Which of the following processes is most likely to occur as a result of a spinal reflex?
A) Peristalsis of the small and large bowel
B) Control of oculomotor function in changing light levels
C) Pain sensation from a potentially damaging knee movement
D) Withdrawal of a hand from a hot stove element
Ans: D
Feedback:
A reflex is a highly predictable relationship between a stimulus and an elicited motor response. The withdrawal reflex is stimulated by a painful (nociceptive) stimulus and quickly moves the body part away from the offending stimulus, usually by flexing a limb part. Peristalsis, oculomotor function, and pain are not mediated by spinal reflexes.
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