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ANAP 500 > TEST 4 ANATOMY OF SKULL > Flashcards

TEST 4 ANATOMY OF SKULL Flashcards

1
Q

Deals with the bones that surround the brain

A

Neurocranium

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2
Q

Skull is divided into what two “craniums”

A

Neurocranium (braincase)

Viscerocranium (face)

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3
Q

Bones that make up the face

A

Viscerocranium

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4
Q

If Bone has a left side and right Side to it = ______

A

Paired

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5
Q

If Bone is unpaired, it extends ?

A

From one side of the skull to the other (typically)

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6
Q

A total of ___ bones make up the skull

A

22 bones

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7
Q

Frontal bone is PAIRED/UNPAIRED

A

UNPAIRED

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8
Q

Parietal bone is PAIRED/UNPAIRED.

A

PAIRED

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9
Q

What are the Parietal bones separated from the frontal bone by?

A

The Coronal suture

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10
Q

Separates the Left parietal bone from the right parietal bone

A

Sagittal suture

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11
Q

The occipital bone is PAIRED/UNPAIRED.

Separated from the parietal bones with the ______ suture.

A

Occipital bone is unpaired

Separated from parietal bones by the lambdoid suture

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12
Q

Temporal bone is PAIRED/UNPAIRED.

A

PAIRED.

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13
Q

This is an air filled bone that can become infected.

A

Mastoid process

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14
Q

What type of condition could lead to hearing loss with mastoiditis?

A

Frequent ear infections

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15
Q

Where the vertebral column, C1, articulates with the skull. (How the skull sits on top of the vertebral column)

A

Occipital condyle

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16
Q

Separates the temporal bone from the other bones

A

Squamous suture

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17
Q

What exits through foramina (foramen)

A

Nerves and blood vessels

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18
Q

Where the upper teeth are inserted

A

Maxilla

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19
Q

These form the zygomatic arch

A

Zygomatic process of the temporal bone

Temporal process of the zygomatic bone

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20
Q

Where we hold jaw lift.

Why is this the best place for a jaw lift? (2 reasons)

A

Angle of the mandible

Opens airway anteriorly
Pain= stimulus for breathing

21
Q

Attachment point for the tongue and other muscles of the throat and mouth.

A

Styloid processes

22
Q

Where sound enters on its way to the ear drum

A

External acoustic meatus

23
Q

Forms the roof of the orbit

2

A

Frontal bone

Sphenoid bone

24
Q

Makes “butt chin”

A

Genu

25
Q

Forms the medial wall of the orbit (3)

A

Ethmoid bone
Lacrimal bone
Palatine bone

26
Q

Forms the floor of the orbit

A

Maxilla

27
Q

Forms the lateral aspect of the orbit (2)

A

Zygomatic bone

Sphenoid bone

28
Q

Very small bone part of the medial wall of the orbit

A

Palatine bone

29
Q

Weak point of the orbit

A

Where zygomatic bone meets the frontal bone

30
Q

Fossa where the frontal lobes sit

A

Anterior cranial fossa

31
Q

These 3 structures make up the ethmoid bone

A

Crista Galli
Olfactory foramina
Cribriform plate

32
Q

One of the attachment sites for the dura mater (outer most meningeal membrane) (in the ethmoid bone)

A

Crista galli

33
Q

What passes through the olfactory foramina?

A

Olefactory neurons; cranial nerve I

34
Q

One of the parts of the skull that is broken a lot in MVAs. Causes CSF to leak out of someone’s nose when this is broken.

A

Cribriform plate

35
Q

Has a greater wing and a lesser wing

A

Sphenoid bone

36
Q

The optic foramen are located in what wing of the sphenoid bone?
What passes through it?

A

The lesser wing

Where the ophthalmic arteries and optic pathways pass through

37
Q

Pituitary gland sits in this structure

A

Sella turcica

38
Q

What is one of the first signs/symptoms of a pituitary tumor?

A

Visual disturbances

39
Q

Where common carotid passes through to bring blood up to the brain

A

Carotid canal

40
Q

Fossa where the temporal lobes sit

A

Middle cranial fossa

41
Q

Where the most superior part of the spinal cord becomes/blends in with the brainstem

A

Foramen magnum

42
Q

Most superior part of the spinal cord is ____ which blends in with most inferior part of the brainstem, the ______

A

C1 blends with medulla

43
Q

Fossa where cerebellum sits

A

Posterior cranial fossa

44
Q

Internal jugulars pass through here bringing venous blood (deoxygenated bood) back to the heart

A

Jugular foramen

45
Q

Carotid canal:
Bone location?
Structures that pass through?

A

Temporal bone

Internal carotid
Sympathetic nerve plexus

46
Q

Jugular Foramen
Bone location?
Structures?

A

Between temporal and occipital bone

Internal jugular veins (L/R)
CN IX (glossopharyngeal)
CN X (vagus)
CN XI (spinal accessory)
47
Q

Optic Foramen
Bone location?
Structures that pass through?

A

Sphenoid bone

CN II (optic)
Ophthalmic arteries
48
Q

Olfactory foramen:
Bone location?
Structures that pass through?

A 
Ethmoid bone
CN I (olfactory)
49
Q

Foramen Magnum:
Bone location?
Structures?

A

Occipital bone

Spinal cord/inferior medulla oblongata
CN XI (spinal accessory)
Vertebral arteries

ANAP 500 (6 decks)

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