Final answer:
A nurse may use a topical antiseptic or germicide for washing hands before and after caring for clients option (B). This helps reduce the number of microorganisms on their hands and minimize the risk of infection.
Step-by-step explanation:
A nurse may use a topical antiseptic or germicide for washing hands before and after caring for clients option (B). Handwashing is a crucial practice to prevent the spread of pathogens, especially those transmitted through direct skin contact or the fecal-oral route. By using a topical antiseptic or germicide, nurses can effectively reduce the number of microorganisms on their hands and minimize the risk of infection.