Illustrated Dental Embryology, Histology, and Anatomy 4th Edition Test Bank

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Chapter 01: Face and Neck RegionsMULTIPLE CHOICE1.Which of the following facial features is located laterally to each naris?a.Orbitb.Nasal alac.Nasal septumd.PhiltrumANS:BThe nares are separated by the midline nasal septum. The nares are also bounded laterally bywinglike cartilaginous structures, each ala (plural, alae) of the nose. In the orbital region of theface, the eyeball and all its supporting structures are contained in the orbit of the skull, thebony eye socket. On the midline of the upper lip extending downward from the nasal septumis a vertical groove, the philtrum.REF:Chapter 1, Nasal Region, Page 22.The lips are outlined from the surrounding skin by a transition area called the:a.philtrum.b.mucogingival junction.c.mucocutaneous junction.d.mandibular symphysis.ANS:CThe vermilion zone of each lip has a darker appearance than the surrounding skin, with thelips outlined from the surrounding skin by a transition zone, the mucocutaneous junction. Onthe midline of the upper lip extending downward from the nasal septum is a vertical groove,the philtrum. The line of demarcation between the firmer and pinker attached gingiva and themovable and redder alveolar mucosa is the scallop-shaped mucogingival junction. Themidline of the mandible is marked by the mandibular symphysis.REF:Chapter 1, Oral Region, Page 23.Which of the following structures can be palpated in the anterior midline of the neck?a.Thyroid cartilageb.Parathyroid glandsc.Sternocleidomastoid muscled.Submandibular salivary glandANS:AFound in the anterior midline and inferior to the hyoid bone is the thyroid cartilage, which isthe prominence of the “voice box,” or larynx. The vocal cords, or ligaments of the larynx, areattached to the posterior surface of the thyroid cartilage. The parathyroid glands are locatedclose to or within the posterior aspect of the thyroid gland but cannot be palpated in a patient;the thyroid gland can be palpated on a patient within the midline cervical area. The large strapmuscle, the sternocleidomastoid muscle, is easily palpated on each side of the neck. Thesubmandibular salivary gland is in the neck region but not in the midline.

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REF:Chapter 1, Neck Regions, Page 84.Which of the following statements concerning the zygomatic arch iscorrect?a.The temporomandibular joint is superior.b.The infraorbital region is inferior.c.It overlies the mandible.d.The external ear is posterior.ANS:DFarther laterally to the infraorbital region is the zygomatic region, which overlies the bonysupport for the cheek, the zygomatic arch. The zygomatic arch extends from just below thelateral margin of the eye toward the middle part of the external ear, which is locatedposteriorly. Inferior to the zygomatic arch and just anterior to the external ear is thetemporomandibular joint.REF:Chapter 1, Zygomatic Region, Page 25.One of the muscles forming the cheek is the strong _____ muscle, which is felt when a patientclenches the teeth together.a.lateral pterygoidb.masseterc.medial pterygoidd.temporalisANS:BThe buccal region of the face is composed of the soft tissue of the cheek. The cheek forms theside of the face and is a broad area of the face between the nose, mouth, and ear. Most of theupper cheek is fleshy, mainly formed by a mass of fat and muscles. One of the musclesforming the cheek is the strong masseter muscle, which is palpated when a patient clenchesthe teeth together. The pterygoid muscles are also located on each side of the face near themouth, and the temporalis is located in the temporal region.REF:Chapter 1, Buccal Region, Page 26.Just inferior to the zygomatic arch and just anterior to the external ear is the:a.temporomandibular joint.b.infraorbital region.c.mental region.d.parotid gland.ANS:AInferior to the zygomatic arch and just anterior to the external ear is the temporomandibularjoint. The infraorbital region of the face is located inferior to the orbital region and lateral tothe nasal region. Farther laterally is the zygomatic region, which overlies the bony support forthe cheek, the zygomatic arch. The zygomatic arch extends from just below the lateral marginof the eye toward the middle part of the external ear. The chin is the major feature of themental region of the face; the bone underlying the mental region is the mandible, or lowerjaw. The parotid is located irregularly from the zygomatic arch down to the posterior borderof the lower jaw.REF:Chapter 1, Zygomatic Region, Page 2

