Question 1

Each of the following is a branch of the mandibular division of the trigeminal nerve that supplies the temporomandibular joint (TMJ) EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)   Auriculotemporal nerve
B)   Deep temporal nerve
C)   Masseteric nerve
D)   Inferior alveolar nerveE) A) and D)
F) None of the above

Question 2

More blood vessels innervate the lateral and medial surfaces of the articular disk than the anterior and posterior areas.

Accepted Answer

A) True 
 B)False

Question 3

A mature mandibular condyle exhibits which characteristic?

Accepted Answer

A)   The condylar head is a round shape.
B)   Bone covers the head of the condyle.
C)   A thick layer of cartilage covers the head of the condyle.
D)   Spikes of porous cartilage project into the underlying bone marrow.E) None of the above
F) C) and D) B

Question 4

The action of the lower half of the TMJ is a gliding motion.

Accepted Answer

A) True 
 B)False

Question 5

The articular disk is thin but highly vascular.

Accepted Answer

A) True 
 B)False

Question 6

The heads of mandibular condyles form secondary ossification centers.Secondary ossification centers produce epiphyseal lines (cartilage-bone junctions) .

Accepted Answer

A)   Both statements are true.
B)   Both statements are false.
C)   The first statement is true;the second is false.
D)   The first statement is false;the second is true.E) A) and D)
F) None of the above

Question 7

Which of the following is a function of the lateral ligament of the temporomandibular joint?

Accepted Answer

A)   Operates in retraction of the disk.
B)   Strengthens the capsule and allows freedom of condylar movement.
C)   Provides strong insulation between the condylar heads and articular surfaces.
D)   Supports the joint and limits excursions of the condyles to a normal range.E) C) and D)
F) B) and D)

Question 8

The spine of bone arising from the rim of the mandibular foramen is called the

Accepted Answer

A)   mental foramen.
B)   genial tubercles.
C)   submandibular fossa.
D)   lingula.E) B) and C)
F) A) and B)

Question 9

No epiphyseal line is found in the TMJ condyle.

Accepted Answer

A) True 
 B)False

Question 10

At birth,the heads of the mandibular condyles are round and covered with a thick layer of

Accepted Answer

A)   bone.
B)   cartilage.
C)   fibrous connective tissue.
D)   elastic connective tissue.E) All of the above
F) A) and B)

Question 11

Which of the following ligaments do not support the temporomandibular joint?

Accepted Answer

A)   Stylohyoid
B)   Stylomandibular
C)   Sphenomandibular
D)   TemporomandibularE) A) and B)
F) A) and C)

Question 12

The articular fossa undergoes which developmental change?

Accepted Answer

A)   Deepens and expands
B)   Becomes brittle and narrow
C)   Loses flexibility and perforates
D)   Becomes increasingly scalloped in shapeE) B) and C)
F) C) and D)

Question 13

Which of the following is a function of the temporomandibular joint capsule?

Accepted Answer

A)   Provides joint lubrication
B)   Supports articulatory movements
C)   Encloses the lateral,medial,and posterior boundaries
D)   Keeps the disk immobile when the head of the condyle movesE) A) and D)
F) B) and D)

Question 14

Which ligament attaches to the lateral part of the disk?

Accepted Answer

A)   Stylohyoid
B)   Stylomandibular
C)   Sphenomandibular
D)   TemporomandibularE) A) and D)
F) B) and C) D

Question 15

Where is the temporomandibular fossa located?

Accepted Answer

A)   Medial to the zygomaticofrontal suture
B)   Within the periphery of the zygomatic arch
C)   At the posterior medial aspect of the zygomatic arch
D)   Along the anterior upper border of the zygomatic archE) A) and B)
F) All of the above

Question 16

Which ligament extends down the medial side of the ramus to insert on the lingula?

Accepted Answer

A)   Stylohyoid
B)   Stylomandibular
C)   Sphenomandibular
D)   TemporomandibularE) None of the above
F) A) and B)

Question 17

Every individual has eight muscles of mastication.

Accepted Answer

A) True 
 B)False  True

Question 18

At birth,condylar heads are round and covered with a thick layer of cartilage.

Accepted Answer

A) True 
 B)False

Question 19

Articular remodeling is a response to _______________.

Accepted Answer

A)   aging
B)   inactivity
C)   genetic dysfunction
D)   environmental stressE) All of the above
F) B) and D)

Question 20

The upper compartment of the temporomandibular cavity is bound superiorly by the articular fossa and inferiorly by the

Accepted Answer

A)   head of the mandibular condyle.
B)   articular disk.
C)   articular eminence.
D)   temporal bone.E) B) and C)
F) None of the above

Exam 13: Temporomandibular Joint

Each of the following is a branch of the mandibular division of the trigeminal nerve that supplies the temporomandibular joint (TMJ) EXCEPT one.Which one is the EXCEPTION?

Correct AnswerverifiedShow Answer

More blood vessels innervate the lateral and medial surfaces of the articular disk than the anterior and posterior areas.

Correct AnswerverifiedShow Answer

A mature mandibular condyle exhibits which characteristic?

Correct AnswerverifiedB

The action of the lower half of the TMJ is a gliding motion.

Correct AnswerverifiedShow Answer

The articular disk is thin but highly vascular.

Correct AnswerverifiedShow Answer

The heads of mandibular condyles form secondary ossification centers.Secondary ossification centers produce epiphyseal lines (cartilage-bone junctions) .

Correct AnswerverifiedShow Answer

Which of the following is a function of the lateral ligament of the temporomandibular joint?

Correct AnswerverifiedShow Answer

The spine of bone arising from the rim of the mandibular foramen is called the

Correct AnswerverifiedShow Answer

No epiphyseal line is found in the TMJ condyle.

Correct AnswerverifiedShow Answer

At birth,the heads of the mandibular condyles are round and covered with a thick layer of

Correct AnswerverifiedShow Answer

Which of the following ligaments do not support the temporomandibular joint?

Correct AnswerverifiedShow Answer

The articular fossa undergoes which developmental change?

Correct AnswerverifiedShow Answer

Which of the following is a function of the temporomandibular joint capsule?

Correct AnswerverifiedShow Answer

Which ligament attaches to the lateral part of the disk?

Correct AnswerverifiedD

Where is the temporomandibular fossa located?

Correct AnswerverifiedShow Answer

Which ligament extends down the medial side of the ramus to insert on the lingula?

Correct AnswerverifiedShow Answer

Every individual has eight muscles of mastication.

Correct AnswerverifiedTrue

At birth,condylar heads are round and covered with a thick layer of cartilage.

Correct AnswerverifiedShow Answer

Articular remodeling is a response to _______________.

Correct AnswerverifiedShow Answer

The upper compartment of the temporomandibular cavity is bound superiorly by the articular fossa and inferiorly by the

Correct AnswerverifiedShow Answer

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D

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True

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