Final answer:
The procedure named for suspending the bladder neck to the symphysis pubis to correct urinary stress incontinence is the Marshall-Marchetti-Krantz suspension. An IUD is the most effective reversible contraception. Proper diagnosis in vaginitis is essential for appropriate treatment.
Step-by-step explanation:
The procedure of suspending the bladder neck to the symphysis pubis to correct urinary stress incontinence is called Marshall-Marchetti-Krantz suspension. Consequently, the correct answer to the question is A) Marshall-Marchetti-Krantz suspension. In the context of contraception, the most effective and reversible method is the intrauterine device (IUD), making option C the correct answer. A diaphragm, meant for the second question, is placed over the cervix and acts as a barrier to sperm, therefore helping in preventing pregnancy. Considering the physiology question about testes, they are located outside the body in the scrotum to maintain a temperature slightly lower than body temperature, which is necessary for normal sperm production and maturation. Lastly, proper diagnosis of the causative agent in vaginitis is critical to provide the correct treatment and avoid unnecessary complications.