CNA Practice Test
Infection controlQuestion 1142 of 1700

Why should you wipe mobile devices with disinfectant often?

  1. They are easily scratched by dust
  2. They can carry many germs
  3. They run slower when they are dirty
  4. They are not allowed on units
Show answer

Correct answer: They can carry many germs

Phones can be dirtier than a toilet seat, so cleaning them helps stop spread.

Source: Nursing Assistant (Reuter), 4.4: Precautions Used to Prevent the Spread of Infection

Practice infection control

Questions last reviewed: 18 October 2026