellous, spongy bone. B Cortical bone is also referred to as compact bone; trabecular bone is cancellous, spongy bone. C Cortical bone is also referred to as compact bone; trabecular bone is cancellous, spongy bone. D Cortical bone is also referred to as compact bone. PTS: 1 REF: Page 326, Cortical Bone
29. On a maxillary periapical radiograph, the inferior nasal conchae appear as a ____ mass within the nasal cavity. A. Well-demarcated radiolucent C. Diffuse radiolucent B. Well-demarcated radiopaque D. Diffuse radiopaque
ANS: D Feedback A On a maxillary periapical radiograph, the inferior nasal conchae appear as a diffuse radiopaque mass within the nasal cavity. B On a maxillary periapical radiograph, the inferior nasal conchae appear as a diffuse radiopaque mass within the nasal cavity. C On a maxillary periapical radiograph, the inferior nasal conchae appear as a diffuse radiopaque mass within the nasal cavity. D On a maxillary periapical radiograph, the inferior nasal conchae appear as a diffuse radiopaque mass within the nasal cavity. PTS: 1 REF: Page 332, Inferior Nasal Conchae
20. On a periapical radiograph, the median palatal suture appears as a thin ____ line between the ____. A. Radiopaque; maxillary lateral incisor and cuspid B. Radiolucent; maxillary lateral incisor and cuspid C. Radiopaque; maxillary central incisors D. Radiolucent; maxillary central incisors
ANS: D Feedback A On a periapical radiograph, the median palatal suture appears as a thin radiolucent line between the maxillary central incisors. B On a periapical radiograph, the median palatal suture appears as a thin radiolucent line between the maxillary central incisors. C On a periapical radiograph, the median palatal suture appears as a thin radiolucent line between the maxillary central incisors. D On a periapical radiograph, the median palatal suture appears as a thin radiolucent line between the maxillary central incisors. PTS: 1 REF: Page 330, Median Palatal Suture
55. On a periapical radiograph, the submandibular fossa appears as a ____ area in the molar region ____ the mylohyoid ridge. A. Radiopaque; above C. Radiolucent; above B. Radiopaque; below D. Radiolucent; below
ANS: D Feedback A On a periapical radiograph, the submandibular fossa appears as a radiolucent area in the molar region below the mylohyoid ridge. B On a periapical radiograph, the submandibular fossa appears as a radiolucent area in the molar region below the mylohyoid ridge. C On a periapical radiograph, the submandibular fossa appears as a radiolucent area in the molar region below the mylohyoid ridge. D On a periapical radiograph, the submandibular fossa appears as a radiolucent area in the molar region below the mylohyoid ridge. PTS: 1 REF: Page 339, Submandibular Fossa
22. On a radiograph, the lateral fossa appears as a ____ area of ____ appearance, depending on the anatomy of the individual. A. Radiopaque; consistent C. Radiopaque; variable B. Radiolucent; consistent D. Radiolucent; variable
ANS: D Feedback A On a radiograph, the lateral fossa appears as a radiolucent area of variable appearance, depending on the anatomy of the individual. B On a radiograph, the lateral fossa appears as a radiolucent area of variable appearance, depending on the anatomy of the individual. C On a radiograph, the lateral fossa appears as a radiolucent area of variable appearance, depending on the anatomy of the individual. D On a radiograph, the lateral fossa appears as a radiolucent area of variable appearance, depending on the anatomy of the individual. PTS: 1 REF: Page 330, Page 331, Lateral Fossa
58. Which of the following tooth structures is most radiolucent? A. Enamel C. Cementum B. Dentin D. Pulp
ANS: D Feedback A Pulp is the most radiolucent tooth structure. B Pulp is the most radiolucent tooth structure. C Pulp is the most radiolucent tooth structure. D Pulp is the most radiolucent tooth structure. PTS: 1 REF: Page 340, Pulp Cavity
37. The ____ is the portion of the mandible that encases and supports the teeth. A. Ramus C. Body B. Coronoid process D. Alveolar process
ANS: D Feedback A The alveolar process is the portion of the mandible that encases and supports the teeth. B The alveolar process is the portion of the mandible that encases and supports the teeth. C The alveolar process is the portion of the mandible that encases and supports the teeth. D The alveolar process is the portion of the mandible that encases and supports the teeth. PTS: 1 REF: Page 335, Bony Landmarks of the Mandible
53. The external oblique ridge typically ends in the ____ molar region. A. Maxillary first C. Maxillary third B. Mandibular first D. Mandibular third
ANS: D Feedback A The external oblique ridge typically ends in the mandibular third molar region. B The external oblique ridge typically ends in the mandibular third molar region. C The external oblique ridge typically ends in the mandibular third molar region. D The external oblique ridge typically ends in the mandibular third molar region. PTS: 1 REF: Page 339, External Oblique Ridge
13. The ____ is an opening or hole in bone that is located in the midline of the anterior portion of the hard palate directly posterior to the maxillary central incisors. A. Mental foramen C. Greater palatine foramen B. Foramen ovale D. Incisive foramen
ANS: D Feedback A The incisive foramen is an opening or hole in bone that is located in the midline of the anterior portion of the hard palate directly posterior to the maxillary central incisors. B The incisive foramen is an opening or hole in bone that is located in the midline of the anterior portion of the hard palate directly posterior to the maxillary central incisors. C The incisive foramen is an opening or hole in bone that is located in the midline of the anterior portion of the hard palate directly posterior to the maxillary central incisors. D The incisive foramen is an opening or hole in bone that is located in the midline of the anterior portion of the hard palate directly posterior to the maxillary central incisors. PTS: 1 REF: Page 329, Incisive Foramen
28. The inferior nasal conchae extend from the: A. Medial walls of the maxillary sinus. C. Medial walls of the nasal cavity. B. Lateral walls of the maxillary sinus. D. Lateral walls of the nasal cavity.
