Question 1

Injury to the medial and lateral attachments to the articular disk rarely causes pain because these areas do not have nerve supply.

Accepted Answer

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. 
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. E

Question 2

The temporomandibular ligament is

Accepted Answer

A)  an internal thickening of the medial side of the capsule 
B)  an internal thickening of the lateral side of the capsule 
C)  attached to the articular tubercle and the medial side of the neck of the condyle 
D)  attached to the posterior border of the ramus 
A)  an internal thickening of the medial side of the capsule 
B)  an internal thickening of the lateral side of the capsule 
C)  attached to the articular tubercle and the medial side of the neck of the condyle 
D)  attached to the posterior border of the ramus B

Question 3

The entire TMJ is surrounded by a thin epithelial capsule.The temporomandibular ligament is a thickening on the medial side of this capsule.

Accepted Answer

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. 
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. D

Question 4

The contraction of the lateral pterygoid muscle

Accepted Answer

A)  elevates the mandible 
B)  retracts the mandible 
C)  moves the condyle forward 
D)  moves the condyle posteriorly 
A)  elevates the mandible 
B)  retracts the mandible 
C)  moves the condyle forward 
D)  moves the condyle posteriorly

Question 5

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.

Accepted Answer

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. 
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.

Question 6

The gliding movement of the TMJ occurs along the anterior slope of the articular eminence.Specifically,this gliding movement occurs between the articular disk and the articular surface of the temporal bone.

Accepted Answer

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. 
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.

Question 7

Referred pain is pain perceived at a location other than the site of the painful stimulus.Pain of this nature almost always originates in a nearby structure.

Accepted Answer

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. 
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.

Question 8

The slope of bone anterior to the mandibular fossa is the

Accepted Answer

A)  synovial cavity 
B)  posterior tubercle 
C)  coronoid process 
D)  articular eminence 
A)  synovial cavity 
B)  posterior tubercle 
C)  coronoid process 
D)  articular eminence

Question 9

The inferior surface of the articular disk is concave in shape.The superior surface is flat with a slightly bulging surface.

Accepted Answer

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. 
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.

Question 10

The synovial fluid prevents dislocation of the TMJ components because its lubricating qualities allow surfaces to rub over one another without irritation.

Accepted Answer

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. 
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.

Question 11

The intermediate zone is the thin middle area of the articular disk.The thick posterior area of the articular disk is called the posterior zone.

Accepted Answer

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. 
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.

Question 12

Subluxation occurs when the mandible is opened wide.

Accepted Answer

A) True 
 B)False

Question 13

The temporomandibular joint (TMJ)has one synovial cavity.

Accepted Answer

A) True 
 B)False

Question 14

The retrodiscal pad lies between the two posterior lamina of the disk.

Accepted Answer

A) True 
 B)False

Question 15

The articular disk is loosely attached to the condyle and the mandibular fossa.

Accepted Answer

A) True 
 B)False

Question 16

The retrodiscal pad has very little nutritive supply because it is composed of dense connective tissue that lacks blood and nerve supply.

Accepted Answer

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. 
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.

Question 17

The temporomandibular ligament helps prevent displacement of the condyle in each of the following directions EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)  Lateral 
B)  Posterior 
C)  Inferior 
D)  Rotational 
A)  Lateral 
B)  Posterior 
C)  Inferior 
D)  Rotational

Question 18

The thickened area surrounding the articular disk is called the temporomandibular ligament.This ligament provides some resistance to lateral displacement.

Accepted Answer

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. 
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.

Question 19

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.

Accepted Answer

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. 
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.

Question 20

The TMJ has three distinct types of movement.They are rotational,gliding,and subluxating.

Accepted Answer

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. 
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.

Exam 29: Tempo-romandibular Joint

Injury to the medial and lateral attachments to the articular disk rarely causes pain because these areas do not have nerve supply.

The temporomandibular ligament is

The entire TMJ is surrounded by a thin epithelial capsule.The temporomandibular ligament is a thickening on the medial side of this capsule.

The contraction of the lateral pterygoid muscle

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.

The gliding movement of the TMJ occurs along the anterior slope of the articular eminence.Specifically,this gliding movement occurs between the articular disk and the articular surface of the temporal bone.

Referred pain is pain perceived at a location other than the site of the painful stimulus.Pain of this nature almost always originates in a nearby structure.

The slope of bone anterior to the mandibular fossa is the

The inferior surface of the articular disk is concave in shape.The superior surface is flat with a slightly bulging surface.

The synovial fluid prevents dislocation of the TMJ components because its lubricating qualities allow surfaces to rub over one another without irritation.

The intermediate zone is the thin middle area of the articular disk.The thick posterior area of the articular disk is called the posterior zone.

Subluxation occurs when the mandible is opened wide.

The temporomandibular joint (TMJ)has one synovial cavity.

The retrodiscal pad lies between the two posterior lamina of the disk.

The articular disk is loosely attached to the condyle and the mandibular fossa.

The retrodiscal pad has very little nutritive supply because it is composed of dense connective tissue that lacks blood and nerve supply.

The temporomandibular ligament helps prevent displacement of the condyle in each of the following directions EXCEPT one.Which one is the EXCEPTION?

The thickened area surrounding the articular disk is called the temporomandibular ligament.This ligament provides some resistance to lateral displacement.

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.

The TMJ has three distinct types of movement.They are rotational,gliding,and subluxating.

Oral Cavity

The Tooth: Functions and Terms

Fundamental and Preventive Curvatures

Dentition

Development, form, and Eruption

Occlusion

Dental Anomalies

Supporting Structures

Clinical Considerations

Tooth Identification

Root Morphology

Incisors

Canines

Premolars

Molars

Deciduous Dentition

Basic Tissues

Development of Orofacial Complex

Dental Lamina and Enamel Organ

Enamel, Dentin, and Pulp

Root Formation and Attachment Apparatus

Eruption and Shedding of Teeth

Oral Mucous Membrane

The Tongue

Histology of the Salivary Glands

Osteology of the Skull

Nose, Nasal Cavity, and Paranasal Sinuses

Muscles of Mastication, Hyoid Muscles, and Sternocleidomastoid and Trapezius Muscles

Muscles of Facial Expression

Soft Palate and Pharynx

Arterial Supply and Venous Drainage

Salivary Glands

Nervous System

Lymphatics and Spread of Dental Infection

Anatomical Considerations of Local Anesthesia

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