How long should hands/arms be scrubbed during the hand-washing process?

• A. 5-10 Seconds
• B. 10-15 Seconds
• C. 15-20 Seconds
• D. 20-30 Seconds

Answer: (B)

The recommended duration for scrubbing hands and arms during the hand-washing process is 10-15 seconds. This amount of time is crucial for effectively removing dirt, bacteria, and viruses from the skin surfaces. When hands are scrubbed thoroughly for this duration, it ensures that all areas, including under the nails and between the fingers, are cleaned properly.

Using soap and warm water during this period aids in the emulsification of oils and contaminants, allowing for better removal. Additionally, this timeframe aligns with guidelines from public health organizations, which highlight that thorough hand washing is a key factor in preventing the spread of foodborne illnesses and other infections.

Inadequate scrubbing within a shorter timeframe may not ensure complete sanitation, while scrubbing for longer than 15 seconds doesn't significantly increase the effectiveness in most situations, making the 10-15 seconds the most appropriate choice.