Orofacial Structures Solved Exam Questions
Course Introduction
Orofacial Structures is a comprehensive course that explores the anatomical features and functions of the head, neck, and oral cavity. The curriculum covers the development, structure, and relationship of bones, muscles, blood vessels, nerves, glands, and mucosa pertinent to dental and orofacial health. Students examine the intricacies of tooth morphology, occlusion, and the supporting structures, gaining a foundational understanding essential for clinical practice in dentistry and related health sciences. The course combines theoretical knowledge with practical identification skills, preparing students to recognize normal and pathological conditions affecting the orofacial region.
Recommended Textbook
Anatomy of Orofacial Structures A Comprehensive Approach 8th Edition by Brand BS DDS
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Chapter 1: Oral Cavity
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Sample Questions
Q1) 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
Answer: C
Q2) 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.
Answer: B
Q3) Beneath the incisive papilla is an injection site called the greater palatine foramen.
A)True
B)False
Answer: False
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3
Chapter 2: The Tooth: Functions and Terms
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Sample Questions
Q1) Outer covering of root
A)Enamel
B)Cementum
C)Dentin
D)Pulp
Answer: B
Q2) The pulp is composed of which of the following tissues (Select all that apply. )?
A) Lymph tissue
B) Connective tissue
C) Nerve tissue
D) Odontoblasts
E) Alveolus
Answer: A,B,C,D
Q3) Which dental tissue is composed of 70% inorganic and 30% organic matter?
A) Dentin
B) Enamel
C) Cementum
D) Bone
Answer: A
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Chapter 3: Fundamental and Preventive Curvatures
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Sample Questions
Q1) Contact point and contact area are synonymous terms;that is,they mean the same thing.
A)True
B)False
Answer: False
Q2) Embrasures are spillways between teeth that allow food to be shunted away from contact areas.While effective embrasures are self-cleaning,poorly contoured embrasures lead to gingival irritation and breakdown.
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.
Answer: A
Q3) A molar with little or no curvature on the buccal surface would result in
A) open contact area
B) overstimulation of gingiva
C) inadequate stimulation of gingiva
D) difficult oral hygiene access
Answer: B
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Page 5
Chapter 4: Dentition
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Sample Questions
Q1) In the FDI system the code for the deciduous mandibular left canine is _______.
Q2) In the Palmer System,permanent central incisors are assigned the number
A) 1
B) 5
C) 8
D) 24
Q3) A patient has porcelain crowns on #3 and #14.These are the permanent
A) maxillary right first molar and maxillary left second molar
B) maxillary right canine and maxillary left first molar
C) maxillary first molars
D) maxillary right first molar and mandibular left first molar
E) none of the above
Q4) Decay on the occlusal surface of tooth S refers to which deciduous tooth?
A) Maxillary left second molar
B) Mandibular left second molar
C) Mandibular right first molar
D) Mandibular right second molar
Q5) A missing tooth is given a symbol in any of the classification systems.
A)True
B)False
Page 6
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Chapter 5: Development, form, and Eruption
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Sample Questions
Q1) Which of the following selections include teeth that should be present in the dentition of a 3-year-old child (Select all that apply. )?
A) Primary maxillary and mandibular canines
B) Primary maxillary and mandibular central incisors
C) Primary maxillary molars,but NOT primary mandibular molars
D) Primary mandibular central and lateral incisors,but NOT primary mandibular incisors
E) Primary mandibular and maxillary premolars
Q2) Small clumps of cells that will later form teeth are called
A) tooth germs
B) ameloblasts
C) lobes
D) tubercles
Q3) Roots of primary teeth resorb and dissolve because odontoblasts destroy the surrounding bone.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
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Page 7
Chapter 6: Occlusion
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Sample Questions
Q1) Tongue-thrusting can cause an overbite.
A)True
B)False
Q2) The average overjet of primary teeth is 2.0 mm.
A)True
B)False
Q3) The transverse occlusal curve seen from a posterior view is called the curve of Spee.The curve of Wilson refers to the fairly even curve of the buccal cusp tips of posterior teeth when viewed laterally.
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.
Q4) An 11-year-old child presents with wide spaces between mandibular second premolars and permanent first molars.These spaces are typical of
A) mesial step
B) distal step
C) leeway space
D) flush terminal plane
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Chapter 7: Dental Anomalies
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Sample Questions
Q1) An anomaly common to mandibular second premolars is
A) dwarfed roots
B) buccal tubercles
C) accessory roots
D) large lingual cusps
Q2) A dilacerated root is one that exhibits
A) bifurcated roots
B) twisted roots
C) a sharp bend in the root
D) short,fused roots
Q3) Each of the following is an example of microdontia EXCEPT one.Which one is the EXCEPTION?
