PATHOLOGY MCQ
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the collective name for the layers of muscle in the wall of the urinary bladder?
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The muscularis
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The ureteral muscles
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The detrusor muscle
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The sphincter muscles
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Explanation:
Detailed explanation-1: -The wall of the bladder is comprised of smooth muscle fibers oriented in multiple different directions. These smooth muscle fibers are collectively known as the detrusor muscle.
Detailed explanation-2: -The detrusor muscle remains relaxed to allow the bladder to store urine, and contracts during urination to release urine. Related are the urethral sphincter muscles which envelop the urethra to control the flow of urine when they contract.
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