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Head (anatomy) > Head And Neck 2 > Flashcards

Head And Neck 2 Flashcards

1
Q

What attaches to the coronoid process of mandible

A

Temporalis muscle

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2
Q

What forms the root of the orbit

A

Frontal bone and sphenoid bone

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3
Q

What forms the roof of the orbit

A

Orbital surface of the frontal bone and lesser wing of the sphenoid bone

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4
Q

What forms the posterolateral wall of the orbit

A

Sphenoid bone

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5
Q

What forms the floor wall of the orbit

A

Maxilla

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6
Q

What form is the medial wall of the orbit

A

Lacrimal, ethmoid and palatine bone

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7
Q

What forms the lateral wall of the orbit

A

Zygomatic bone

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8
Q

What divides nasal cavity into right and left

A

Nasal septum

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9
Q

What makes up the nasal septum

A

Perpendicular plate of ethmoid bone, vomer septal cartilage.

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10
Q

What passes through the optical canal/foramen

A

Optic nerve (CN II)
Ophthalmic artery

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11
Q

Why passes through the nasolacrimal canal (aka tear duct)

A

tears from the lacrimal sac of the eye into the nasal cavity

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12
Q

What are the four paranasal sinuses

A

Frontal
Ethmoidal labyrinth
Sphenoidal
Maxillary

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13
Q

What are the function of these paranasal sinuses

A

Reduces the weight of the skull
Resonating chambers

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14
Q

Functions of the nasal concha

A

increase the surface area of these nasal cavities, thus providing for rapid warming and moistening of air in the nasal cavity and humidification of air as it passes to the lungs

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15
Q

What attaches to the crista galli of the ethmoidal bone

A

Dura mater

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16
Q

What is lateral to the crista galli and what lies within it

A

Olfactory fossa
Olfactory bulb

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17
Q

What passes through the olfactory or foramina of cribiform plate

A

Olfactory nerves CN I

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18
Q

Why houses the pituitary gland

A

Hypophyseal fossa of sella turcica of sphenoid bone

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19
Q

What passes through the foramen lacerum

A

Greater Petrosal nerve

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20
Q

What passes through the carotid canals

A

Internal carotid artery
Internal carotid nerve plexus

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21
Q

The opening where the brain attaches to the spinal cord is called

A

Foramen magnum

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22
Q

How many home of the skull do we have?
How many auditory ossicles do we have (for hearing)

A

22
6

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23
Q

Occipital condyle is site for

A

Articulation between skull and vertebrae column

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24
Q

Styloid process is site for

A

For attachment of muscle that move the tongue

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25
Q

Mandibular fossa is site for

A

For articulation wit mandibular condyle

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26
Q

Medial and lateral pterygoid plate are

A

Part of the sphenoid bone that surrounds the posterior opening Of the nasal cavities

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27
Q

Vomer is what part of the nasal septum

A

Posterior part

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28
Q

Hard palate forms what part of nasal cavity

A

Floor

29
Q

Hard palate and soft palate does what

A

Separates the nasal cavity from the oral cavity

30
Q

Neaurocranium and viscerocranium are also called

A

Braincase and fascial bone

31
Q

How many vertebrae do we have in an silt and in an embryo

A

26
34

32
Q

Curvature of vertebral in adults

A

Cervical - anterior curvature (convex)
Thoracic - posterior curvature (concave)
Lumbar - anterior curvature (convex)
Sacral and coccygeal - posterior curvature (concave)

33
Q

What is the shape of the vertebral column at birth?
What happens when the head is raised?
What happens when sitting and walking begins

A

C-shaped
Cervical curvature develops
Lumbar curvature develops

34
Q

Abnormal lumbar curvature, meaning of the following:
Lordosis
Kyphosis
Scoliosis

A

Exaggeration of lumbar curvature
Exaggeration of thoracic curvature
Lateral curvature of the spine to the left or right (often accompanied by kyphosis)

35
Q

What forms the lateral and posterior walls of vertebral foramen

A

Vertebral arch

36
Q

What forms the anterior wall of the vertebrae foramen

A

vertebral Jody

37
Q

What forms the lateral wall of vertebral foramen

A

Pedicle

38
Q

What forms the posterior wall of the vertebral foramen

A

Lamina

39
Q

What passes through the intervertebral foramen

A

Spinal nerves

40
Q

What is spina bid Isa and what vertebrae region does it affect the most

A

Failure of the laminae to form or fuse together during development.
Lumbar region.

41
Q

Functions of the intervertebral disc

A

Provides support to the verte
Prevents vertebrae from rubbing against each other

42
Q

Intervertebral disc consists of what

A

Annulus fibrosus (external)
Nucleus pulposus (internal and gelatinous)

43
Q

What is herniated or ruptured intervertebral disc

A

This is when part of the annulus fibrosus has been removed and the nucleus pulposus become exposed. This can push against the spinal nerve, impairing functioning and cause pain

Refer to slide

44
Q

What passes the transverse foramen of the cervical vertebrae

A

vertebral artery and vein in the first six vertebrae and only the vertebral vein in the seventh

45
Q

Differences between cervical, thoracic and lumbar vertebrae

A

Check slide

46
Q

Functions of the vertebral column

A

Check slide

47
Q

What allows for the YES movement of the head

A

Atlas

48
Q

What allows for the NO movement of the head

A

Axis

49
Q

How do the articulation facets of the cervical vertebrae face?

A

Superior articular facet faces superiorly
Inferior articular facet faces inferiorly

50
Q

What is the vertebral prominence

A

C7 spinous process

51
Q

Bifold spinous process of cervical vertebrae is from what to what

A

C2 to C6

52
Q

Characteristics that f cervical vertebrae

A

Check slide

53
Q

Functions of vertebral column

A

Check slide

54
Q

The superior articular facet of atlas articulates with

A

Occipital condyles

55
Q

What forms the floor of the olfactory fossae

A

Cribiform plate of ethmoid bone

56
Q

What lies within the olfactory fossa

A

Olfactory bulbt

57
Q

Function of the external acoustic meatus

A

Carries sound to the ear

58
Q

What bone contains the middle and inner ear of mastoid air cells

A

Temporal bone

59
Q

What forms the forehead, roof of the orbit and contains the frontal sinus

A

Frontal bone

60
Q

What forms the floor of middle cranial fossa

A

Greater wing of sphenoid bone

61
Q

What forms the superior border of the superior orbital fissure

A

Lesser wing of sphenoid bone

62
Q

What attaches to the external occipital protuberance

A

Nuchal ligament

63
Q

The labyrinth of the ethmoidal sinus is divided into

A

Anterior, posterior and middle ethmoidal cells

64
Q

What forms the anterior 2/3 of the hard plate

A

Palatine process of the maxilla

65
Q

What forms the posterior 1/3 of the hard plate

A

Horizontal plate of palatine bone

66
Q

What forms the lateral nasal wall

A

Vertical plate of the palatine bone

67
Q

What is the special feature of the hyoid bone

A

It’s the only bone that does not articulate with another bone.
It attaches to the skull via muscles and ligaments

68
Q

What is a special feature of the mandible

A

The only bone that is freely moveable relative to the rest of the skull bone

Head (anatomy) (19 decks)

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