When performing hand hygiene, which method is recommended when hands are visibly dirty?

When performing hand hygiene, which method is recommended when hands are visibly dirty?

• A. Use an alcohol-based hand sanitizer.
• B. Wash with soap and water for at least 20 seconds.
• C. Rinse with water only.
• D. Wipe with a dry cloth.

Answer: (B)

When hands are visibly dirty, washing with soap and water for at least 20 seconds is needed because the physical action of rubbing with soap loosens soil and microbes and the running water carries them away. This combination cleans all surfaces of the hands—palms, backs, between the fingers, under the nails—and removes debris that sanitizers alone can’t reliably remove. Alcohol-based sanitizers work well when hands aren’t visibly dirty, but they don’t remove heavy soil or organic material. Washing with water only or wiping with a dry cloth won’t effectively reduce microbial load.

When hands are visibly dirty, washing with soap and water for at least 20 seconds is needed because the physical action of rubbing with soap loosens soil and microbes and the running water carries them away. This combination cleans all surfaces of the hands—palms, backs, between the fingers, under the nails—and removes debris that sanitizers alone can’t reliably remove. Alcohol-based sanitizers work well when hands aren’t visibly dirty, but they don’t remove heavy soil or organic material. Washing with water only or wiping with a dry cloth won’t effectively reduce microbial load.