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7.The _____ salivary gland is located irregularly from the zygomatic arch down to the posteriorborder of the lower jaw.a.parotidb.submandibularc.von Ebnerd.sublingualANS:AThe parotid is located irregularly from the zygomatic arch down to the posterior border of thelower jaw. Both the submandibular salivary and sublingual are in the neck region. The vonEbner refers to minor glands located deep to the circumvallate lingual papillae on the dorsalsurface of the tongue.REF:Chapter 1, Buccal Region, Page 28.The _____ extends from just below the lateral margin of the eye toward the middle part of theexternal ear.a.temporomandibular jointb.zygomatic archc.labial commissured.infraorbital regionANS:BThe zygomatic arch extends from just below the lateral margin of the eye towardthe middlepart of the external ear. Inferior to the zygomatic arch and just anterior to the external ear isthe temporomandibular joint. The upper and lower lips meet at each corner of the mouth at thelabial commissure. The infraorbital region of the face is located inferior to the orbital regionand lateral to the nasal region.REF:Chapter 1, Zygomatic Region, Page 29.The main feature of the _____ region of the face is the external nose.a.infraorbitalb.zygomaticc.nasald.temporalANS:CThe main feature of the nasal region of the face is the external nose. The infraorbital region ofthe face is located inferior to the orbital region and lateral to the nasal region. Farther laterallyis the zygomatic region, which overlies the bony support for the cheek, the zygomatic arch.The temporal region is on the lateral side of the head at the temple.REF:Chapter 1, Nasal Region, Page 110.Which of the following orofacial structures is located in the midline of the face or neck?a.Philtrumb.Submandibular salivary glandc.Naris and alad.Parotid salivary gland

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ANS:AOn the midline ofthe upper lip extending downward from the nasal septum is a verticalgroove, the philtrum. The submandibular can also be palpated in a patient in the neck regionbut not in the midline. Inferior to the apex on each side of the nose is a nostril, or naris (plural,nares). The nares are also bounded laterally by winglike cartilaginous structures, each ala(plural, alae) of the nose. The parotid is located irregularly from the zygomatic arch down tothe posterior border of the lower jaw and not in the midline.REF:Chapter 1, Oral Region, Page 211.The _____ region includes the forehead and area above the eyes.a.infraorbitalb.orbitalc.temporald.frontalANS:DThe frontal region of the face includes the forehead and the area above the eyes. Theinfraorbital region of the face is located inferior to the orbital region and lateral to the nasalregion. In the orbital region of the face, the eyeball and all its supporting structures arecontained in the orbit of the skull, the bony eye socket. The temporal region is on the lateralside of the head at the temple.REF:Chapter 1, Frontal Region, Page 112.Which of the following may be involved in the disruption of the vermilion zone and maymake it hard to determine the exact location of its mucocutaneous junction between the lipsand the surrounding skin?a.Scar tissueb.Hypercalcificationc.Cleft palated.SymmetryANS:ADisruption of the vermilion zone may make it hard to determine the exact location of itsmucocutaneous junction between the lips and the surrounding skin. These changes may bedue to scar tissue from past traumatic incidents, developmental disturbances, or cellularchanges in the tissue such as occur with solar damage. These changes may also represent amore serious condition such as cancer; however, this can be verified only with tissue biopsyand microscopic examination. If this change is part of a past history of a cleft lip, this alsoneeds to be noted in the patient record because of its impact on dental care.REF:Chapter 1, Clinical Considerations with Lips, Page 213.The _____ region of the face is composed of the soft tissue of the cheek.a.infraorbitalb.orbitalc.temporald.buccalANS:D

