Orofacial Anatomy and Physiology
Textbook Exam Questions
Course Introduction
Orofacial Anatomy and Physiology explores the detailed structure and functional dynamics of the oral and facial regions. This course emphasizes the anatomical features and physiological processes of the bones, muscles, nerves, vasculature, and glands that contribute to oral functions such as mastication, speech, and facial expression. Students will gain foundational knowledge crucial for understanding dental and craniofacial health, as well as the implications of anatomical variations and pathological conditions. Through lectures, laboratory exercises, and practical case studies, learners will develop skills essential for clinical assessment and diagnosis within the broader context of oral health care.
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) The small bony growths that commonly occur on the buccal cortical plate of the maxillae and the mandible are called
A) torus palatinus
B) mandibular tori
C) exostoses
D) maxillary tuberosity
Answer: C
Q2) Of the following structures,which is the MOST susceptible to trauma?
A) Hard palate
B) Buccal mucosa
C) Floor of the mouth
D) Dorsal surface of the tongue
E) Attached gingiva
Answer: C
Q3) The posterior portion of the soft palate is a part of the esophagus.
A)True
B)False
Answer: False
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Chapter 2: The Tooth: Functions and Terms
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Q1) The lower the root to crown ratio number the more resistance a tooth would have to displacement.
A)True
B)False
Answer: False
Q2) Hardest mineralized tissue
A)Enamel
B)Cementum
C)Dentin
D)Pulp
Answer: A
Q3) None of the following tissues have the ability to regenerate EXCEPT one.Which one is the EXCEPTION?
A) Enamel
B) Dentin
C) Pulp
D) Periodontal ligament
Answer: B
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Chapter 3: Fundamental and Preventive Curvatures
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Sample Questions
Q1) Interproximal space
A)Interdental space
B)Crest of curvature
C)Cervical line
D)Embrasure
E)Occlusal contact
Answer: A
Q2) Each of the following can be damaged by an overhanging restoration EXCEPT one.Which one is the EXCEPTION?
A) Contact point
B) Marginal gingiva
C) Plaque retention
D) Alveolar bone
E) Contact area
Answer: A
Q3) The facial crest of curvature for all teeth is located at the cervical third.
A)True
B)False
Answer: True
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Page 5
Chapter 4: Dentition
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Sample Questions
Q1) Permanent first molars are succedaneous teeth.
A)True
B)False
Q2) In the Federation Dentaire Internationale (FDI)the symbol 36 represents the
Q3) The Universal system code for the permanent maxillary right first premolar is
Q4) In the Universal system the number 31 represents the ________________.
Q5) The Universal system code for the deciduous maxillary right second molar is
Q6) In the deciduous dentition,tooth "C" in the Universal System refers to the maxillary right lateral incisor.Tooth "K" refers to the mandibular left second molar.
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.
Q7) 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 choice best indicates the years of eruption for all of the premolars?
A) 8 to 10
B) 9 to 11
C) 10 to 12
D) 11 to 13
Q2) Permanent mandibular central incisors are the first succedaneous teeth to erupt.The earliest visible portion of an anterior tooth is the cusp of Carabelli,the name for the lingual lobe of mandibular central incisors.
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) 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) 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
Q2) Each of the following is true of centric occlusion EXCEPT one.Which one is the EXCEPTION?
A) It is determined by the way teeth fit together.
B) It is the jaw position that affords greatest interdigitation of teeth.
C) It is related to occlusion.
D) It is determined by both muscle and bone.
Q3) Centric relation refers to the position of the retruded mandible to the maxilla. A)True
B)False
Q4) The average overjet of primary teeth is 2.0 mm.
A)True
B)False
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Chapter 7: Dental Anomalies
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Sample Questions
Q1) An odontoma is composed of each of the following EXCEPT one.Which one is the EXCEPTION?
A) Dentin
B) Pulp
C) Enamel
D) Cementum
Q2) Tetracycline staining is an enamel dysplasia that occurs because an expectant mother or young child with tooth crowns still developing takes the antibiotic tetracycline.
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) 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) The thin,soft,smooth alveolar mucosa is highly keratinized.The thicker,stippled attached gingiva is keratinized,contains rete pegs,and is covered with stratified squamous epithelium.
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) Each of the following fibers extend from the cementum to the alveolar bone EXCEPT one.Which one is the EXCEPTION?
A) Oblique
B) Horizontal C) Alveolar
D) Apical
E) Transseptal
Q3) On a radiograph,the alveolar bone that surrounds the tooth is called supraperiosteal bone.
