Which of the following statements concerning the micturition reflex is FALSE? A full bladder: a) inhibits sympathetic nerve activity to the internal urethral sphincter, causing the internal sphincter to relax. b) All of these statements are true—none are false. c) causes a sensation of fullness that initiates a conscious desire to urinate before the micturition reflex actually occurs. d) inhibits somatic motor neurons that innervate skeletal muscle in the external urethral sphincter, causing the external sphincter to relax. e) stimulates parasympathetic nerve activity to stimulate contraction of the detrusor muscle.
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When the bladder is full, it sends signals to inhibit sympathetic nerve activity to the internal urethral sphincter, causing it to relax and allow urine to pass through. b) This statement is not false, but it does not answer the question of which statement is Show more…
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