When the Bladder Wall Is Distended as a Result of Urine

question 114

Multiple Choice

When the bladder wall is distended as a result of urine accumulation, the stretch receptors are stimulated and send afferent impulses to the spinal cord. Which of the following statements does NOT describe the afferent impulses?

• A)They stimulate parasympathetic nerves, which return to the bladder and cause it to contract.
• B)They inhibit the motor neurons that normally keep the external urethral sphincter closed.
• C) They stimulate nerves that go to the kidney and prevent glomerular filtration until the bladder is empty.
• D) They stimulate parasympathetic nerves, and cause the internal urethral sphincter to mechanically open.

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