A)True
B)False
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10
Chapter 9: Clinical Considerations
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Sample Questions
Q1) Pulpal tissue cannot expand because the pulp is encased in hard dentinal tissue that makes expansion virtually impossible.
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) Tooth migration can begin with 24 hours of an extraction.Tooth migration,otherwise known as mesial drift,of teeth is a natural phenomenon.
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) Occlusal trauma
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
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Page 11
Chapter 10: Tooth Identification
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Sample Questions
Q1) Roots of third molars are most often dilacerated because the more posterior the molars are positioned,the more variation of anatomy is evident.
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) Which molar has two buccal grooves?
A) Maxillary first
B) Maxillary second
C) Mandibular first
D) Mandibular second
Q3) Maxillary molars have three roots,a facial and two lingual.Mandibular molars have two roots,a facial and a lingual.
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 11: Root Morphology
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Sample Questions
Q1) If there are two pulp canals in a root,there could be one or two openings in the root.
A)True
B)False
Q2) Orthodontics requires a sustained pressure to move teeth to a new location.Osteoblasts respond to the new location by forming new bone.
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) CEJ
A)Rough cementum
B)Opening at apex
C)Cementum meets enamel
D)Cementoma
E)Enamel pearl
F)Accessory canal(s)
G)Secondary dentin
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Chapter 12: Incisors
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Sample Questions
Q1) The mandibular central incisor occludes with both the maxillary central incisor and the maxillary lateral incisor.Similar to other anterior teeth,a mandibular incisor is derived from five lobes,three facial lobes and two lingual lobes.
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 incisor has a lingual pit?
A) Maxillary central
B) Maxillary lateral
C) Mandibular central
D) Mandibular lateral
Q3) Each mamelon forms the incisal edge of one of the primary labial lobes of the incisors.With wear,the rounded incisal edge becomes flat and is then referred to the incisal ridge.
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 14
Chapter 13: Canines
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Sample Questions
Q1) The root of the mandibular canine is sometimes bifurcated like the A) maxillary lateral
B) maxillary canine
C) mandibular lateral
D) None of the above
Q2) The canines are especially efficient at pulverizing food because their double-cuspal arrangement provides assistance to the molars.
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) Both maxillary and mandibular canines are more rounded on the distal surface.Their distal contact area is in the incisal third.
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 14: Premolars
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Sample Questions
Q1) 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
Q2) Which of the following are true of the maxillary second premolars (Select all that apply. )?
A) Evidence of calcification is seen at 2 years of age.
B) Completion of enamel formation occurs at 4 years of age.
C) Eruption occurs at 11 to 13 years of age.
D) Root formation is completed by 12 to 14 years of age.
Q3) Which of the following are true of both maxillary first premolars and maxillary second premolars (Select all that apply. )?
A) Both have two cusps.
B) Both have two roots.
C) Both are formed from four developmental lobes.
D) Both have two pulp horns.
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Page 16
Chapter 15: Molars
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Sample Questions
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 mesial root of the mandibular first molar often has
A) one pulp canal
B) two pulp canals
C) two distinct mesial roots
D) dilaceration
Q3) Roots of the mandibular molars are inclined mesially.
A)True
B)False
Q4) Which molar's occlusal groove pattern resembles a cross (+)?
A) Maxillary first
B) Maxillary second
C) Mandibular first
D) Mandibular second
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Chapter 16: Deciduous Dentition
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Sample Questions
Q1) Which deciduous molars have three root canals (Select all that apply. )?
A) Maxillary first
B) Maxillary second
C) Mandibular first
D) Mandibular second
Q2) Buccal
A)Facial
B)No mamelons are visible.
C)Roots are almost twice the length of crowns.
D)Resembles the permanent mandibular first molar
E)Primary tooth that bears least resemblance to another tooth
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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Sample Questions
Q1) 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.
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) Purkinje's fibers are composed of specialized nerve cells.They conduct messages through the heart to help it contract properly.
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 19
Chapter 18: Development of Orofacial Complex
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Sample Questions
Q1) The foramen cecum is the point where the thyroid gland begins to develop.It is a small depression near the eustachian tube.
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 thyroid gland originates from
A) the foramen cecum
B) the anterior two-thirds of the tongue
C) the posterior third of the tongue
D) the midline of the inner surface of the pharyngeal arches
E) all of the above
Q3) Which ethnic group is most likely to have a combined cleft lip and palate?
A) Caucasians
B) Asians
C) African Americans
D) There is very little differentiation by ethnicity.
