Because semen swims upstream. The bladder is not located above the vagina (internally). If the ejaculation takes place in the vagina, the semen will swim up towards the cervix.
The nurse should develop an educational program to help educate the Husband on the condition his wife has while providing support so they can understand the possibilities of what the cancer does and what actions they will have to take and help her as much as they can.
C because it’s true and it really is the only one that makes sense... lest face it