An impulse that travels inward from a sensory fiber to the spinal cord then outward to a muscle fiber without involving the brain is called a(n)_____.
A)inhibitory potential
B)sensory-motor arc
C)excitatory potential
D)reflex arc

Question

Quizplus · Accepted Answer

This type of impulse is known as a reflex arc, which allows for a quick response to stimuli without the need for brain involvement, ensuring a rapid response to potentially harmful situations.

An Impulse That Travels Inward from a Sensory Fiber to the Spinal