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The buccal region of the face is composed of the soft tissue of the cheek. The infraorbitalregion of the face is located inferior to the orbital region and lateral to the nasal region. In theorbital region of the face, the eyeball and all its supporting structures are contained in the orbitof the skull, the bony eye socket. The temporal region is on the lateral side of the head at thetemple.REF:Chapter 1, Buccal Region, Page 214.To palpate the lower jaw moving at the temporomandibular joint on a patient, a finger isplaced into the external ear canal during:a.rest.b.movement.c.swallowing.d.eye closure.ANS:BTo palpate the lower jaw moving at the temporomandibular joint on a patient, a finger isplaced into the external ear canal during movement.REF:Chapter 1, Zygomatic Region, Page 215.The chin is the major feature of the _____ region of the face.a.zygomaticb.infraorbitalc.mentald.oralANS:CThe chin is the major feature of the mental region of the face. The infraorbitalregion of theface is located inferior to the orbital region and lateral to the nasal region. Farther laterally isthe zygomatic region, which overlies the bony support for the cheek, the zygomatic arch. Theoral region of the face has many structures within it, such as the lips and oral cavity.REF:Chapter 1, Mental Region, Page 216.The _____ gland, an endocrine gland, can be palpated within the midline cervical area.a.parathyroidb.thyroidc.parotidd.submandibularANS:BThe thyroid gland, an endocrine gland, can be palpated on a patient within the midlinecervical area. The parathyroid glands are located close to or within the posterior aspect of thethyroid gland but cannot be palpated in a patient. The parotid is located irregularly from thezygomatic arch down to the posterior border of the lower jaw; the parotidhas a small part thatcan be palpated on a patient in the buccal region as well as in the zygomatic region. Thesubmandibular can also be palpated in the neck region but not in the midline.REF:Chapter 1, Neck Regions, Page 817.The large strap muscle, the _____ muscle, is located on each side of the neck.

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a.masseterb.sternocleidomastoidc.lateral pterygoidd.medial pterygoidANS:BThe large strap muscle, the sternocleidomastoid muscle, is easily palpated on each side of apatient’s neck. One of these muscles forming the cheek is the strong masseter muscle, whichis palpated when a patient clenches the teeth together. The pterygoid muscles are also locatedon each side of the face.REF:Chapter 1, Neck Regions, Page 818.The regions of the face include the frontal, _____, nasal, infraorbital, zygomatic, buccal, oral,and mental regions.a.temporalb.occipitalc.orbitald.parietalANS:CThe regions of the face include the frontal, orbital, nasal, infraorbital, zygomatic, buccal, oral,and mental regions. The other regions are regions of the head and include the temporal,occipital, and parietal.REF:Chapter 1, Face Regions, Page 119.The _____ are separated by the midline nasal septum.a.alaeb.naresc.zygomatic archesd.commissuresANS:BInferior to the apex on each side of the nose is a nostril, or naris (plural, nares). The nares areseparated by the midline nasal septum. The nares are also bounded laterally by winglikecartilaginous structures, each ala (plural, alae) of the nose. Farther laterally is the zygomaticregion, which overlies the bony support for the cheek, the zygomatic arch. The upper andlower lips meet at each corner of the mouth at the labial commissure.REF:Chapter 1, Nasal Region, Page 220.What part of the mandible extends upward and backward from the body of the mandible oneach side?a.Coronoid processb.Mandibular symphysisc.Ramusd.Coronoid notchANS:C

