Asked by Ravneet Nanda on May 08, 2024
Verified
The accessory nerve
A) has fibers that join the vagus nerve.
B) has both a cranial and a spinal component.
C) provides innervation to the trapezius and sternocleidomastoid muscles.
D) is cranial nerve XI.
E) All of the choices are correct.
Accessory Nerve
A cranial nerve that supplies the sternocleidomastoid and trapezius muscles to control swallowing, head, neck, and shoulder movements.
Cranial Component
Refers to the parts or elements that pertain to the skull or cranium, often relating to the brain or cranial nerves.
- Become familiar with the anatomical details and functionality of the cranial nerves.
- Understand the essential lobes and systems of the brain, including their functions.
Verified Answer
MS
michelle steinbergMay 15, 2024
Final Answer :
E
Explanation :
The accessory nerve indeed has fibers that join the vagus nerve, has both a cranial and a spinal component, provides innervation to the trapezius and sternocleidomastoid muscles, and is identified as cranial nerve XI.
Learning Objectives
- Become familiar with the anatomical details and functionality of the cranial nerves.
- Understand the essential lobes and systems of the brain, including their functions.