Which of the following is not a predisposing factors to cystitis in females?
a. the proximity of the anus to the urethra
b. poor personal hygiene sexual intercourse
c. the length of the urethra
d. none of the answers is correct;
e. all of these are predisposing factors.

The correct answer is D.

Explanation:

Cystitis is a condition that is basically the inflammation of the bladder which is generally caused by a bacterial infection. It is also known as UTI

Predisposing factors are the conditions or factors that increase the risk of developing this condition that includes, poor hygiene sexual intercourse, proximity to the anus and length of urethra.

Thus, the correct answer is option D.