CN11

Question 0

What will branchial efferent fibers from the cranial root of cranial nerve 11 innervate?

Answer 0

Intrinsic skeletal muscles of the larynx.

Question 1

The cranial root of the eleventh cranial nerve is annexed by which nerve?

Answer 1

The vagus nerve.

Question 2

What location gives rise to the spinal root of the eleventh cranial nerve?

Answer 2

Spinal nucleus formed from the ventral horn of the spinal cord levels C1-C5.

Question 3

What is unique about the eleventh cranial nerve?

Answer 3

It is the only cranial nerve to originate, in part, from the spinal cord and it is the only cranial nerve to be associated with the foramen magnum.

Question 4

What will branchial efferent fibers in the spinal root of cranial nerve 11 innervate?

Answer 4

Sternocleidomastoideus and trapezius muscles.