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Head & Neck Anatomy (Palade Version) > Lec 2 Cranial Foramen > Flashcards

Lec 2 Cranial Foramen Flashcards

(62 cards)

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1
Q

What cranial nerve is I?

A

olfactory (1)

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2
Q

What cranial nerve is II?

A

optic (2)

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3
Q

What cranial nerve is III?

A

oculomotor (3)

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4
Q

What cranial nerve is IV?

A

trochlear (4)

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5
Q

What cranial nerve is V?

A

trigeminal (5)

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6
Q

What cranial nerve is VI?

A

Abducent (6)

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7
Q

What cranial nerve is VII?

A

Facial (7)

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8
Q

What cranial nerve is VIII?

A

Vestibulocochlear (8)

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9
Q

What cranial nerve is IX?

A

Glossopharyngeal (9)

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10
Q

What cranial nerve is X?

A

vagus (10)

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11
Q

What cranial nerve is XI?

A

spinal accessory (11)

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12
Q

What cranial nerve is XII?

A

hypoglossal (12)

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13
Q

What type of fibers are in the olfactory nerve (I)?

A

special sensory

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14
Q

What type of fibers are in the optic nerve (II)?

A

special sensory

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15
Q

What type of fibers are in the oculomotor nerve (III)?

A

motor

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16
Q

What type of fibers are in the trochlear nerve (IV)?

A

motor

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17
Q

What type of fibers are in the trigeminal nerve (V)?

A

mixed (motor root and sensory root)

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18
Q

What type of fibers are in the abduent (VI)?

A

motor

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19
Q

What type of fibers are in the facial nerve (VII)?

A

mixed (primary root is motor and intermediate root is mixed)

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20
Q

What type of fibers are in the vestibulocochlear nerve (VIII)?

A

special sensory

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21
Q

What type of fibers are in the glossopharyngeal (IX)?

A

mixed

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22
Q

What type of fibers are in the vagus (X)?

A

mixed

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23
Q

What type of fibers are in the spinal accessory nerve (XI)?

A

motor

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24
Q

What type of fibers are in the hypoglossal nerve (XII)?

A

motor

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25
What is the function of CN I?
sensory: smell (olfactory nerve)
26
What is the function of CN II?
sensory: vision (optic nerve)
27
What is the function of the CN III?
motor: ciliary muscles, sphinter pupillae, all extrinsic muscles of th eye except a few (oculomotor nerve)
28
What is the function of CN IV?
motor: superior oblique muscle of eye (trochlear)
29
What is the function of CN V?
sensory: face; oral, nasal, and sinus mucosa; teeth; anterior 2/3 of tongue motor: muscles of mastication +4 other muscles (trigeminal)
30
What is the function of CN VI?
motor: lateral rectus muscle of eye (abducent)
31
What is the function of CN VII?
Motor: submandibular, sublingual, lacrimal, nasal, and palatine glands Sensory: taste from anterior 2/3 of tongue, soft palate (Facial)
32
What is the function of CN VIII?
vestibular Sensory: equilibrium, motion cochlear Sensory: hearing (Vestibulocochlear)
33
What is the function of CN IX
Motor: stylopharyngeus, parotid gland Sensory: taste from posterior 1/3 of tongue; general sensation pharynx, tonsillar, sinus, pharyngotymphanic tube middle ear cavity (Glossopharyngeal)
34
What is the function of CN X?
Motor: palate, pharynx, larynx, trachea, bronchial tree, heart, GI tract Sensory: pharynx, larynx; reflex sensory from trachiobronchial tree, lungs, heart, GI tract (Vagus)
35
What is the function of CN XI?
Motor: sternocleidomastoid and trapezius (spinal accessory)
36
What is the function of CN XII?
Motor: all intrinsic and extrinsic msucles of tongue (hypoglossal)
37
What is the general distribution of the olfactory nerve (I)?
olfactory mucosa of nose
38
What is the general distribution of the optic nerve (II)?
retina of eye
39
What is the general distribution of the oculomotor (III)?
intra-ocular and four extra-ocular muscles
40
What is the general distribution of the trochlear nerve (IV)?
one extra-ocular muscle (superior oblique)
41
What is the general distribution of the trigeminal nerve (V)?
derivatives of the frontonasal process and 1st pharyngeal arch
42
What is the general distribution of the abducent (VI)?
one extra-ocular muscle
43
What is the general distribution of the facial nerve (VII)?
derivatives of 2nd pharyngeal arch
44
What is the general distribution of the vestibulocochlear nerve (VIII)?
internal ear
45
What is the general distribution of the glossopharyngeal nerve (IX)?
derivatives of 3rd pharyngeal arch
46
What is the general distribution of the vaugs nerve (X)?
derivatives of 4th pharyngeal arch
47
What is the general distribution of the spinal accessory nerve (XI)?
superficial layer of neck
48
What is the general distribution of the hypoglossal nerve (XII)?
muscles of tongue
49
Which foramen is posterior and lateral to foramen ovale?
foramen spinosum
50
Which foramen can disappear and go away and if not it can grow growths?
foramen cecum
51
What spot of lesion can affect the CN I?
fracture of cribiform plate
52
What spot of lesion can affect the CN II?
- direct trauma to orbit or eyeball; fracture involving opic canal - pressure on optic pathway; laceration or intracerebral clot in temporal, parietal, or occipital lobes of brain
53
What spot of lesion can affect the CN III?
pressure from herniating uncus on nerve; fracture involving cavernous sinus; aneurysms
54
What spot of lesion can affect the CN IV?
stretching of nerve during its course around brainstem; fracture of orbit
55
What spot of lesion can affect the CN V?
injury to terminal branches in roof of maxillary sinus; pathological processes affecting trigeminal ganglion
56
What spot of lesion can affect the CN VI?
base of brain or fracture involving cavernous sinus or orbit
57
What spot of lesion can affect the CN VII?
- laceration or contusion in partoid region - fracture of temporal bone - intracranial hematoma
58
What spot of lesion can affect CN VIII?
tumor of nerve
59
What spot of lesion can affect CN IX?
brainstem lesion or deep laceration of neck
60
What spot of lesion can affect CN X?
brainstem lesio of deep laceration of neck
61
What spot of lesion can affect CN XI?
laceration of neck
62
What spot of lesion can affect CN XII?
neck laceration; fractures of cranial base

Head & Neck Anatomy (Palade Version) (17 decks)

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