Which of the following are sources of contamination in the operating room? (Select all that apply. )

A) A wristwatch
B) Chipped nail polish
C) Artificial fingernails
D) Abrasions on the hands
E) Tattoos to the arms

Contamination

The presence of unwanted substances or microorganisms in a specific area or environment, leading to pollution or infection.

Chipped Nail Polish

A cosmetic condition where the applied nail polish is flaked, peeled, or broken away from the nail surface.