A patient who suffers from chronic bladder infections could eventually develop a more serious kidney infection. Which structure is responsible for the spread of the inflammation?
A) urethra
B) physiological valve between bladder and ureter
C) external urethral sphincter
D) internal urethral sphincter

Question

Quizplus · Accepted Answer

The physiological valve between the bladder and ureter is responsible for preventing the backflow of urine from the bladder to the kidneys. If this valve fails or if bacteria overcome its defenses, an infection can ascend from the bladder to the kidneys, leading to a more serious kidney infection.

A Patient Who Suffers from Chronic Bladder Infections Could Eventually