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What will happen if the stretch receptors of the urinary bladder wall are totally removed?

1. Micturition will continue
2. Urine will continue to collect normally in the bladder
3. There will be no micturition
4. Urine will not collect in the bladder

Correct answer: There will be no micturition

Solution

Stretch receptors in the bladder wall provide the afferent signal that initiates the micturition reflex. If they are totally removed, the brain and spinal cord no longer receive the fullness signal, so the reflex to empty the bladder does not occur.

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