Q4) The stomodeum forms the oral cavity and the oral pharynx.
A)True
B)False
Page 20
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Chapter 19: Dental Lamina and Enamel Organ
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Q1) The cells of the outer enamel epithelium (OEE)are indirectly responsible for enamel formation because they elongate and become ameloblasts.
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) At about the sixth embryonic week,there is a continued thickening in the dental lamina.These localized thickenings correspond to the positions of the 20 teeth of the future primary dentition.
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 earliest signs of tooth development are seen during the 10th week in utero.
A)True
B)False
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Page 21
Chapter 20: Enamel, Dentin, and Pulp
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Q1) Enamel is generally yellowish in color but usually appears white because of the reflection of the color of the underlying dentin.
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) Once formed,the often stained primary cuticle can be removed by (Select all that apply. ):
A) Regular toothbrushing
B) Dental scaling
C) Dental prophylaxis
D) Tooth bleaching
Q3) Enamel,dentin,and pulp develop from enamel organ.Enamel is derived from ectoderm whereas dentin and pulp are derived from mesoderm.
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 22
Chapter 21: Root Formation and Attachment Apparatus
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Q1) Acellular cementum contains trapped cementoblasts because they remain in the matrix after secretion.
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 parts of the periodontal ligament embedded in cementum are known as cementocytes.The periodontal fibers surrounded by alveolar bone on the other side of the tooth socket are known as Sharpey's fibers.
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 main fiber group for resisting occlusal stress is the
A) interradicular
B) apical
C) horizontal
D) oblique
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Page 23
Chapter 22: Eruption and Shedding of Teeth
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Q1) If a root is damaged during formation,which of the following would occur?
A) Tooth eruption ceases.
B) Tooth eruption continues.
C) Root decay
D) Ankylosis
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) Active tooth eruption refers to the emergence of a crown into the oral cavity.This eruptive process is usually divided into the pre-eruptive and posteruptive stages.
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 23: Oral Mucous Membrane
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Q1) Masticatory mucosa is able to withstand trauma or compression during mastication because its surface lacks keratin,an especially vulnerable surface covering.
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) Healthy oral mucosa often appears white because underlying nutritive collagen fibers reflect through the thin mucosal epithelium.
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 redness of the oral mucosa is due to pigments in hemoglobin.
A)True
B)False
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Page 25
Chapter 24: The Tongue
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Q1) The tongue develops from a swelling that arises out of the anterior portion of the pharyngeal arches.This swelling develops from the future floor of 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.
Q2) 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
Q3) The fungiform papillae do not have taste buds.
A)True
B)False
Q4) The tongue is similar to the gingiva in indicating a patient's overall health.
A)True
B)False
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Chapter 25: Histology of the Salivary Glands
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Q1) Which ducts have mitochondria that appear striped when stained (Select all that apply. )?
A) All intralobular
B) Intralobular intercalated
C) Intralobular secretory
D) All interlobular
E) Some interlobular
Q2) When cells secrete their products,the cell membrane is destroyed.
A)True
B)False
Q3) Secretory function can be modified by each of the following EXCEPT one.Which one is the EXCEPTION?
A) Chewing
B) Taste
C) Smell
D) Dehydration
E) Tubelike acinal endpieces
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) In the body of the sphenoid is a depression called the hypophyseal fossa.The master gland,the thyroid,lies in this fossa.
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) Sutures visible from the superior aspect of the skull include (Select all that apply. )
A) coronal suture
B) lambdoid suture
C) sagittal suture
D) squamosal suture
E) interparietal suture
Q3) Alveolar eminences within the zygomatic process are most prominent on anterior teeth.
A)True
B)False
Q4) The pterygoid processes each have two thin walls of bone that project backward,which are called the __________ pterygoid plates.
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Chapter 27: Nose, Nasal Cavity, and Paranasal Sinuses
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Q1) Most of the openings into the nasal cavity from other areas are known as the sphenoid sinuses.There are four pairs of paranasal sinuses.
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) It is possible that a periapical infection of a tooth may involve the _______sinus.
Q3) The cilia have hairlike projections that perceive odors because they are located within the olfactory epithelium.
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.
Q4) The __________ ethmoid sinuses are located within the ethmoid bulla.
Q5) The area underneath each concha is known as a __________.
Q6) The sinuses that are subdivided into numerous small compartments are the __________ sinuses.
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Chapter 28: Muscles of Mastication, Hyoid Muscles, and Sternocleidomastoid
and Trapezius Muscles
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Sample Questions
Q1) Innervation to the digastric muscle is unusual because it has two nerves supplying it.
