Question

1. universal precautions mean: *

treat only known infected blood as dangerous

treat all blood and certain body fluids as potentially infectious

only wear gloves when blood is visible

only apply in hospitals

Explanation:

Define universal precautions

Universal precautions is an approach to infection control where all human blood and certain human body fluids are treated as if known to be infectious for HIV, HBV, and other bloodborne pathogens.

Evaluate the given options

• "Treat only known infected blood as dangerous": Incorrect, as the core principle is to treat all blood as potentially infectious regardless of known status.
• "Treat all blood and certain body fluids as potentially infectious": Correct, this matches the standard medical and safety definition.
• "Only wear gloves when blood is visible": Incorrect, protective equipment should be used based on the potential for exposure, not just visible blood.
• "Only apply in hospitals": Incorrect, these standards apply to all workplaces with potential exposure to blood or body fluids.

Answer:

• Treat only known infected blood as dangerous
• Treat all blood and certain body fluids as potentially infectious (Correct answer)
• Only wear gloves when blood is visible
• Only apply in hospitals