The vestibulocochlear nerve (VIII) is involved in which senses?

The vestibulocochlear nerve (VIII) is involved in which senses?

• A. Audition and balance
• B. Taste
• C. Tongue movement
• D. Head and neck movement

Answer: (A)

The vestibulocochlear nerve carries sensory information for hearing and balance. It is a purely sensory nerve, bringing signals from the inner ear to the brainstem. The cochlear component transduces sound waves into neural signals for audition (hearing), while the vestibular component detects head position and movement for balance and equilibrium. Taste is handled by other nerves (facial, glossopharyngeal, and vagus), tongue movement mainly by the hypoglossal nerve, and head/neck movement by the accessory nerve, so those options don’t fit as the correct sense for this nerve.

The vestibulocochlear nerve carries sensory information for hearing and balance. It is a purely sensory nerve, bringing signals from the inner ear to the brainstem. The cochlear component transduces sound waves into neural signals for audition (hearing), while the vestibular component detects head position and movement for balance and equilibrium.

Taste is handled by other nerves (facial, glossopharyngeal, and vagus), tongue movement mainly by the hypoglossal nerve, and head/neck movement by the accessory nerve, so those options don’t fit as the correct sense for this nerve.