A) Mesiodens
B) Paramolar
C) Distomolar
D) Tubercle
E) Enamel pearl
Q4) Anomalies are caused by intrinsic factors only.
A)True
B)False
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Chapter 8: Supporting Structures
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Sample Questions
Q1) Which is a gingival fiber?
A) Horizontal
B) Oblique
C) Circular
D) Apical
Q2) When assessing the health of the gingival unit,which of the following provide guidance to the dental professional (Select all that apply. )?
A) Free gingiva extends from the gingival margin to the base of the gingival sulcus.
B) The attached gingiva is located apical to the mucogingival junction.
C) The alveolar mucosa is contiguous with the mucous membrane of the cheeks,lips,and floor of the mouth.
D) Free gingiva has a thick epithelial covering.
E) Cells of the free gingiva are nonkeratinized.
Q3) Cementum that is free of embedded cementoblasts is clear and without structure.
A)True
B)False
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10
Chapter 9: Clinical Considerations
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Sample Questions
Q1) Migration
A)Phenomenon of permanent molars moving mesially after eruption
B)Causes tooth mobility
C)Lined with dentin
D)Tooth over-erupts in an attempt to "find" its antagonist
E)Small opening into pulp cavity at tip of root
Q2) Apical foramen
A)Phenomenon of permanent molars moving mesially after eruption
B)Causes tooth mobility
C)Lined with dentin
D)Tooth over-erupts in an attempt to "find" its antagonist
E)Small opening into pulp cavity at tip of root
Q3) Dentinal surfaces are rarely exposed during root planing because the envelope of cementum covering the root is quite thick.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
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Page 11
Chapter 10: Tooth Identification
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Sample Questions
Q1) The lingual cusp of the maxillary first premolar is longer than the facial cusp.This tooth often has two roots,one mesial and one distal.
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.
Q2) Mandibular molars
A)Two roots,one mesial and one distal
B)Two facial roots and one lingual root
C)Lingual surface almost smooth
D)Incisal edge angled toward lingual
E)Prominent facial cusp with one or two smaller lingual cusps
F)Mesioincisal angle is relatively sharp
G)Single cusp tip directly over midcenter of root
H)Buccal and lingual cusps approximately equal in height
Q3) The cusp of Carabelli is located on the
A) mandibular first molar
B) mandibular second molar
C) maxillary first molar
D) maxillary second molar
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Chapter 11: Root Morphology
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Sample Questions
Q1) Pressure and temperature responses are elicited by all of the following EXCEPT one.Which one is the EXCEPTION?
A) Bone
B) Periodontal ligament
C) Gingiva
D) Pulp tissue
Q2) Cementum formed during hypercementosis is different from the cementum lining the root because this newly formed product can continue to grow and add on to itself.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
Q3) During hypercementosis,excess cementum is deposited
A) along the CEJ
B) irregularly,throughout the root surface
C) at the dentinocemental junction
D) at the apex of the root
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13
Chapter 12: Incisors
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Q1) Each of the following statements correctly describes maxillary lateral incisors EXCEPT one.Which one is the EXCEPTION?
A) The incisal aspect can resemble that of a central incisor or a canine.
B) Incisally,they exhibit more convexity both labially and lingually than maxillary centrals.
C) Of all incisors,the maxillary laterals vary the least in form.
D) The mesial aspect of a maxillary lateral incisor is similar to that of a small central incisor.
E) Frequently maxillary lateral incisors are peg-shaped.
Q2) In an anterior crossbite,the maxillary central incisors would exhibit wear in which location?
A) Labioincisal edge
B) Linguloincisal edge
C) Cervical region
D) Apex
Q3) Maxillary lateral incisors vary in form more than any other teeth in the mouth.
A)True
B)False
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Chapter 13: Canines
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Q1) The canines' stability can be attributed to all of the following factors EXCEPT one.Which one is the EXCEPTION?
A) Root length
B) Large cingulum
C) Canine eminence
D) Location in the dentition
Q2) From the labial aspect the mesial surface of the mandibular canine is more convex than the distal surface because the mesial outline is more straight.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
Q3) Compared to maxillary canines,mandibular canines have all of the following EXCEPT one.Which one is the EXCEPTION?
A) Narrower mesiodistal width
B) Smoother lingual surface
C) Flatter cingulum
D) Wider labiolingual width
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Page 15
Chapter 14: Premolars
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Sample Questions
Q1) Which premolar has buccal and lingual cusps that are almost the same height?
