Neuro 12: Brainstem surface and cranial nerves Flashcards by Albert Bouwer

Q

Brainstem sections top to bottom

A

Midbrain

Pons

Medulla

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Q

CN I Name and function

A

Olfactory

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Q

CN 2 Name and function

A

Optic

Vision

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Q

CN III Name and function

A

Oculomotor

Eye movements, eye opening, pupil constriction

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Q

CN IV Name and function

A

Trhoclear nerve

Eye movement down and in. SO muscle

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Q

CN V Name and function

A

Trigeminal nerve

Chewing and facial sense

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Q

CN VI Name and function

A

Abducens

Abduction of eye

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Q

CN VII Name and function

A

Facial nerve

Facial expression muscle

Taste anterior tongue

Lacrimation and salivation

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Q

CN VIII Name and function

A

Vestibulocochlear nerve

Hearing, equilibrium

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Q

CN IX Name and function

A

Glossopharyngeal

Phrayngeal muscles, patorid gland

Gag afferent

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Q

CN X Name and function

A

Vagus

Parasympathetics to everything

Laryngeal muscles, pharyngeal muscles

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Q

CN XI Name and function

A

Spinal accessory nerve

Shoulder shrug

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Q

CN XII

A

Hypoglossal nerve

Tongue movements

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Q

Cervical limit of brainstem

A

Cervico medullary junction

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Q

Rostral limit of brainstem

A

Midbrain-diancephalic junction

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Q

Superior and inferior colliculi form

A

tectum of midbrain

Q

Cerebral punduncles

A

Ventral part of midbrain that looks like pillars

Q

Olfactory nerve enters the forebrain at

A

Olfactory bulbs and tracts

Q

Optic nerve enters forebrain at

A

Lateral geniculate nucleus of thalmus

Q

CN III emerges

A

ventrally from interpeduncular fossa of midbrain

Q

CN IV emerges

A

dorsal midbrain trochlear nucleus

Q

CN V exits from

A

Ventrolateral pons

Q

Nerves exiting from superior orbital fissure

A

III, IV, VI and V1

Q

Nerve exiting foramen rotundum

A

V2 Maxillary

Q

Nerve exiting foramen ovale

A

V3 Mandibular

Q

Nerves exiting internal auditory meatus

A

VII and VIII

Q

Nerves exiting stylomastoid foramen

A

VII after it goes through auditory meatus

Q

Nerves from jugular foramen

A

IX, X, XI

Q

Hypoglossal canal nerves

A

Hypoglossal nerve

duh

Q

Visceral efferent nucleus CN III

A

Eidinger-Westphal

Q

Motor nucleus CN III

A

Occulomotor nucleus

Q

CN V Motor nucleus

A

Trigeminal motor nucleus

Q

CN VII visceral nucleus

A

Superior salivatory nucleus

Q

Inferior salivatory nucleus

A

CN IX

Q

CN I and II deficit suggests

A

Lesion at base of frontal lobes

Q

Bell’s palsy symptoms

A

Full facial paralysis

Decreased lacrimation

Retroauricular pain

Q

Unilateral hearing loss lesion must happen _______ brainstem

A

Outside of