While walking to log 10,000 steps for the day, Gerry accidently steps on a piece of broken glass, resulting in an injured foot. What causes Gerry to immediately lift the injured foot in response to the cut from the piece of broken glass?
A) Sensory neurons relay information directly to the spinal cord and motor neurons in the spinal cord send information to muscles in the foot.
B) Sensory neurons relay information directly to the brain and motor neurons in the brain send information to muscles in the foot.
C) Motor neurons relay information directly to the spinal cord and sensory neurons in the spinal cord send information to muscles in the foot.
D) Motor neurons relay information directly to the brain and sensory neurons in the brain send information to muscles in the foot.

Question

Quizplus · Accepted Answer

Sensory neurons relay the pain signal from the foot to the spinal cord, where an immediate reflex action is initiated, sending signals through motor neurons to the muscles in the foot to lift it away from the source of pain. This is a spinal reflex that bypasses the brain for a faster response.

While Walking to Log 10,000 Steps for the Day, Gerry