Cranial Nerve

Question 1

Which spinal nerves connect the brain to the thoracic and abdominal viscera?

Answer 1

Vagus CN X

Spinal Accessory CN XI

Question 2

Do cranial nerves have ventral and dorsal root ganglions?

Answer 2

No. The mixed cranial nerves have merge afferent and efferent

Question 3

What nerves have VE - visceral efferent/motor

Answer 3

Occulomotor
Facial
Glossopharyngeal
Vagus

Olivia Found Green Veggies

Question 4

What nerves have special sensory?

Answer 4

Olfactory Nerve-CN I: Olfactory
Optic Nerve-CN II : Vision
Facial Nerve CN VII: Taste
Vestibulo-cochlear Nerve- CN VIII : Hearing
Glossopharyangeal Nerve- CN IX- Taste
Vagus CN X- Taste

Question 5

Oculomotor
Exits Skull
Innervates what muscles
SE/SA/VE/VA ?

Answer 5

CN III
Orbital Fissure
SE: Dorsal, Medial, Ventral Rectus, Ventral Oblique, Levator palpebrae superioris
VE: pupillary sphincter muscles, ciliary body muscles

Question 6

Trochlear Nerve

Answer 6

CN IV
Orbital Fissure
Dorsal Oblique Muscle
SE - MOTOR ONLY
Smallest of all nerves

Question 7

Which branch of the trigeminal has motor innervation?

Answer 7

Mandibular, the other two only have SA

mandibular branch has both SA and SE

Question 8

trigeminal innervates what muscles?

Answer 8

muscles of mastication such as the temporalis, masseter and digastricus

Question 9

Abducent Nerve

Answer 9

CN VI
Innervates lateral rectus and retractor bulbi muscles
Exits the skull via the orbital fissure
Motor only -SE