<prompt> Efferent cremastric reflex is carried byIllio inguinal nerveGenito-femoral nerveIliohypogastric nervePudendal nerve  <response>: Ans. b Genito-femoral nerveRef: Clinically Oriented Anatomy by Keith, Moore, 5thEd,223 CREMASTERIC REFLEXEfferent: genital branch of genitofemoral nerveAfferent: Femoral branch of genitofemoral nerve Contraction of the cremaster muscle is elicited by lightly stroking the skin on the medial aspect of the superior part of the thigh with an applicator stick or tongue depressor. The ilioinguinal nerve supplies this area of skin.The rapid elevation of the testis on the same side is the cremasteric reflex. This reflex is extremely active in children A hyperactive cremasteric reflex may simulate undescended testes. 