When testing specimens that may be contaminated with blood-borne or other pathogens, which of the following would apply?

A. Rock the stopper back and forth to transfer a blood specimen from one collection tube to another container
B. Use a mouth pipette to draw specimens
C. Work on an open counter when completing procedures that are likely to generate splashes of contaminated material
D. Place the tube stopper directly on the work counter without covering it
E. Avoid working when you have cuts, lesions, or sores on your hands

Answer: E