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Anatomy final exam > Struggling with > Flashcards

Struggling with Flashcards

1
Q

The neurocranium contains

A
  1. brain
  2. meninges
  3. vasculature
  4. cranial nerves
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2
Q

what are the 3 singular visocranium bones

A

mandible, vomer, ethmoid

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3
Q

sphenoid bone articulates with…

A

frontal
temporal
occipital
ethmoid
zygomatic
parietal
palatine
vomer

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4
Q

bones contributing to the orbit

A

frontal
palatine
ethmoid
lacrimal
sphenoid
maxilla
zygomatic

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5
Q

location of common tendinous ring

A

covers optic canal and portion of superior orbital fissure

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6
Q

what muscle elevates the superior eyelid (SPELLING COUNTS)

A

levator palpebrae superioris

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7
Q

Inferior oblique origin

A

orbital surface of maxilla

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8
Q

levator palpebrae superioris origin

A

lesser wing of sphenoid bone

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9
Q

temporal fossa location

A

depressed area on the side of the head. superior to the infratemporal fossa and starts at inferior temporal line

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10
Q

aspects making up the infratemporal fossa

A

ramus of mandible
maxilla
lateral pterygoid plate
inferior surface of greater wing and squamus portion
mastoid and styloid processes

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11
Q

lateral pterygoid muscle (superior head) origin

A

greater wing of sphenoid bone

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12
Q

lateral pterygoid muscles acting together allow for

A

protrusion of the mandible

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13
Q

action of temporalis

A

elevate and retract

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14
Q

medial pterygoid Ms. superficial head origin

A

tuberosity of maxilla

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15
Q

lateral sulcus is the

A

inferior to parietal and frontal to partially devide from temporal and occipital

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16
Q

the central sulcus is

A

seperates the frontal and parietal lobes

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17
Q

longitudinal cerebral fissure

A

separates the brain into 2 hemispheres

18
Q

how does the brainstem occupy the cranial fossas

A

midbrain lies in junction of middle and posterior cranial fossas
the pons is in the anterior portion of the posterior cranial fossa

19
Q

explain how the nasal cavity is separated

A

1/3 = olfactory area
2/3 = respiratory area

20
Q

what is the olfactory nerve in contact with

A

the inferior/orbital surface of the frontal lobe

21
Q

where does cranial nerve III emerge from

A

oculomotor emerges from the midbrain

22
Q

what are the 2 intra ocular muscles

A

sphincter pupillae muscle
ciliary muscle

23
Q

what type of information does the oculomotor carry

A

parasympathetic to the sphincter pupillae

24
Q

where does cranial nerve IV emerge from

A

posterior surface of midbrain

25
Q

where does cranial nerve VI emerge from

A

brain stem between pons and medulla

26
Q

2 purposes of cranial nerve V and what each does/gives

A

sensory = face, oral, nasal, sinus mucosa, teeth and tongue
motor = muscles of mastication and 4 accessory muscles

27
Q

where does cranial nerve V emerge from

A

lateral aspect of pons

28
Q

2 layers of dura mater

A

periosteal and meningeal

29
Q

what are the arachnoid granulations

A

outward bulges of dura mater (transfers CSF to venous system) since its arachnoid matter that protrudes through the meningeal layer into the dural sinus

30
Q

where do the internal carotid arteries arise from

A

common carotid arteries and pass through the external opening of the carotid canal and internal opening within the petrous portion of the temporal bone

31
Q

from inferior to superior the ICA path/divisions

A

cervical to petrous to cavernous then the ICA becomes intra dural as the cerebral

32
Q

what do vertebral arteries arise from

A

subclavian arteries that passthrough C1-C6 transverse foramen to enter the cranium via the forman magnum

33
Q

CN V3 gets sensation from

A
  • mucosa of mouth
  • skin over mandible
  • 2/3 of tongue
  • mandibular teeth
  • side of head
    -tempromandibular joint
  • lower lip
34
Q

what is the branch off V3 that goes in the opposite direction

A

auriculotemporal nerve

35
Q

what nerve travels through the mandibular and mental foramen

A

infra alveolar nerve

36
Q

what does V1 get sensation from

A

forehead
superior eyelid
muscosa of nasal cavity and sinuses
nose
scalp
cornea

37
Q

what does V2 get sensation from

A

inferior eyelid
maxillary teeth
skin over maxilla
upper lip
palate
muscosa of nose
maxillary sinuses

38
Q

what branches off the anterior ethmoidal nerve

A

external nasal nerve

39
Q

what does the infraorbital nerve travel through

A

first the infra orbital fissure
the the infra orbital groove and canal
then finally the infra orbital foramen

40
Q
A

Anatomy final exam (7 decks)

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