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Unit III Cranial Nerves > Origin and Foramen > Flashcards

Origin and Foramen Flashcards

1
Q

Olfactory sensory nerve cell bodies are located in the ______.

A

olfactory epithelium/mucosa

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2
Q

The olfactory nerve (I) passes through the ________.

A

cribriform plate

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3
Q

Sensory neurons carrying smell information from the nasal mucosa synapse in the ________. The information is then carried to the brain along the _________ and delivered to multiple cortical regions including the _________.

A

olfactory bulb, olfactory tract, medial temporal lobe

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4
Q

The olfactory nerve is the _______ cranial nerve.

A

1st

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5
Q

Sensory nerve bodies associated w/ the olfactory nerve (I) are located w/in the __________.

A

olfactory epithelium

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6
Q

Information regarding the R visual field is processed on which side of the brain.

A

left

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7
Q

Information from the optic nerves (II) travels first down the optic ___________, may cross the optic _______,THEN down the optic _________ to the _________ or _________.

A

canal, chiasm/sulcus chiasmatism, tract, midbrain nuclei or lateral geniculate body

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8
Q

The medial portion of the retina is known as the ______.

A

nasal retina

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9
Q

The lateral portion of the retina is known as the _______.

A

temporal retina

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10
Q

These four nerves pass through the superior orbital fissure.

A

oculomotor (III), trochlear (IV), opthalmic (V1), abducens (VI)

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11
Q

The _______ nerve passes through the foramen rotundum.

A

maxillary (V2)

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12
Q

The ________ nerve passes through the foramen ovale.

A

mandibular (V3)

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13
Q

The ________ and _________ nerves pass through the internal acoustic meatus.

A

facial (VII) and vestibulocochlear (VIII)

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14
Q

The _____ nerve passes through the optic canal.

A

Optic (II)

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15
Q

These three nerves pass through the jugular foramen.

A

glossopharyngeal (IX), vagus (X), spinal accessory (XI)

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16
Q

The _______ nerve passes through the hypoglossal canal.

A

hypoglossal (XII)

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17
Q

The vagus nerve (X) passes through the _________.

A

jugular foramen

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18
Q

These three branches of the vagus nerve (X) contain motor axons.

A

pharyngeal, external laryngeal, and recurrent laryngeal

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19
Q

These three branches of the vagus nerve (X) contain preganglionic parasympathetic axons.

A

internal laryngeal, recurrent laryngeal, and the vagal trunk

20
Q

Motor axons in the vagus nerve (X) have their cell bodies in the __________ of the __________.

A

nucleus ambiguus of the medulla

21
Q

Preganglionic parasympathetic nerves in the vagus nerve (X) arise from the _________ of the _________.

A

dorsal motor nucleus of the medulla

22
Q

The zygomatic branch of the maxillary nerve (V2) passes through the _________ fissure.

A

inferior orbital fissure

23
Q

The anterior superior alveolar and medial superior alveolar nerves branch from the maxillary nerve (V2) while traversing the ____________.

A

infraorbital groove/canal

24
Q

These three nerve branches of the maxillary nerve (V2) pass through the sphenopalatine foramen.

A

lateral posterior superior nasal, medial posterior superior nasal, and nasopalatine

25
Q

The posterior superior alveolar nerve is the only branch of the maxillary nerve (V2) to pass through this fissure.

A

pterygomaxillary fissure

26
Q

POSTganglionic parasympathetic innervation to branches of the maxillary nerve (V2) arises from what structure.

A

pterygopalatine ganglion

27
Q

The nasopalatine branch of the maxillary nerve (V2) branches from the _____________ nerve and passes through the __________ before innervating the mucosa and hard palate.

A

medial posterior superior nasal, incisive fossa

28
Q

Motor neurons supplying the glossopharyngeal nerve (IX) arise from the ______ of the ________ and are present in only one branch, the __________.

A

nucleus ambiguus, medulla, nerve to the stylopharyngeus

29
Q

PREganglionic PARAsympathetic neurons present in the glossopharyngeal nerve (IX) arise from the ___________ and can be found in the ______ nerve branch before it turns into the _________.

A

inferior salivatory nucleus, tympanic, lesser petrosal nerve

30
Q

The only branch of the glossopharyngeal nerve receiving taste innervation is the ________, responsible for this portion of the tongue: ______.

A

lingual branch, posterior 1/3

31
Q

The facial nerve is the ____ cranial nerve.

A

seventh

32
Q

PREganglionic PARAsympathetic innervation of the facial nerve (VII) arises from the ____________ of the _____.

A

superior salivatory nucleus, pons

33
Q

Motor neurons of the facial nerve (VII) arise from the ________ of the _______.

A

facial motor nucleus, pons

34
Q

Taste neurons of the facial nerve (VII) have their cell bodies w/in the ________.

A

geniculate ganglion

35
Q

The chorda tympani nerve passes through this portion of the temporal bone. It is a branch of the _____ nerve (VII)

A

petrotympanic fissure, facial

36
Q

All motor branches of the facial nerve (VII) except the nerve to stapedius pass through the ________.

A

stylomastoid foramen

37
Q

The facial nerve, after exiting the _______, and prior to any branching, passes through the _________.

A

pons, internal auditory meatus

38
Q

The _______ of the _________ supplies motor neurons to the vagus nerve (X).

A

nucleus ambiguus, medulla

39
Q

The ____________ supplies PREganglionic PARAsympathetic neurons to the vagus nerve (X). It is located in the _________.

A

dorsal motor nucleus, medulla

40
Q

Motor axons can be found in these THREE branches of the vagus nerve (X).

A

pharyngeal, external laryngeal, and recurrent laryngeal

41
Q

These TWO branches of the vagus nerve (X) contain only general sensory neurons.

A

auricular and carotid

42
Q

These THREE branches of the vagus nerve contain PREganglionic PARAsympathetic neurons.

A

internal laryngeal, recurrent laryngeal, and the vagal trunk

43
Q

The accessory nerve (XI) is composed solely of ______ neurons from spinal nerve levels ___-____.

A

motor, C1-C5

44
Q

The accessory nerve (XI) provides motor innervation to these two muscles.

A

sternocleidomastoid and trapezius

45
Q

The cell bodies of all POSTganglionic sympathetic neurons supplying the head are located in the _______.

A

superior cervical ganglion

46
Q

This branch of the opthalmic nerve (V1) does not contain POSTganglionic sympathetic neurons.

A

They all do, ya dummy.

Unit III Cranial Nerves (1 decks)

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