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Orofacial Midterm

Total questions: 64

Worksheet time: 37mins

Name
Class
Date
1.

Resting position of mandible is not with teeth biting, it is with an inter occlusal space (freeway space) approx.

a)

1-2mm

b)

2-3mm

c)

3-5mm

d)

2-4mm

2.

Which of the following statements about the TMJ disc is INCORRECT?

a)

Disc separates the TMJ into synovial cavities

b)

Disc is attached anteriorly and posterior to the condyle

c)

Gliding movements take place between the disc and temporal bone

d)

Interior surface of the disc is concave

3.

Which structure of the TMJ secretes synovial fluid?

a)

Mandibular condyles

b)

Joint disc

c)

Inner capsule lining membranes

d)

Lateral pterygoid muscle

4.

A reduced opening of the jaw is also known as....

a)

subluxation

b)

trismus

c)

protrusion

d)

retraction

5.

Opening of the mandible causes this action...

a)

depression and protrusion

b)

depression and retraction

c)

elevation and protrusion

d)

elevation and retraction

6.

Protrusion of the mandible is an action that primarily involves...

a)

opening of the jaw

b)

closing of the jaw

c)

bringing the jaw forward

d)

bringing the jaw backwards

7.

Which of the following is located posterior to the articular fossa within the region of the TMJ

a)

Postglenoid process

b)

articular eminence

c)

Bony separation of the nasal septum

d)

Zygomatic process of the temporal bone

8.

At what position does a displaced joint disc of the TMJ usually lie?

a)

Anterior to its usual position

b)

Posterior to its usual position

c)

within the articular fossa

d)

within the mandibular notch

9.

Which of the following ligaments associated with the TMJ serves to reinforce the joint capsule

a)

Styloid

b)

Stylomandibular

c)

Temporomandibular

d)

Sphenomandibular

10.

Which of the following situations can possibly happen to the joint disc of the TMJ as a person ages?

a)

Increased blood supply

b)

fewer calcifications

c)

perforations of the structure

d)

thickening of the structure

11.

Which of the following landmarks is located upon the temporal bone?

a)

Condyle

b)

articular fossa

c)

coronoid notch

d)

external oblique line

12.

Which of the following landmarks associated with the TMJ is located DIRECTLY on the mandible

a)

Articular eminence

b)

Condyle

c)

Articular fossa

d)

Postglenoid process

13.

The joint capsule of the TMJ wraps around which structure?

a)

Coronoid process

b)

Mandibular notch

c)

Mandibular condyle

d)

Zygomatic arch

14.

During mastication the mandible returns to the..

a)

open position

b)

closed position

c)

midline

d)

laterally to the left

15.

Which of the following muscles is involved in the lateral deviation of the mandible?

a)

Masseter muscle

b)

Medial pterygoid muscle

c)

Lateral pterygoid muscle

d)

Temporalis muscle

16.

Which of the following is an overall description of the basic movements preformed by the TMJ?

a)

Gliding

b)

Rotational

c)

Gliding and rotational

d)

no movement

17.

Which area of the mandible listed below articulates with the temporal bone at the TMJ?

a)

Lingula

b)

Mandibular notch

c)

Coronoid process

d)

Condyle

18.

Which of the following situations occurs when there is subluxation of the TMJ?

a)

head of the condyle moves too far anteriorly on the articular eminence

b)

neck of the condyles moves too far posteriorly on the articular eminence

c)

coronoid process moves too far anteriorly on the articular eminence

d)

coronoid process moves too far posteriorly on the articular eminence

19.

Which muscle pair is an intrinsic tongue muscle?

a)

superior longitudinal

b)

genioglossus

c)

styloglossus

d)

hyloglossus

20.

Which muscle is an extrinsic tongue muscle?

a)

geniohyoid

b)

mylohyoid

c)

hypoglossus

d)

transverse

21.

Which muscle is located most superior of the head and neck?

a)

corrugator

b)

zygomaticus major

c)

mentalis

d)

masseter

22.

Which muscle is located deep in the skin of the neck?

a)

platysma

b)

buccinator

c)

risorius

d)

mentalis

23.

Which muscle of the tongue prevents it from obstructing our airway?

a)

genioglossus

b)

stylopharyngeus

c)

inferior longitudinal

d)

platoglossus

24.

The origin of the frontal belly of the epicranial muscle and the insertion of the occipital belly are BOTH at the...

a)

clavicle and sternum

b)

mastoid process

c)

epicranial aponeuroisis

d)

crista galli

25.

The origin of a muscle is considered to be...

a)

starting point of a muscle

b)

where muscle fiber join the bone tendon

c)

the muscle end that is attached to the least movable structure

d)

the muscle end that is attached to the most movable structure

26.

The trumpet muscle is also known as...

a)

masseter

b)

buccinator

c)

mentalis

d)

risorius

27.

Which muscle is used when a client grimaces?

a)

risorius

b)

mentalis

c)

buccinator

d)

orbicularis oris

28.

A muscle moves from insertion to origin?

a)

True

b)

False

29.

Which muscle causes us to frown?

a)

Zygomaticus minor

b)

levator anguli oris

c)

depressor anguli oris

d)

risorius

30.

Which muscle group is responsible for elevating the hyoid and depressing the mandible?

a)

infrahyoid

b)

suprahyoid

c)

intrinsic tongue muscles

d)

extrinsic tongue muscles

31.

Which muscle forms the floor of the mouth?

a)

geniohyoid

b)

omohyoid

c)

digrastric

d)

mylohyoid

32.

