Multiple choice

When you finish working with chemicals, biological specimens, and other substances, always

  1. treat your hands with lotion

  2. wipe your hands on a towel

  3. wash your hands

  4. wipe your hands on your clothes

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Washing hands thoroughly after handling chemicals or specimens removes residual contaminants. This is a critical step for personal safety and preventing the spread of substances.