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) Which muscle of mastication fans out widely at its origin?
A) Masseter
B) Temporal
C) Medial pterygoid
D) Lateral pterygoid
Q3) During an extraoral examination,it is necessary to palpate beneath the sternothyroid muscle because enlarged lymph nodes may be lying against the internal jugular vein in the neck.
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.
Page 30
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Chapter 29: Tempo-romandibular Joint
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Sample Questions
Q1) The retrodiscal pad lies between the two posterior lamina of the disk.
A)True
B)False
Q2) The thickened area surrounding the articular disk is called the temporomandibular ligament.This ligament provides some resistance to lateral displacement.
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) Bruxism can wear down teeth if it occurs over a long period of time.The more immediate result of bruxism is the inability to close the mouth when it has been opened very wide.
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) Subluxation occurs when the mandible is opened wide.
A)True
B)False
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Chapter 30: Muscles of Facial Expression
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Sample Questions
Q1) Which muscle compresses the lips?
A) Levator labii superioris
B) Depressor labii inferioris
C) Levator anguli superioris
D) Orbicularis oris
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 action of the orbicularis oris is to close and compress the lips.
A)True
B)False
Q4) Muscles of the scalp move the scalp in a forward but not a backward movement.
A)True
B)False
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Chapter 31: Soft Palate and Pharynx
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Sample Questions
Q1) The esophagus is composed of which type(s)of muscle (Select all that apply. )?
A) Smooth
B) Skeletal
C) Voluntary
D) Involuntary
Q2) The levator veli palatini elevates the posterior end of the soft palate.It joins the tensor veli palatini in tensing 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.
Q3) Each of the following is true of the middle pharyngeal muscle EXCEPT one.Which one is the EXCEPTION?
A) It originates from the posterior,upper part of the hyoid bone.
B) It crosses the stylohyoid ligament.
C) It inserts into the median raphe.
D) Contraction constricts the pharyngeal opening.
E) Contraction forces food down toward the esophagus.
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Chapter 32: Arterial Supply and Venous Drainage
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Sample Questions
Q1) From the aorta,blood flows through the thorax.In the thorax,the aorta ends as common paired iliac arteries.
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 right atrioventricular valve is also known as the tricuspid valve.
A)True
B)False
Q3) Blood from the brachiocephalic vein flows into the vena cava and into the
A) external jugular vein
B) internal jugular
C) superior vena cava
D) heart
Q4) The lingual and the facial arteries
A) supply the tongue
B) travel the same path,parallel to each other
C) often join together before branching separately
D) supply labial gingival of mandibular teeth
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Chapter 33: Salivary Glands
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Sample Questions
Q1) The submandibular gland is called a mixed gland because it includes both serous and 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.
Q2) Minor salivary glands are most often pure mucous cells.
A)True
B)False
Q3) Each of the following minor salivary glands is located on the tongue EXCEPT one.Which one is the EXCEPTION?
A) Anterior lingual
B) Glands of von Ebner
C) Posterior lingual
D) Glossopalatine
Q4) The sublingual gland is lingual to the mandibular canine.
A)True
B)False
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Chapter 34: Nervous System
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Sample Questions
Q1) The 12 pairs of thoracic nerves are distributed in the thorax and lumbar regions because all spinal nerves are distributed by region from the neck to the toes.
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) There are 31 pairs of spinal nerves.Twelve are in the thorax or chest region and eight are in the cervical or neck region.
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 central nervous system is made up of the brain and the spinal cord.
A)True
B)False
Q4) An intercalated neuron is a shorter neuron that runs between the two neurons.
A)True
B)False
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Chapter 35: Lymphatics and Spread of Dental Infection
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Sample Questions
Q1) Infections of mandibular premolars and anterior teeth spread into the sublingual space because the disease breaks out of bone below the mylohyoid line.
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) 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) The maxillary premolars are drained by the submental nodes.
A)True
B)False
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Chapter 36: Anatomical Considerations of Local Anesthesia
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Sample Questions
Q1) To anesthetize the maxillary premolars and their associated bone,the following procedure would be used:
A) Middle superior alveolar nerve block
B) Nasopalatine nerve block
C) Buccal nerve block
D) Gow-Gates block
Q2) It is necessary to have a good understanding of the root's width in order to properly perform supraperiosteal injections.
A)True
B)False
Q3) 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
Q4) The nerve exits the tooth at the root apex.
A)True
B)False
38
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