<prompt> In stretch reflex, the stimulus isChange in muscle lengthChange in muscle tensionPain in muscleCessation of blood supply  <response>: The stretch reflex myotatic reflex is a muscle contraction in response to stretching within the muscle. It is a monosynaptic reflex which provides automatic regulation of skeletal muscle length.Ref: Ganong;s review of medical physiology 23rd edition Page no: 158 