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MRT > ANATOMY FINAL EXAM - SKULL / FACIAL > Flashcards

ANATOMY FINAL EXAM - SKULL / FACIAL Flashcards

1
Q

List the facial bones

A

maxillary, mandible (1), lacrimal, vomer (1), inferior nasal conchae, zygomatic, palatine, nasal

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2
Q

Where’s your naison

A

nasal bone

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3
Q

When doing lateral – include what for nasal bone?

A

Anterior nasal spine

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4
Q

Space between nose and mouth

A

Acanthion (soft tissue)

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5
Q

Smallest facial bone

A

lacrimal

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6
Q

What facial bone articulates with every other facial bone except mandible

A

Maxillary (also articulates with frontal and ethmoid skull bones)

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7
Q

Palatine process of the maxillary forms _____ of the hard palate

A

3/4

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8
Q

What does the hard palate separate?

A

the nasal cavity from the oral cavity

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9
Q

What doe the hyoid bone suspend from?

A

the styloid processes of the temporal bones

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10
Q

What does the hyoid bone articulate with?

A

no other bone

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11
Q

Purpose of hyoid?

A

supports the tongue

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12
Q

Hyoid bone is located between what?

A

mandible and larynx

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13
Q

Thickest bone in the skull?

A

petrous ridges

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14
Q

List the sinuses

A

frontal, ethmoid, sphenoid, and maxillary

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15
Q

Paranasal sinus purposes:

A

Chamber for voice, decreases skull weight, warms/moistens inhaled air, act as shock absorbers

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16
Q

What sinus varies in size / shape?

A

frontal

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17
Q

Most posterior sinus?

A

sphenoid

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18
Q

How far up when imaging frontal sinuses?

A

Hairline (coronal suture)

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19
Q

How posterior on a lateral image of the sphenoid sinus?

A

to the EAM

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20
Q

Largest paranasal sinus?

A

Maxillary

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21
Q

How far lateral and inferior for imaging maxillary sinuses?

A

Lateral edges of the orbits, and inferior - top of teeth

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22
Q

What colour should maxillary sinuses be in image? and what does it mean if they aren’t this colour?

A

black - if they’re not, likely means fluid / infection

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23
Q

Landmark: c1

A

mastoid tip

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24
Q

nasal bone articulations

A

other nasal bone, maxillary, frontal bone, perpendicular plate of ethmoid

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25
Q

Maxillae processes

A

Frontal process, zygomatic process, alveolar process, and palatine process “of maxilla”

26
Q

What happens if the palatine process isnt fused together?

A

surgery (important for sucking)

27
Q

What forms the other 1/4 of the hard palate?

A

palatine bone

28
Q

Foramen located in the palatine process?

A

incisive foramen

29
Q

What facial bone forms the cheek?

A

the zygomatic bone

30
Q

What does the zygomatic facial bone articulate with?

A

Frontal, temporal, sphenoid, and maxillary

31
Q

What forms the zygomatic arch

A

The temporal process of the zygomatic bone and the zygomatic process of the temporal bone

32
Q

Location of the: orbital fissure

A

Between greater wing of sphenoid and the maxillae

33
Q

What bone is superior to the orbital fissure?

A

lesser wing of the sphenoid

34
Q

What is the infraorbital foramen?

A

Maxillary branch of trigeminal nerve

35
Q

Where does the vertical part of the palatine bone ascend from?

A

Between the maxilla and pterygoid process of sphenoid

36
Q

Nasal conchae purpose?

A

help filter air before it passes to lungs

37
Q

What does the vomer bone form?

A

Forms the inferior portion of the bony nasal septum

38
Q

What is the largest and only movable skull bone?

A

mandible

39
Q

Mandible is made up of:

A

ramus (vertical), body (horizontal), and angle (gonion)

40
Q

Landmark: C3

A

Mandible angle / gonion

41
Q

What process is located in the ramus of the mandible?

A

coronoid

41
Q

What forms the TMJ

A

The mandibular condyle articulates with mandibular notch of the zygomatic process of the temporal bone to form Temporomandibular joint (TMJ)

42
Q

Mandibular notch is located between ________

A

the mandible condyle and coronoid process

43
Q

Tip of chin is called _______

A

mental point

44
Q

What foramen is located in the mandible?

A

mental foramen

45
Q

What is the term for moving the mandibular condyle? (open mouth position)

A

Excursion

46
Q

What type of joint is the TMJ?

A

gliding / hinge

47
Q

To view the TMJ, how are images acquired?

A

with mouth open / closed

48
Q

What forms the circumference of the orbit?

A

frontal, zygomatic, maxillary

49
Q

What forms the roof of the orbit?

A

Frontal bone (orbital plates), lesser wing of sphenoid

50
Q

What forms the floor of the orbit?

A

Maxillary, zygomatic, palatine (blow out fractures occur here-bleeding/fluid into maxillary sinus)

51
Q

Medial wall of orbit consist of?

A

maxillary, ethmoid, lacrimal - thinnest part

52
Q

Lateral wall of orbit consist of?

A

frontal process of zygomatic, greater wing of sphenoid - thickest part

53
Q

Most superior frontal sinus

A

frontal

54
Q

most inferior frontal sinus

A

maxillary

55
Q

What sinus does the open mouth method show?

A

Sphenoid

56
Q

How gar back to go to get all of mandible on for lateral projection?

A

mandible

57
Q

Frontal process of maxilla articulates with:

A

nasal bone and frontal bone

58
Q

Zygomartic process articulates with

A

Zygoma

59
Q

Inferior nasal conchae location

A

inferior lateral wall of nasal cavity

60
Q

Densest part of the temporal bone

A

Petrous portion (houses inner ear structures cochlea/semi circular canals - for hearing and balance)

61
Q

Tip of the projection above acanthion

A

anterior nasal spine

MRT (12 decks)

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