CNA Practice Test
Infection controlQuestion 270 of 1700

Which mask gives respirator-level protection against small airborne particles?

  1. A cloth mask that is worn in public places
  2. A surgical mask that is worn by the resident
  3. A respirator mask with N95 or higher filtration
  4. A face shield that is worn over eyeglasses
Show answer

Correct answer: A respirator mask with N95 or higher filtration

N95 respirators protect against inhaled particles.

Source: Nursing Assistant (Reuter), 4.14: IV Glossary

Practice infection control

Questions last reviewed: 18 October 2026