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The bone underlying the mental region is the mandible, or lower jaw. On the lateral aspect ofthe mandible, the stout, flat plate of the ramus (plural, rami) extends upward and backwardfrom the body of the mandible on each side. At the anterior border of the ramus is a thin,sharp margin that terminates in the coronoid process. The midline of the mandible is markedby the mandibular symphysis. The main part of the anterior border of the ramus forms aconcave forward curve, the coronoid notch.REF:Chapter 1, Mental Region, Page 221.The lips are fleshy folds that mark the gateway of the _____ cavity proper.a.zygomaticb.infraorbitalc.mentald.oralANS:DThe upper and lower lips are fleshy folds that mark the gateway of the oral cavity proper. Theinfraorbital region of the face is located inferior to the orbital region and lateral to the nasalregion. Farther laterally is the zygomatic region, which overlies the bony support for thecheek, the zygomatic arch. The chin is the major feature of the mental region of the face.REF:Chapter 1, Oral Region, Page 222.The sharp angle of the lower jaw inferior to the earlobe is termed theangle of the:a.mandible.b.maxilla.c.temporomandibular joint.d.zygomatic arch.ANS:AThe sharp angle of the lower jaw inferior to the earlobe is termed theangle of the mandible.The bone underlying the lower lip is the lower jaw, or mandible. Underlying the upper lip isthe upper jaw, or maxilla. Inferior to the zygomatic arch and just anterior to the external ear isthe temporomandibular joint. The zygomatic arch extends from just below the lateral marginof the eye toward the middle part of the external ear.REF:Chapter 1, Buccal Region, Page 223.Between the vermilion zone and the inner oral cavity is the:a.philtrum.b.mucogingival junction.c.mucocutaneous junction.d.intermediate zone.ANS:DBetween the vermilion zone and the inner oral cavity is the intermediate zone. The vermilionzone of each lip has a darker appearance than the surrounding skin, with the lips outlined fromthe surrounding skin by a transition zone, the mucocutaneous junction. On the midline of theupper lip, extending downward from the nasal septum, is a vertical groove, the philtrum. Theline of demarcation between the firmer and pinker attached gingiva and the movable andredder alveolar mucosa is the scallop-shaped mucogingival junction.

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REF:Chapter 1, Oral Region, Page 224.Which of the following orofacial structures contributes to the prominence of the neck that isalso called the “Adam’s apple”?a.Sublingual salivary glandb.Submandibular salivary glandc.Thyroid cartilaged.Hyoid boneANS:CFound in the anterior midline and inferior to the hyoid bone is the thyroid cartilage, which isthe prominence of the “voice box,”or larynx. The submandibular salivary gland and thesublingual salivary gland can also be palpated in a patient in the neck region superior to thehyoid bone. At the anterior midline is the hyoid bone, which is suspended in the neck; manymuscles attach to the hyoid bone, which controls the position of the base of the tongue.REF:Chapter 1, Neck Regions, Page 825.The philtrum terminates in a thicker area of the midline of the upper lip, the_____of theupper lip.a.septumb.tuberclec.symphysisd.ramusANS:BThe philtrum terminates in a thicker area of the midline of the upper lip, the tubercle of theupper lip. The nares are separated by the midline nasal septum. The midline of the mandible ismarked by the mandibular symphysis. On the lateral aspect of the mandible, the stout, flatplate of the ramus (plural, rami) extends upward and backward from the body of the mandibleon each side.REF:Chapter 1, Oral Region, Page 2

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Chapter 02: Oral Cavity and PharynxMULTIPLE CHOICE1.Which of the following oral landmarks may be noted on the soft palate?a.Incisive papillab.Palatine rugaec.Median palatine raphed.UvulaANS:DA midline muscular structure, the uvula of the palate, hangs down from the posterior marginof the soft palate. The incisive papilla is a small bulge of tissue at the most anterior part of thehard palate. The median palatine raphe is a midline ridge of tissue on the hard palate. Thepalatine rugae are firm, irregular ridges of tissue on the hard palate.REF:Chapter 2, Palate, Page 152.Which of the following oral landmarks separates the base from the body of the tongue?a.Sublingual foldb.Lingual tonsilc.Plica fimbriataed.Sulcus terminalisANS:DPosteriorly on the dorsal surface of the tongue is an inverted V-shaped groove,the sulcusterminalis; it separates the base from the body of the tongue, demarcating a line of fusion oftissue during the tongue’s development. A ridge of tissue on each side of the floor of themouth, the sublingual fold, joins in a V-shaped configuration extending from the lingualfrenum to the base of the tongue; it contains openings of the sublingual duct from thesublingual salivary gland. Even farther posteriorly on the dorsal surface of the base of thetongue is an irregular mass of tissue, the lingual tonsil. Lateral to each deep lingual vein onthe ventral surface of the tongue is the plica fimbriata (plural, plicae fimbriatae) withfringelike projections.REF:Chapter 2, Tongue, Page 153.Which of the following statements concerning Fordyce spots iscorrect?a.Composed of salivary gland tissueb.Located on the attached gingivac.Composed of sebum from sebaceous tissued.Indicate a disease state in the tissueANS:COn the surface of the labial and buccal mucosa is a common variation, Fordyce spots. Theseare visible as small, yellowish elevations on the oral mucosa. They represent deeper depositsof sebum from trapped or misplaced sebaceous gland tissue, usually associated with hairfollicles.REF:Chapter 2, Clinical Considerations with Oral Mucosa, Page 10

