Intrinsic and Extrinsic Movements of the Tongue are Controlled by the ________

Question

Intrinsic and extrinsic movements of the tongue are controlled by the ________ cranial nerves.
A) vagus
B) hypoglossal
C) facial
D) accessory
E) trochlear

Accepted Answer

The hypoglossal cranial nerve (12th) is responsible for intrinsic and extrinsic movements of the tongue, including protrusion, retraction, elevation, and depression. The vagus (10th), facial (7th), accessory (11th), and trochlear (4th) cranial nerves control other functions such as swallowing, facial expressions, neck movements, and eye movements.