Question

a nerve composed of fibers that carry impulses from the sense organs to the brain is called a(n) ______ nerve
options: afferent, efferent, mixed, busy

Explanation:

Afferent nerves (sensory nerves) carry impulses from sense organs to the brain. Efferent nerves carry signals from the brain to effectors. Mixed nerves have both, and "busy" is irrelevant. So the correct term is afferent.

Answer:

A. afferent