Question

a medical assistant is preparing a room for a minor surgical procedure. which of the following surfaces should be considered contaminated? the inside of an unopened sterile package a recently autoclaved instrument tray the freshly disinfected countertop the floor

Explanation:

The inside of an unopened sterile package, a recently autoclaved instrument tray, and a freshly disinfected countertop are considered clean or sterile. However, the floor is constantly exposed to various contaminants like dust, dirt, and microorganisms from shoes and the environment, making it a contaminated surface.

Answer:

D. The floor