Asked by Zachary Alford on Jul 26, 2024
Verified
The ________ cranial nerve controls voice production,slowing of heartbeat,and acceleration of peristalsis.
A) glossopharyngeal
B) vagus
C) accessory
D) hypoglossal
Glossopharyngeal
Pertaining to or involving both the tongue and the pharynx, often in the context of nerves or sensations.
Vagus
Referring to the vagus nerve, the tenth cranial nerve, which innervates various organs and influences functions such as heart rate, digestive tract movement, and reflex actions.
Peristalsis
The wave-like muscle contractions that move food through the digestive tract.
- Know the anatomical and functional aspects of cranial nerves and their role in the body.
Verified Answer
AD
Amanda DomianJul 30, 2024
Final Answer :
B
Explanation :
The vagus cranial nerve controls the muscles involved in voice production, as well as slowing of the heartbeat and acceleration of peristalsis. The glossopharyngeal nerve controls taste and swallowing, the accessory nerve controls neck and shoulder movements, and the hypoglossal nerve controls tongue movements.
Learning Objectives
- Know the anatomical and functional aspects of cranial nerves and their role in the body.