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4.The line of demarcation between the attached gingiva and the alveolar mucosa is the:a.mucogingival junction.b.interdental gingiva.c.mucobuccal fold.d.marginal gingiva.ANS:AThe line of demarcation between the firmer and pinker attached gingiva and the movable andredder alveolar mucosa is the scallop-shaped mucogingival junction. The interdental gingivais the gingival tissue between adjacent teeth adjoining attached gingiva. Deep within eachvestibule is the vestibular fornix, where the pink labial mucosa or buccal mucosa meets theredder alveolar mucosa at the mucobuccal fold. At the gingival margin of each tooth is themarginal gingiva, which forms a cuff above the neck of the tooth.REF:Chapter 2, Gingival Tissue, Page 135.The root of the mature and fully erupted tooth is composed of:a.enamel, dentin, and pulp.b.dentin and pulp.c.dentin, pulp, and cementum.d.pulp, cementum, and periodontal ligament.ANS:CThe crown of the tooth is composed of the extremely hard outer enamel layer and themoderately hard inner dentin layer overlying the pulp of the tooth. The pulp is the softinnermost layer in the tooth. The moderately hard dentin continues to cover the soft tissue ofthe pulp of the tooth in the root(s), but the outermost layer of the root(s) is composed ofcementum. The bonelike cementum is the part of the tooth that attaches to the periodontalligament, which then attaches to the alveolus of bone, holding the tooth in its socket.REF:Chapter 2, Jaws, Alveolar Processes, and Teeth, Page 126.Which of the following lingual papillae are located on the lateral surface of the tongue?a.Circumvallate papillaeb.Filiform papillaec.Fungiform papillaed.Foliate papillaeANS:DCertain surfaces of the tongue have small, elevated structures of specialized mucosa, thelingual papillae, some of which are associated with taste buds. The side or lateral surface ofthe tongue has vertical ridges, the foliate lingual papillae. The dorsal surface has the filiform,fungiform, and circumvallate.REF:Chapter 2, Tongue, Page 157.Which of the following folds or grooves of tissue are located on the floor of the mouth?a.Plica fimbriataeb.Labiomental groovec.Sublingual folds

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d.Labial commissureANS:CA ridge of tissue on each side of the floor of the mouth, the sublingual fold, joins in aV-shaped configuration extending from the lingual frenum to the base of the tongue. Thesublingual folds contain openings of the sublingual duct from the sublingual salivary gland.The labiomental groove is the natural indentation in the chin, just inferior to the lips, thattakes its form from the muscles and bones lying beneath the skin. The upper and lower lipsmeet at each corner of the mouth at the labial commissure.REF:Chapter 2, Floor of Mouth, Page 178.Which of the following structures isnevervisible in any part on a dental intraoralexamination?a.Oropharynxb.Laryngopharynxc.Soft palated.NasopharynxANS:BThe laryngopharynx is the more inferior division of the pharynx, close to the laryngealopening. To examine the more extensive parts of the nasopharynx as well as thelaryngopharynx or even the oropharynx in some patients, special diagnostic tools are needed.REF:Chapter 2, Pharyngeal Divisions, Page 179.A midline depression on the dorsal surface of the tongue is called the:a.median palatine raphe.b.sulcus terminalis.c.labiomental groove.d.median lingual sulcus.ANS:DThe top, or dorsal surface of the tongue, has a midline depression, the median lingual sulcus,corresponding to the position of a midline fibrous structure deeper in the tongue and fusiontissue area. A midline ridge of tissue on the hard palate is the median palatine raphe, whichoverlies the bony fusion of the palate. The labiomental groove is the natural indentation in thechin, just inferior to the lips. Posteriorly on the dorsal surface of the tongue, and more difficultto see clinically, is an inverted V-shaped groove, the sulcus terminalis.REF:Chapter 2, Tongue, Page 1510.Adult teeth, or _____ teeth, also include all the same teeth as the primary teeth as well aspremolars.a.deciduousb.permanentc.babyd.primaryANS:B

