The universal precautions approach states that: Las precauciones universales indican que
A. Human blood and curtain body fluids must be treated as if they are known to be infected with HIV, HBV or the blood-borne pathogens
B. Human blood and certain body fluids must be treated by emergency response teams only
C. All containers must be labeled
D. Human blood and body fluids should be treated as if they are not contaminated