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Neuro > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

1

A

Olfactory
Cribiform plate
Sensory - SVS
Smell

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2
Q

2

A

Optic
Optic canal
Sensory
(SSS)

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3
Q

sensory modalities

A

GSS
GVS
SSS
SVS

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4
Q

General somatic sensory (GSS)

A

general sensation from skin

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5
Q

General visceral sensory (GVS)

A

general sensation from viscera

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6
Q

Special somatic sensory (SSS)

A

senses derived from ectoderm (e.g. sight, sound, balance).

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7
Q

Special visceral sensory (SVS)

A

senses derived from endoderm (e.g. taste, smell).

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8
Q

3

A 
Oculomotor
Superior orbital fissure of sphenoid
Motor
(GSM & GVM)
GSM: 4 extrinsic eye muscles and levator palpebrae superioris.
GVM: pupillary sphincter
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9
Q

4

A 
Trochlear
Superior orbital fissure of sphenoid
Motor
(GSM)
Superior oblique
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10
Q

5 - 1ST branch

A

Trigeminal Ophthalmic
Superior orbital fissure
GSS
Scalp, forehead and nose.

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11
Q

5- 2nd branch

A

Trigeminal Maxillary
F. Rotundum of sphenoid
GSS
Cheeks, lower eye lid, nasal mucosa, upper lip, upper teeth and palate.

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12
Q

5- 3rd branch

A 
Trigeminal Mandibular
F. Ovale of sphenoid
GSS
SVM
GSS: anterior 2/3 tongue, skin over mandible and lower teeth.
SVM: muscles of mastication.
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13
Q

6

A 
Abducens
Superior orbital fissure
Motor
(GSM)
Lateral rectus
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14
Q

motor modalities

A

GSM
GVM
SVM

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15
Q

General somatic motor (GSM)

A

skeletal muscles.

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16
Q

General visceral motor (GVM

A

smooth muscles of gut and autonomic motor

17
Q

Special visceral motor (SVM)

A

muscles derived from pharyngeal arches

18
Q

6

A 
Abducens
Superior orbital fissure
Motor
(GSM)
Lateral rectus
19
Q

7

A 
Facial
Internal acoustic meatus > stylomastoid f.
GSS
SVS
SVM
GVM
GSS: sensation to part of ext. ear.
SVS: taste from ant. 2/3 tongue, hard and soft palate.

SVM: muscles of facial expression.

GVM: lacrimal, submandibular, sublingual glands and mucous glands of mouth and nose.

20
Q

8

A 
Vestibulocochlear
Internal acoustic meatus
Sensory
(SSS)
Hearing and balance
21
Q

9

A 
Glossopharyngeal
Jugular f.
GSS
GVS
SVS
GVM
SVM
GSS: post. 1/3 tongue, ext. ear, and middle ear cavity.
GVS: carotid body and sinus.

SVS: taste from post. 1/3 tongue.

GVM: parotid gland.

SVM: stylopharyngeus

22
Q

10

A 
Vagus
Jugular f.
GSS
GVS
SVS
GVM
SVM
GSS: ext. ear, larynx and pharynx.
GVS: larynx, pharynx and, thoracic & abdominal viscera.

SVS: taste from epiglottis region of tongue

GVM: smooth muscles of pharynx, larynx and most of the GIT.

SVM: most muscles of pharynx and larynx.

23
Q

11

A 
Spinal accessory	
Jugular f.
Motor
(GSM & SVM)
GSM: trapezius and sternocleidomastoid.
SVM: a few fibres run with CNX to viscera.
24
Q

12

A 
Hypoglossal
Hypoglossal canal
Motor
(GSM)
Intrinsic and extrinsic tongue muscles (except the palatoglossus).

Neuro (13 decks)

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