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Adult teeth, or permanent teeth, also include all the same teeth as the primary teeth, as well aspremolars. The tooth types in both arches of the teeth of children, or primary teeth, includeincisors, canines, and molars. Other terms for the primary teeth are the deciduous or “baby”teeth.REF:Chapter 2, Dental Arches, Page 1211.Which of the following orofacial structures contains the alveolus of a tooth?a.Vestibular fornixb.Alveolar processc.Zygomatic archd.Retromolar padANS:BThe alveolar process, or alveolar bone, is the bony extension for both the maxilla andmandible that contains each tooth socket of the teeth or alveolus (plural, alveoli). The alveolarprocess, or alveolar bone, is the bony extension for both the maxilla and mandible thatcontains each tooth socket of the teeth or alveolus (plural, alveoli). Farther laterally is thezygomatic region, which overlies the bony support for the cheek, the zygomatic arch. On thelower jaw is a dense pad of tissue located just distal to the last tooth of the mandibular arch,the retromolar pad.REF:Chapter 2, Jaws, Alveolar Processes, Page 1012.The oral tissue closest to the inner cheek isbestdescribed as:a.labial.b.facial.c.buccal.d.palatal.ANS:CThe facial structures close to the inner cheek are buccal. The structures closest to the tongueare lingual. The lingual structures closest to the palate are palatal. The structures closest to thefacial surface are facial. The facial structures closest to the lips are labial.REF:Chapter 2, Oral Cavity Divisions, Page 913.The outermost layer of the root is composed of:a.cementum.b.pulp.c.dentin.d.enamel.ANS:AThe crown of the tooth is composed of the extremely hard outer enamel layer and themoderately hard inner dentin layer overlying the pulp of the tooth. The pulp is the softinnermost layer in the tooth. The moderately hard dentin continues to cover the soft tissue ofthe pulp of the tooth in the root(s), but the outermost layer of the root(s) is composed ofcementum. The bonelike cementum is the part of the tooth that attaches to the periodontalligament.

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REF:Chapter 2, Jaws, Alveolar Processes, and Teeth, Page 1214.Just distal to the last tooth of the maxillary arch is a tissue-covered elevation of the bonecalled the:a.maxillary arch.b.maxillary tuberosity.c.canine eminence.d.retromolar pad.ANS:BJust distal to the last tooth of the maxillary arch is a tissue-covered elevation of the bone, themaxillary tuberosity. Similarly, on the lower jaw is a dense pad of tissue located just distal tothe last tooth of the mandibular arch, the retromolar pad. The alveolar processes with the teethin the alveoli are also called dental arches, the maxillary arch and mandibular arch. The facialpart of the alveolus of each canine, the vertically placed canine eminence, is especiallyprominent on each side of the maxilla.REF:Chapter 2, Dental Arches, Page 1215.On which of the following orofacial tissue is the linea alba located?a.Attached gingivab.Marginal gingivac.Labial mucosad.Buccal mucosaANS:DA variation that can be noted on the buccal mucosa is the linea alba. This is a white ridge ofhyperkeratinization that extends horizontally at the level where the maxillary and mandibularteeth come together and occlude; similar ridges of white tissue can sometimes be present onthe tongue perimeter.REF:Chapter 2, Clinical Considerations with Oral Mucosa, Page 1016.The structures closest to the lips are termed _____ or labial.a.lingualb.facialc.buccald.palatalANS:BThe structures closest to the facial surface are facial. The facial structures closest to the lipsare labial. The facial structures close to the inner cheek are buccal. The structures closest tothe tongue are lingual. The lingual structures closest to the palate are palatal.REF:Chapter 2, Oral Cavity Divisions, Page 917.The pink labial mucosa or buccal mucosa meets the redder _____ at the mucobuccal fold.a.marginal gingivab.attached gingivac.alveolar mucosad.interdental papilla

