Question: In the stretch reflex, the sensory receptor in the muscle responds to stretching the muscle. The response that occurs keeps the muscle safe from injury. What is the response? Need Assignment Help? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a muscle relaxation in the same muscle as where the receptor exists b muscle contraction in the same muscle as where the receptor exists c muscle contraction in the antagonist muscle to where the receptor exists d muscle relaxation in the antagonist muscle to where the receptor exists