Unit 1 - Cranial Nerve Overview Flashcards

1
Q

Olfactory - type?

A

Special sensory

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2
Q

Olfactory - fibers in the olfactory mucosa traverse the ________ and synapse on the ______.

A

cribriform plate, olfactory bulb

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3
Q

Optic - type?

A

Special sensory

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4
Q

Optic - fibers from the ______ converge on the _______ and are carried in the ________, ____, and tract to the __________?

A

retina, optic disc, optic nerve, chasm,

lateral geniculate body

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5
Q

Do all nerves cross over in the optic chiasma?

A

no

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6
Q

Oculomotor - type?

A

Motor; somatic and parasympathetic

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7
Q

Oculomotor supplies?

A

5 somatic muscles and

2 visceral muscles

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8
Q

Trochlear - type?

A

Somatic motor

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9
Q

Which is the smallest cranial nerve?

A

trochlear- CN IV

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10
Q

Trochlear (CN-IV) supplies which muscle?

A

Superior oblique

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11
Q

Which cranial nerve is on posterior side of brain stem and fibers cross over?

A

Trochlear

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12
Q

What is the function of the superior oblique muscle?

A

Turns eyes down and out

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13
Q

Trigeminal - type?

A

Mixed; somatic motor and sensory

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14
Q

Which is the “Great Sensory Nerve of the Face”?

A

Trigeminal

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15
Q

Trigeminal sensory areas include?

A

orbit, nasal cavity and paranasal sinuses, oral cavity, ear, internal skull

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16
Q

Which is the largest cranial nerve?

A

trigeminal

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17
Q

Which cranial nerves is supply to the muscles of mastication?

A

Trigeminal

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18
Q

Abducens - type?

A

Somatic motor

19
Q

The abducens cranial nerve supplies which muscle?

A

Lateral rectus

20
Q

Facial nerve - type?

A

Mixed:
Motor - somatic and parasympathetic
Sensory - somatic and special

21
Q

What is the “Nerve of Facial Expression”?

A

Facial Nerve

22
Q

Which cranial nerve carries taste information from the anterior 2/3 of the tongue?

A

Facial nerve

23
Q

The facial nerve supplies which muscles?

A

Muscles of facial expression including

stylohyoid and stapedius

24
Q

The facial nerve supplies which glands?

A

lacrimal and salivary

25
Q

Vestibularcoclear - type?

A

Special sensory

26
Q

Vestibularcochlear gets sensory information from where?

A

Cochlear and vestibule

27
Q

Glossopharyngeal - type?

A

Mixed:
Motor: brachiomotor and parasympathetic
Sensory: somatic, special, and visceral

28
Q

Glossopharyngeal carries taste information from where?

A

Posterior 1/3 of the tongue

29
Q

Glossopharyngeal is motor supply to what?

A

stylopharyngeus

30
Q

Glossopharyngeal has parasympathetic supply to what?

A

the parotid gland

31
Q

What is the longest of cranial nerves?

A

vagus

32
Q

Vague has motor supply to which particular muscles?

A

pharyngeal constrictors

33
Q

Vagus - type?

A

Mixed
Motor: brachiomotor and parasympathetic
Sensory: somatic, special, and visceral

34
Q

Vagus has parasympathetic supply to where?

A

Bronchi, heart, GI tract from esophagus to distal 1/3 of the transverse colon.

35
Q

The accessory nerve contains 2 parts. What are they?

A

Cranial and spinal parts

36
Q

Accessory nerve - type?

A

motor

37
Q

What does the accessory nerve supply?

A

Muscles of the pharynx, larynx, and palate (cranial part) and the trapezius and SCM (spinal part)

38
Q

Hypoglossal - type?

A

Motor

39
Q

What does the hypoglossal nerve supply?

A

Supplies intrinsic and extrinsic muscles of the tongue

40
Q

Which cranial nerves are special sensory only?

A

Olfactory, optic, and vestibular cochlear

41
Q

Which cranial nerves are motor only?

A

Trochlear, Oculomotor, Abducens, Accessory, and Hypoglossal

42
Q

Which cranial nerves are mixed?

A

Trigeminal, facial, Glossopharyngeal, vagus

43
Q

Which cranial nerves have parasympathetic motor?

A

oculomotor, facial, Glossopharyngeal, vagus