ANS: D Feedback A The inferior nasal conchae extend from the lateral walls of the nasal cavity. B The inferior nasal conchae extend from the lateral walls of the nasal cavity. C The inferior nasal conchae extend from the lateral walls of the nasal cavity. D The inferior nasal conchae extend from the lateral walls of the nasal cavity. PTS: 1 REF: Page 332, Inferior Nasal Conchae
32. The inverted Y refers to the intersection of the maxillary sinus and the: A. Median palatal suture. C. Incisive foramen. B. Anterior nasal spine. D. Nasal cavity.
ANS: D Feedback A The inverted Y refers to the intersection of the maxillary sinus and the nasal cavity. B The inverted Y refers to the intersection of the maxillary sinus and the nasal cavity. C The inverted Y refers to the intersection of the maxillary sinus and the nasal cavity. D The inverted Y refers to the intersection of the maxillary sinus and the nasal cavity. PTS: 1 REF: Page 334, Inverted Y
59. The ____ is the wall of the tooth socket that surrounds the root of a tooth. A. Alveolar crest C. Periodontal ligament space B. Residual ridge D. Lamina dura
ANS: D Feedback A The lamina dura is the wall of the tooth socket that surrounds the root of a tooth. B The lamina dura is the wall of the tooth socket that surrounds the root of a tooth. C The lamina dura is the wall of the tooth socket that surrounds the root of a tooth. D The lamina dura is the wall of the tooth socket that surrounds the root of a tooth. PTS: 1 REF: Page 341, Lamina Dura
30. The maxillary sinuses are located above the ____ teeth. A. Incisor C. Molar B. Premolar D. Premolar and molar
ANS: D Feedback A The maxillary sinuses are located above the premolar and molar teeth. B The maxillary sinuses are located above the premolar and molar teeth. C The maxillary sinuses are located above the premolar and molar teeth. D The maxillary sinuses are located above the premolar and molar teeth. PTS: 1 REF: Page 332, Maxillary Sinus
34. The maxillary tuberosity appears as a ____ bulge distal to the ____ molar region. A. Radiolucent; first C. Radiopaque; first B. Radiolucent; third D. Radiopaque; third
ANS: D Feedback A The maxillary tuberosity appears as a radiopaque bulge distal to the third molar region. B The maxillary tuberosity appears as a radiopaque bulge distal to the third molar region. C The maxillary tuberosity appears as a radiopaque bulge distal to the third molar region. D The maxillary tuberosity appears as a radiopaque bulge distal to the third molar region. PTS: 1 REF: Page 334, Maxillary Tuberosity
46. The ____ is an opening or hole in bone located on the external surface of the mandible in the region of the mandibular premolars. A. Nutrient canal C. Lingual foramen B. Mental fossa D. Mental foramen
ANS: D Feedback A The mental foramen is an opening or hole in bone located on the external surface of the mandible in the region of the mandibular premolars. B The mental foramen is an opening or hole in bone located on the external surface of the mandible in the region of the mandibular premolars. C The mental foramen is an opening or hole in bone located on the external surface of the mandible in the region of the mandibular premolars. D The mental foramen is an opening or hole in bone located on the external surface of the mandible in the region of the mandibular premolars. PTS: 1 REF: Page 337, Mental Foramen
14. The ____ nerve exits the maxilla through the incisive foramen. A. Anterior superior alveolar C. Posterior superior alveolar B. Middle superior alveolar D. Nasopalatine
ANS: D Feedback A The nasopalatine nerve exits the maxilla through the incisive foramen. B The nasopalatine nerve exits the maxilla through the incisive foramen. C The nasopalatine nerve exits the maxilla through the incisive foramen. D The nasopalatine nerve exits the maxilla through the incisive foramen. PTS: 1 REF: Page 329, Incisive Foramen