Question

what is the correct first step in hand washing?
apply soap and lather for 10 - 15 seconds
wipe off debris with a sanitary disposable towel
rinse under cold running water
rinse hands under clean running warm water

Explanation:

The first step in proper hand - washing is to rinse hands under clean running warm water. Warm water helps to open pores and is more effective in loosening dirt and germs compared to cold water. Applying soap comes after wetting hands, and wiping off debris with a towel is not the first step.

Answer:

rinse hands under clean running warm water