CNS CRANIAL NERVE HELP (Tracts Exam)

Does the oculomotor nerve carry sensory or motor information?

motor

Does the trochlear nerve carry sensory or motor information?

motor

Does the trigeminal nerve carry sensory or motor information?

both

Does the abducens nerve carry sensory or motor information?

motor

Does the facial nerve carry sensory or motor information?

both

Does the vestibulocochlear nerve carry sensory or motor information?

sensory

Does the glossopharyngeal nerve carry sensory or motor information?

both

Does the vagus nerve carry sensory or motor information?

both

Does the spinal accessory nerve carry sensory or motor information?

motor

Does the hypoglossal nerve carry sensory or motor information?

motor

What are the nuclei of origin on the oculomotor nerve?

oculomotor nucleus

accessory oculomotor nucleus

What is the nucleus of origin for the trochlear nerve?

trochlear nucleus

What is the nucleus of origin for the trigeminal nerve?

trigeminal motor nucleus

What are the nuclei of termination of the trigeminal nerve?

Spinal nucleus of the trigeminal

Mesencephalic nucleus

Main Sensory nucleus

What is the nucleus of origin for the abducens nerve?

abducens nuclei

What are the nuclei or origin for the facial nerve?

Facial motor nucleus

Superior salivary nucleus

What are the nuclei of termination for the facial nerve?

Solitary nucleus

Spinal Trigeminal nucleus

What are the nuclei of termination for the vestibulocochlear nerve?

Vestibular nucleus

Cochlear nucleus

What are the nuclei of origin for the glossopharyngeal nerve?

Nucleus ambiguus

Inferior Salivary nucleus

What are the nuclei of termination for the glossopharyngeal nerve?

Solitary nucleus

Spinal nucleus of Trigeminal

What are the nuclei of origin for the vagus nerve?

Dorsal nucleus of vagus

Nucleus ambiguus

What are the nuclei of termination for the vagus nerve?

Solitary nucleus

Spinal nucleus of Trigeminal

What is the nucleus of origin for the spinal accessory nerve?

Accessory nucleus

What is the nucleus of origin for the hypoglossal nerve?

Hypoglossal nucleus

What are the main functions of CN 3,4,6?

movements of the eye

What muscles does oculomotor nerve influence?

muscles of upper eyelid

What muscles does the accessory oculomotor nucleus influence?

ciliaris, sphincter pupilae

What muscles does the trochlear nerve influence?

Superior oblique (1 of the 6 eye movement muscles)

What muscles does the abducens nerve influence?

Lateral rectus (1 of the 6 eye movement muscles)

What muscles does the trigeminal nerve influence?

muscles of mastication

What information does the spinal nucleus of the trigeminal carry?

pain and temperature

What information does the mesencephalic nucleus of the trigeminal carry?

proprioceptive information from muscles of mastication

What information does the main sensory nucleus of the trigeminal carry

touch and pressure

What muscles does the abducens nerve influence?

Lateral rectus (1 of the 6 eye movement muscles)

What muscles does the facial motor nucleus of the facial nerve influence?

muscles of facial expression

What muscles does the superior salivary nucleus of the facial nerve influence?

lacrima, submandibular, sublingual gland

What information does the solitary nucleus of the facial nerve carry?

Taste

What CN is the Spinal Trigeminal Nucleus associated with?

5,7,9,10

What information does the vestibular nucleus of the vestiblocochlear nerve carry?

equilibrium

What information does the cochlear nucleus of the vestiblocochlear nerve carry?

hearing

What muscles does the nucleus ambiguus innervate?

pharyngeal muscles

What muscles does the inferior Salivary nucleus innervate?

Parotoid salivar gland

What CN is the solitary nucleus associated with?

7,9,10

What muscles does the dorsal nucleus of the vagus innervate?

heart, lungs, arteries, GI, proximal 2/3 of colon

What CN is the ambiguus nucleus associated with?

9,10

What muscles does the accessory nucleus of the Spinal accessory nerve innervate?

sternocleidomastoid, traps

What muscles doe the hypoglossal nucleus innervate?

Medulla, corticobulbar neurons

What CN nuclei does the medulla oblongata associate with?

5,7,8,9,10,11,12 (NO 6)

What CN nuclei does the pons associate with?

5,6,7,8

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