Once the urine reaches the bladder, the bladder acts as a valve and allows the urine to enter the bladder and prevents .....

RENAL AND ACID BASE PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Once the urine reaches the bladder, the bladder acts as a valve and allows the urine to enter the bladder and prevents ____

A	backflow
B	blood mixing
C	leakage
D	excretion

Explanation:

Detailed explanation-1: -The bladder has three openings. The two ureters enter the bladder at ureteric orifices, and the urethra enters at the trigone of the bladder. These ureteric openings have mucosal flaps in front of them that act as valves in preventing the backflow of urine into the ureters, known as vesicoureteral reflux.

Detailed explanation-2: -Once in the bladder, the ureteral valve, a mechanism that is not well understood, prevents backflow of urine to the kidney that can cause severe damage and induce end-stage renal disease.

Detailed explanation-3: -The urinary tract includes two sets of muscles that work together as a sphincter, closing off the urethra to keep urine in the bladder between your trips to the bathroom. The internal sphincter muscles of the bladder neck and urethra stay closed until your brain sends signals to urinate.

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