Answer: d. a type of urinary tract infection
Explanation: Infections may occur in any of the urinary system organs. Urinary tract infections (UTIs) are more prevalent in women than men due to a smaller urethra. UTIs are also more common in sexually active women. Intercourse can cause the GI tract bacteria to move around the surface of the vagina. From there, bacteria can move up to the urethra, uterus, bladder, and even kidneys causing urethritis, ureteritis, cystitis, and pyelonephritis, respectively. UTIs also occur very frequently in elderly people who are bedbound and/or have catheters in place to remove urine from the bladder... PF
