<prompt> The nurse is assessing the motor function of an unconscious male client. The nurse would plan to use which plan to use which of the following to test the clients peripheral response to pain?Sternal rubNail bed pressurePressure on the orbital rimSqueezing of the sternocleidomastoid muscle  <response>: Motor testing in the unconscious client can be done only by testing response to painful stimuli. Nail bed pressure tests a basic peripheral response.Options A, C, and D: Cerebral responses to pain are tested using the sternal rub, placing upward pressure on the orbital rim, or squeezing the clavicle or sternocleidomastoid muscle. 