A) Maxillary first
B) Maxillary second
C) Mandibular first
D) Mandibular second
E) None of the above
Q2) Each of the following is evident on a maxillary first premolar EXCEPT one.Which one is the EXCEPTION?
A) Mesial marginal groove
B) Mesial developmental depression
C) Mesial marginal ridge
D) Distinct distal marginal ridge
E) Two small,afunctional lingual cusp tips
Q3) Mandibular first premolars typically have two roots,a mesial and a distal.An anomaly is formation of a third auxiliary root.
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.
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Page 16
Chapter 15: Molars
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Q1) Each of the following statements correctly describes maxillary molars EXCEPT one.Which one is the EXCEPTION?
A) Roots become shorter as the maxillary molar is more posterior.
B) Second molar roots are closer together than first molars.
C) Third molar roots are usually smaller than first or second molars.
D) First molar roots show the most variation in root form of all three molars.
Q2) The distolingual cusp of a maxillary first molar is quite small and considered afunctional.This cusp occupies 10% of the lingual surface and the mesiolingual cusp occupies the remaining 90% of the lingual surface.
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.
Q3) All of the following terms are characteristic of maxillary third molars EXCEPT one.Which one is the EXCEPTION?
A) Congenitally missing
B) Impacted
C) Erupt between 18 and 25 years
D) Show variations of the crown or roots
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Page 17
Chapter 16: Deciduous Dentition
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Q1) The deciduous lateral incisors erupt prior to the central incisors.Lateral incisors erupt between 13 and 19 months whereas central incisors erupt between 16 and 22 months.
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.
Q2) Which deciduous molars have three root canals (Select all that apply. )?
A) Maxillary first
B) Maxillary second
C) Mandibular first
D) Mandibular second
Q3) The longer and more slender deciduous roots also flare more than those of the permanent dentition because this arrangement allows room for the developing permanent tooth crowns.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
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Page 18
Chapter 17: Basic Tissues
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Q1) Hydroxyapatite crystals are packed into bone marrow,giving bone its hardness.These crystals are composed of calcium and phosphate,which make bone hard.
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.
Q2) The nucleolus is a circumscribed area within the nucleus.The nucleolus controls the operation of the cell.
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.
Q3) Which of the following are true of multilayered epithelia (Select all that apply. )?
A) Transitional epithelium changes in thickness and appearance as the need arises.
B) Stratified cuboidal epithelium is only found in select locations.
C) Stratified columnar epithelium is commonly found throughout the body.
D) Stratified squamous epithelium is the most common type of epithelium.
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Page 19
Chapter 18: Development of Orofacial Complex
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Q1) Both muscles of mastication and muscles of facial expression are innervated by the fifth cranial nerve.Muscles of mastication arise from the first pharyngeal arch and muscles of facial expression arise from the fifth cranial arch.
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.
Q2) The first and second pharyngeal arches are the largest because they are formed earlier in the developmental process.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
Q3) During formation of the upper lip,the lateral and medial nasal processes fuse.
A)True
B)False
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Chapter 19: Dental Lamina and Enamel Organ
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Q1) The dental lamina thickens first at the anterior midline.
A)True
B)False
Q2) Enamel organ
A)Forms permanent incisors,canines,and premolars
B)Forms cementum
C)Forms enamel
D)Forms mucobuccal fold
E)Forerunner of primary tooth germ
F)Forms pulp
Q3) Dental papilla
A)Forms permanent incisors,canines,and premolars
B)Forms cementum
C)Forms enamel
D)Forms mucobuccal fold
E)Forerunner of primary tooth germ
F)Forms pulp
Q4) The vestibular lamina forms in a lingual direction from the dental lamina.
A)True
B)False
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Chapter 20: Enamel, Dentin, and Pulp
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Q1) An enamel spindle is an ameloblastic process that becomes trapped in dentin.Enamel spindles form in early development and are seen only histologically.
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.
Q2) Which of the following is NOT an abnormality in dentin?
A) Interglobular dentin
B) Sclerotic dentin
C) Dead tracts
D) Reparative dentin
Q3) After the ameloblast secretes the primary enamel cuticle it is called the reduced enamel epithelium because it becomes flattened and blends with outer enamel epithelial cells.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
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Page 22
Chapter 21: Root Formation and Attachment Apparatus
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Q1) Immediately prior to root formation,the point where layers of outer enamel epithelium (OEE)meet inner enamel epithelium (IEE)is known as the cervical loop.This point is located at the most superficial point of enamel organ.
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.
Q2) The epithelial root sheath is between the dental papilla and the dental sac in early root development.
A)True
B)False
Q3) Which is the most common relationship of the cementum to enamel?