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ANS:CDeep within each vestibule is the vestibular fornix, where the pink labial mucosa or buccalmucosa meets the redder alveolar mucosa at the mucobuccal fold. The gingival tissue thattightly adheres to the alveolar process surrounding the roots of the teeth is the attachedgingiva. At the gingival margin of each tooth is the marginal gingiva, which forms a cuffabove the neck of the tooth. The interdental gingiva is the gingival tissue between adjacentteeth adjoining attached gingiva, with each individual extension being an interdental papilla.REF:Chapter 2, Oral Vestibules, Page 1018.The _____ is a white ridge of raised callused tissue that extends horizontally at the levelwhere the maxillary and mandibular teeth come together and occlude.a.linea albab.buccal fat padc.parotid papillad.labial frenumANS:AThe linea alba is a white ridge of hyperkeratinization that extends horizontally at the levelwhere the maxillary and mandibular teeth come together and occlude; similar ridges of whitetissue can sometimes be present on the tongue perimeter. The buccal mucosa covers a densepad of underlying fat tissue at the posterior part of each vestibule, the buccal fat pad. On theinner part of the buccal mucosa, just opposite the maxillary second molar, is a small elevationof tissue is the parotid papilla. The labial frenum (plural, frena) is a fold of tissue located atthe midline between the labial mucosa and the alveolar mucosa on the upper and lower dentalarches.REF:Chapter 2, Clinical Considerations with Oral Mucosa Features, Page 1019.Each body of the maxilla is superior to the teeth and contains the _____ sinuses.a.sphenoidalb.ethmoidalc.frontald.maxillaryANS:DEach body of the maxilla, a facial bone, is superior to the teeth and contains the maxillarysinus. The other sinuses listed—the sphenoidal, ethmoidal, and frontal—are contained withinthe cranial bones.REF:Chapter 2, Jaws, Alveolar Processes, and Teeth, Page 1020.The facial part of the alveolus of the ____, the vertically placed eminence, is especiallyprominent on the maxilla.a.premolarb.caninec.molard.incisorANS:B

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The facial part of the alveolus of each canine, the vertically placed canine eminence, isespecially prominent on each side of the maxilla. The alveolar process, or alveolar bone, is thebony extension for both the maxilla and mandible that contains each tooth socket of the teethor alveolus (plural, alveoli).REF:Chapter 2, Jaws, Alveolar Processes, and Teeth, Page 1021.Surrounding the teeth in the alveoli and covering the alveolar processes is the _____, which iscomposed of a firm pink tissue.a.gingivab.minor salivary glandsc.Fordyce spotsd.linea albaANS:ASurrounding the maxillary and mandibular teeth in the alveoli and covering the alveolarprocesses are the soft tissue gums, or gingiva (or more accurately, but not commonly, by thedental community, gingivae), composed of a firm pink mucosa. Minor salivary glands aredeep within the oral mucosa throughout the oral cavity. Fordyce spots are visible as small,yellowish elevations on the oral mucosa; they represent deeper deposits of sebum fromtrapped or misplaced sebaceous gland tissue, usually associated with hair follicles. The lineaalba is a white ridge of hyperkeratinization that extends horizontally at the level where themaxillary and mandibular teeth come together and occlude; similar ridges of white tissue cansometimes be present on the tongue perimeter.REF:Chapter 2, Gingival Tissue, Page 1322.What is the midline ridge of tissue on the hard palate?a.Incisive papillab.Palatine rugaec.Median palatine raphed.UvulaANS:CThe median palatine raphe is a midline ridge of tissue on the hard palate. The incisive papillais a small bulge of tissue at the most anterior part of the hard palate. The palatine rugae arefirm, irregular ridges of tissue on the hard palate. A midline muscular structure, the uvula ofthe palate, hangs down from the posterior margin of the soft palate.REF:Chapter 2, Palate, Page 1523.What are the small, elevated structures of specialized mucosa located on the dorsal surfaces ofthe tongue, some of which are associated with taste buds?a.Lingual papillab.Sulcus terminalisc.Parotid papillad.Foramen cecumANS:A

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