ANSWERS: 1
-
Surgical masks are disposable and are worn to prevent the spread of infection. The masks are graded to repel bodily fluids, but do not prevent the transmission of microscopic particles. The most common design covers the nose and mouth and ties behind the head.
Source:
Osha.gov: Respiratory Infection Control: Respirators Versus Surgical Masks
Infectioncontroltoday.com: The Basics of Surgical Mask Selection
Copyright 2023, Wired Ivy, LLC