A) Cementum meets enamel at a definite point or junction.
B) The cementum and enamel do not meet,exposing a portion of dentin.
C) The cementum overlaps enamel.
D) Enamel overlaps the cementum.
Q4) The cortical plate is typically compact bone with an atypical periosteum.
A)True
B)False
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Chapter 22: Eruption and Shedding of Teeth
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Q1) As the permanent teeth become surrounded by bone,the successional lamina forms small openings in the alveolar bone,known as
A) pre-eruptive foramina
B) successional lamina buds
C) gubernacular canals
D) bony crypt grooves
Q2) The united epithelium is broken down by enzymatic action of Hertwig's root sheath.Upon breakdown of this epithelium the tooth emerges into the oral cavity.
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.
Q3) During the eruptive stage the reduced enamel epithelium fuses with the dental follicle to create an eruptive force.The eruptive stage continues until the erupting teeth meet the opposing arch.
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.
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Page 24
Chapter 23: Oral Mucous Membrane
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Q1) The redness of the oral mucosa is due to pigments in hemoglobin.
A)True
B)False
Q2) A mucocele is a typical sebaceous gland found in the buccal mucosa.
A)True
B)False
Q3) In the maxillary arch,the lingual gingiva changes to alveolar mucosa,as it does in the mandibular arch.Palatal mucosa is thick and keratinized.
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.
Q4) Which term can be used to describe the epithelium that lines the sulcus (Select all that apply. )?
A) Sulcular
B) Junctional
C) Attachment
D) Stratified squamous
E) Keratinized
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Chapter 24: The Tongue
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Q1) Which of the following have taste buds (Select all that apply. )?
A) Foliate
B) Filiform
C) Fungiform
D) Circumvallate
Q2) Each of the following is involved in the formation of the tongue EXCEPT one.Which one is the EXCEPTION?
A) Ectoderm
B) Entoderm
C) Mesoderm
D) Odontoblast
Q3) The tongue is similar to the gingiva in indicating a patient's overall health.
A)True
B)False
Q4) The area near the midline on the dorsum of the tongue,behind the vallate papillae,is known as the
A) lingual tonsils
B) palatine tonsils
C) circumvallate papillae
D) dorsum
Page 26
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Chapter 25: Histology of the Salivary Glands
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Q1) Surrounding the acini are myoepithelial cells that inhibit salivary secretion because these cells have the ability to contract like a muscle.
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.
Q2) Which of the following are true of demilunes (Select all that apply. )?
A) They are present in seromucous acini.
B) They are a group of serous cells arranged in half-moon clusters.
C) They are only present in connective tissue.
D) They secrete their product between the cell walls of underlying mucous cells.
E) They are the primary source of amalyse.
Q3) Intercalated ducts modify the salivary fluid that passes through them.
A)True
B)False
Q4) The acinus with the largest lumen is the serous type.
A)True
B)False
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Chapter 26: Osteology of the Skull
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Q1) Another name for the mental spines is the interior nasal spine.
A)True
B)False
Q2) The midline that shows fusion of the hard palate is called the
A) anterior nasal spine
B) median palatine suture
C) mylohyoid line
D) interparietal suture
Q3) The cribriform plate is the passageway for olfactory nerves from the nasal cavity to the brain.
A)True
B)False
Q4) The coronoid process is involved in the temporomandibular (TMJ)articulation.
A)True
B)False
Q5) The frontal lobe of the brain is within the
A) anterior cranial fossa
B) hypophyseal fossa
C) foramen rotundum
D) crista galli
28
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Chapter 27: Nose, Nasal Cavity, and Paranasal Sinuses
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Q1) The lateral walls of the nasal cavity are formed by the inferior concha(e).The point where the ethmoid bone and the maxillae meet in the lateral wall is called the superior nasal concha.
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.
Q2) The ethmoid sinuses are frequently called the paranasal sinuses because they are not single-paired sinuses but are divided into numerous small compartments.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
Q3) The most posterior-superior part of the nasal cavity is
A) where the ethmoid meets the sphenoid bone.
B) the choana.
C) the superior nasal concha.
D) the ethmoid bulla.
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Page 29
Chapter 28: Muscles of Mastication, Hyoid Muscles, and Sternocleidomastoid
and Trapezius Muscles
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Sample Questions
Q1) Spasms originating from the TMJ can be referred (as pain)to the sternocleidomastoid muscle (SCM).
A)True
B)False
Q2) The insertion of a muscle is attached to the more movable structure.
A)True
B)False
Q3) All muscles of mastication are attached to an area of the mandible.
