Problem: A nurse is assigned to teach clients sexually transmitted disease (STD) prevention information. The nurse updates her teaching plan to incorporate new guidelines from the Centers from Disease Control and Prevention (CDC). She includes which of the following as updated information during her next teaching session? Looking for Assignment Help? Question Answer Condoms should not be used during oral sex, because they are not effective in preventing transmission of infection. Condoms can be effective in preventing infections transmitted by fluids from mucosal surfaces but are not always effective in preventing infections transmitted by skin-to-skin contact. When genital ulcers are present, condoms should be used to prevent the spread of infection. Always use spermicides with condoms to reduce the risk of contracting Chlamydia