Final answer:
The correct answer is d. All of the above. Servers can use alternative methods such as wiping hands with a moist bar towel, wiping hands with a clean paper napkin, or using a health department-approved sanitizer when a hand-washing sink is not available.
Step-by-step explanation:
The correct answer is d. All of the above. When a hand-washing sink is not available, servers can use alternative methods to ensure their hands are clean. Wiping hands with a moist bar towel or a clean paper napkin can help remove dirt and some microorganisms. In addition, the use of a health department-approved sanitizer can help kill harmful bacteria and viruses. It is important for servers to maintain proper hand hygiene to prevent the spread of pathogens.