A)True
B)False
Q4) Muscles of mastication are innervated by the fifth cranial nerve because they develop from the first (mandibular)pharyngeal arch.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
Q5) The suprahyoid and thyrohyoid muscles control laryngeal movements.
A)True
B)False
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Chapter 29: Tempo-romandibular Joint
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Sample Questions
Q1) If the condyle glides too far forward,it may be unable to move back into its normal position.When this occurs,the clinician can physically push the mandible down and posteriorly,away from the articular eminence.
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.
Q2) The temporomandibular joint (TMJ)has one synovial cavity.
A)True
B)False
Q3) If the condyle moves too far anteriorly (during typical functions),it may move to the height of the articular eminence.This movement frequently causes difficulty in opening the mouth.
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.
Q4) The mandibular fossa is the area between the condyle and the coronoid process. A)True
B)False
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Chapter 30: Muscles of Facial Expression
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Sample Questions
Q1) Which of the following are true of the buccinator muscle (Select all that apply. )?
A) It is probably the most important muscle of the mouth.
B) It has no role in mastication.
C) It originates from the pterygomandibular raphe.
D) It originates from the buccal alveolar bone of maxillary molars.
E) It makes up the musculature of the cheek.
Q2) The levator palpebrae superioris muscle is considered a muscle of the orbit because it is supplied by both the oculomotor and facial nerves.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
Q3) The risorius muscle pulls the corners of the mouth down as in a frown.
A)True
B)False
Q4) All of muscles surrounding the oral cavity interlace with the orbicularis oris.
A)True
B)False
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Chapter 31: Soft Palate and Pharynx
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Sample Questions
Q1) The superior pharyngeal constrictor muscle and the buccinatorfacial muscle have the same point of origin.
A)True
B)False
Q2) The palatoglossal muscle is misnamed because although it originates in the palate,it inserts into the floor of the mouth near the hyoid bone.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
Q3) The stylopharyngeal muscle is the primary dilator of the pharynx.This muscle originates in the end of the auditory tube in the lateral wall of the nasal pharynx.
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.
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Page 33
Chapter 32: Arterial Supply and Venous Drainage
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Sample Questions
Q1) The pterygopalatine artery supplies the soft palate area.
A)True
B)False
Q2) The pterygopalatine artery supplies most of the nasal cavity.At the sphenopalatine foramen,it emerges as the nasopalatine artery to anastomose with the greater palatine artery.
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.
Q3) The external jugular vein empties into the subclavian vein.
A)True
B)False
Q4) The external carotid artery has numerous branches that supply the head and neck area with blood.The ascending pharyngeal artery is a branch within the anterior branch.
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.
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Chapter 33: Salivary Glands
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Sample Questions
Q1) The palatine glands are responsible for taste perception because they contain special taste-enhancing cells.
A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.
Q2) The minor salivary glands produce enough saliva to mix with food.They are smaller than the major salivary glands but have longer ducts.
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.
Q3) The glands of von Ebner are purely serous glands.
A)True
B)False
Q4) Mumps is a bacterial infection of the parotid gland.
A)True
B)False
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Chapter 34: Nervous System
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Sample Questions
Q1) The olfactory nerve has sensory and motor functions.
A)True
B)False
Q2) The spinal nerve divides into a dorsal and a ventral primary ramus.This division occurs in the gray matter.
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.
Q3) The autonomic nervous system is composed of preganglionic and postganglionic neurons.These neurons diverge (separate)in a ganglion within the nervous system.
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.
Q4) The abducens nerve is responsible for equilibrium.
A)True
B)False
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Chapter 35: Lymphatics and Spread of Dental Infection
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Sample Questions
Q1) A swelling below the eye is MOST likely caused by infection from the A) lacrimal duct
B) maxillary sinus
C) maxillary canine
D) auricular
Q2) Infections at the apices of teeth cause swelling either mesial or distal to the involved tooth.A swelling of apical origin occurring in the vestibule is sometimes called a gumboil.
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.
Q3) A subtle difficult to diagnose pattern of infection spreads through fascial spaces.A fascial space exists between layers of muscles or layers of connective tissue.
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.
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Chapter 36: Anatomical Considerations of Local Anesthesia
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Sample Questions
Q1) All of the following are major concerns with nerve blocks EXCEPT one.Which one is the EXCEPTION?
A) Bruising
B) Injecting into a blood vessel
C) Tearing a blood vessel
D) Puncturing a nerve
Q2) The regional nerve block affects a much larger area and more teeth because it affects larger nerves.
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.
Q3) There are three palatal nerve blocks that provide anesthesia to the palatal periodontium and gingiva;they affect only the lingual tissues.
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.
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