Netter's MCQs Chapter 9: Temporomandibular Joint

Question 1

The squamous portion of the temporal bone articulates with which structure, forming the temporomandibular joint?

a: mandibular notch
b: ramus of the mandible
c: condyle of the mandible
d: coronoid of the mandible

Answer 1

c: condyle of the mandible

Question 2

Which is NOT a main load-bearing area of the TMJ?

a: condyle
b: articular disc
c: lateral aspect of the squamous portion of the temporal bone
d: medial aspect of the squamous portion of the temporal bone

Answer 2

d: medial aspect of the squamous portion of the temporal bone

Question 3

Which structure is a bony prominence located at the base of the zygomatic process?

a: glenoid fossa
b: tympanic plate
c: articular tubercle
d: articular eminence

Answer 3

d: articular eminence

Question 4

Which structure supplies attachment sites along the posterior portion of the glenoid fossa?

a: tympanic plate
b: postglenoid tubercle
c: articular tubercle
d: articular eminence

Answer 4

b: postglenoid tubercle

Question 5

The surface of the squamous portion of the temporal bone is composed of which material?

a: synovial fluid
b: hyaline cartilage
c: fibrous connective tissue
d: collagenous connective tissue

Answer 5

c: fibrous connective tissue

Question 6

The articular disc is located between which structure and the squamous portion of the temporal bone?

a: tympanic plate
b: articular eminence
c: mandibular condyle
d: postglenoid tubercle

Answer 6

c: mandibular condyle

Question 7

Which area of the articular disc is avascular and aneural?

a: lateral
b: central
c: anterior
d: posterior

Answer 7

b: central

Question 8

Which is NOT a division of the bands of the articular disc?

a: superior
b: anterior
c: posterior
d: intermediate

Answer 8

a: superior

Question 9

Which portion of the articular disc is the main load-bearing area?

a: medial
b: lateral
c: anterior
d: posterior

Answer 9

b: lateral

Question 10

Which attachment is adjacent to the bilaminar zone?

a: medial
b: lateral
c: anterior
d: posterior

Answer 10

d: posterior

Question 11

Which component of the TMJ attaches to the posterior portion of the disc to the condyle?

a: inferior lamina
b: retrodiscal pad
c: medial attachment
d: anterior attachment

Answer 11

a: inferior lamina

Question 12

Which is NOT a component of the bilaminar zone of the posterior attachment complex of the TMJ?

a: inferior lamina
b: tympanic plate
c: superior lamina
d: retrodiscal pad

Answer 12

b: tympanic plate

Question 13

Which is a compartment of the TMJ?

a: lateral
b: inferior
c: anterior
d: posterior

Answer 13

b: inferior

Question 14

The TMJ is which type of joint?

a: fibrous
b: synovial
c: symphysis
d: cartilaginous

Answer 14

b: synovial

Question 15

Which is the volume of the superior compartment of the TMJ for synovial fluid?

a: 0.5mL
b: 0.9mL
c: 1.2mL
d: 1.5mL

Answer 15

c: 1.2mL

Question 16

The superior compartment of the TMJ provides for which type of movement?

a: pivotal
b: rotational
c: translational
d: circumductional

Answer 16

c: translational

Question 17

The articular surfaces of both the condyle and the temporal bone are enclosed by which component of the TMJ?

a: capsule
b: ligaments
c: articular disc
d: compartments

Answer 17

a: capsule

Question 18

Which component of the TMJ does NOT have a synovial lining?

a: capsule
b: collateral ligaments
c: inferior compartment
d: superior compartment

Answer 18

b: collateral ligaments

Question 19

Ligaments toughen which aspects of the condyle by providing joint stability?

a: medial and lateral
b: inferior and anterior
c: superior and inferior
d: anterior and posterior

Answer 19

a: medial and lateral

Question 20

Which site of attachment of the capsule is located along the retrodiscal pad?

a: medial
b: inferior
c: superior
d: posterior

Answer 20

d: posterior

Question 21

Which ligament of the TMJ limits the anterior protrusion of the mandible?

a: medial collateral ligament
b: stylomandibular ligament
c: sphenomandibular ligament
d: tempormandibular ligament

Answer 21

b: stylomandibular ligament

Question 22

Which artery does NOT supply the TMJ?

a: deep auricular
b: posterior auricular
c: anterior tympanic
d: superficial temporal

Answer 22

b: posterior auricular

Question 23

Which artery passes through the petrotympanic fissure to supply the TMJ?

a: deep auricular
b: middle meningeal
c: anterior tympanic
d: superficial temporal

Answer 23

c: anterior tympanic

Question 24

Which artery DOES NOT supply branches to the TMJ?

a: deep auricular
b: transverse facial
c: anterior tympanic
d: superficial temporal

Answer 24

b: transverse facial

Question 25

Which vein receives branches from the TMJ for venous drainage?

a: maxillary
b: deep facial
c: transverse facial
d: posterior auricular

Answer 25

a: maxillary

Question 26

Which vein is formed by the joining of the superficial temporal and maxillary veins?

a: common facial
b: retromandibular
c: posterior auricular
d: superficial temporal

Answer 26

b: retromandibular

Question 27

The posterior division of the trigeminal nerve that innervates the TMJ is the

a: masseteric
b: mylohyoid
c: auriculotemporal
d: posterior deep temporal

Answer 27

c: auriculotemporal

Question 28

Which nerve supplies the joint just before innervating the temporalis muscle?

a: masseteric
b: inferior alveolar
c: auriculotemporal
d: posterior deep temporal

Answer 28

d: posterior deep temporal