What is the most effective action anyone can take to prevent the spread of contagious illnesses?
ATaking antibiotics
BWearing eyeglasses
CWashing the hands
DAvoiding raw fruit
Answer & Solution
Correct answer: C. Washing the hands
1. Microbes are everywhere: on doorknobs, money, hands, and many other surfaces.
2. The most effective action anyone can take against contagious illness is washing his or her hands.
3. Touching your mouth, nose, or eyes with unwashed hands lets those microbes into the body.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 4 "Cell Structure", section 4.2 Prokaryotic Cells_
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