PATHOLOGY MCQ
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The flow of urine from the bladder is controlled by the-
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urinary meatus
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urethral meatus
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urinary sphincters
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urinary strictures
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Explanation:
Detailed explanation-1: -The internal urethral sphincter regulates involuntary control of urine flow from the bladder to the urethra, and the external urethral sphincter provides voluntary control of urine flow from the bladder to the urethra.
Detailed explanation-2: -Smooth muscle stretch initiates the micturition reflex by activating stretch receptors in the bladder wall. This autonomic reflex causes the detrusor muscle to contract and the internal urethral sphincter muscle to relax, allowing urine to flow into the urethra.
There is 1 question to complete.