CNA Practice Test
Infection controlQuestion 1166 of 1700

How can a worker who wears glasses keep them from fogging under a mask?

  1. Position the glasses above the upper edge of the mask
  2. Pull the mask down under the nose
  3. Loosen the mask so air escapes at the sides
  4. Wipe the glasses with a dry paper towel
Show answer

Correct answer: Position the glasses above the upper edge of the mask

This keeps warm breath from reaching the lenses.

Source: Nursing Assistant (Reuter), 4.5: Personal Protective Equipment (PPE)

Practice infection control

Questions last reviewed: 18 October 2026