Which muscle does NOT aid in smiling with the lips when it contracts?

a)

zygomatic major muscle

b)

levator anguli muscle

c)

zygomaticus minor muscle

d)

epicranial muscle

33.

Which muscle group serves to depress the hyoid bone?

a)

muscles of mastication

b)

suprahyoid muscle

c)

infrahyoid muscle

d)

intrinsic tongue muscles

34.

The occipital condyle articulates with the axis?

a)

True

b)

False

35.

On the vertebrae what foramen runs in the middle?

a)

transverse foramen

b)

vertebral foramen

c)

mandibular foramen

d)

foramen magnum

36.

Which landmark is part of the petrous portion of the temporal bone, is it pointy projection that attaches the tongue?

a)

alveolar process

b)

styloid process

c)

lingula

d)

pterygoid process

37.

Which of the following structures is a large roughened projection related to the petrous part of the temporal bone?

a)

styloid process

b)

mastoid process

c)

alveolar process

d)

pterygoid process

38.

Which foramen lies on the lateral borders of the vertebrae for blood vessels?

a)

transverse foramen

b)

vertebral foramen

c)

mandibular foramen

d)

foramen magnum

39.

The lacrimal gland is located just inside the lateral part of the...

a)

glabella

b)

supraorbital notch

c)

supraorbital rim

d)

infraorbital notch

40.

The cervical bone the hyoid bone has these features. Check the features.

a)

floats

b)

greater cornu

c)

lesser cornu

d)

attaches to muscle

41.

What is the posterior projection that articulates with the condyle and part of the temporal bone?

a)

postglenoid process

b)

postmalone process

c)

posterior cornu

d)

posterior condyle

42.

The tiny bony projection superior to the mandibular foramen on the medial side is..

a)

lingula

b)

genial tubercles

c)

tuberosity

d)

styloid process

43.

Which bone is a cranial (neurocranium) bone?

a)

vomer

b)

maxilla

c)

sphenoid

d)

zygomatic

44.

Which fossa does the mandibular condyle articulate with? Which part of the temporal bone along with the articular eminence and postglenoid process.

a)

temporal fossa

b)

articular fossa

c)

canine fossa

d)

maxillary fossa

45.

which part of the pterygoid process does the hamulus protrude from?

a)

lateral pterygoid plate

b)

pterygoid fossa

c)

postglenoid fossa

d)

medial pterygoid plate

46.

Which nasal conchae is formed by the maxillary bone?

a)

superior

b)

middle

c)

inferior

d)

none

47.

The hyoid bone is located in which group of bones?

a)

neurocranium

b)

viscerocranium

c)

cervical

d)

auricular

48.

The spaces located under 3 conchae of the lateral walls of the nasal cavity are the nasal...

a)

ostia

b)

ducts

c)

meatus

d)

vestibules

49.

Which of the following structures forms the floor of each maxillary sinus?

a)

alveolar process of the maxilla

b)

facial wall of the maxilla

c)

lateral wall of the maxilla

d)

infratemporal surface

50.

On the pterygoid process of the sphenoid bone which plate does the hamulus protrude from?

a)

medial plate

b)

lateral plate

c)

petrous plate

d)

mastoid plate

51.

Which of the following process is located inferior and medial to the external acoustic meatus?

a)

pterygoid process

b)

styloid process

c)

mastoid process

d)

hamulus

52.

Which is the floating bone that has cornu?

a)

mandible

b)

atlas

c)

axis

d)

hyoid

53.

Which vertebrae has dens?

a)

axis

b)

atlas

c)

occipital condyle

d)

foramen magnum

54.

Which part of the temporal bone is involved in the TMJ?

a)

squamous

b)

tympanic

c)

petrous

d)

mastoid

55.

Which bone forms both middle and superior conchae?

a)

sphenoid

b)

ethmoid

c)

maxillae

d)

temporal

56.

On the medial portion of the ramus near the lingula is an opening, what is it?

a)

mental foramen

b)

foramen magnum

c)

foramen spinosum

d)

mandibular foramen

57.

Which part of the temporal bone is the external acoustic meatus?

a)

squamous

b)

petrous

c)

tympanic

d)

articular

58.

Which of the following bony plates are perforated to allow passage of the olfactory nerves for the sense of smell?

a)

medial plate of the sphenoid bone

b)

cribiform plate of the ethmoid bone

c)

cribiform plate of the sphenoid bone

d)

medial plate of the ethmoid bone

59.

There are 3 parts of the temporal bone that articulates with the condyle of the mandible. What are they?

a)

articular eminence

b)

mandibular fossa

c)

coronoid process

d)

postglenoid process

60.

The occipital condyles are locates_________ and _______ to the foramen magnum

a)

medial, anterior

b)

lateral, anterior

c)

medial, posterior

d)

lateral, posterior

61.

Which region is the tragus located?

a)

frontal region

b)

nasal region

c)

auricular region

d)

submandibular region

62.

Which of the following bony landmarks form an articulation with each other?

a)

occipital condyles and atlas

b)

occipital condyles and axis

c)

mandibular fossa with coronoid notch

d)

mandibular fossa with coronoid process

63.

which bone is the first verterae?

a)

axis

b)

atlas

c)

foramen magnum

d)

occipital condyle

64.

Which list is in order of location from the MOST anterior structure to the MOST posterior structure as found within the TMJ?

a)

Articular fossa, postglenoid process, articular eminence

b)

Condyle, coronoid process, mandibular notch

c)

Articular eminence, articular fossa, postglenoid process

d)

Coronoid process, condyle, mandibular notch

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