ICE PART 2

What is the correct disposal method for biohazardous waste?

• Regular trash

• Biohazard containers labeled with a red bag

• Recycling bins

• Household waste bins

Which disinfectant is NOT recommended for use on clinical contact surfaces?

• Iodophors

• Quaternary ammonium compounds

• Bleach

• Alcohol

How should surface barriers be removed after a procedure?

• Carefully, to avoid contamination

• Quickly, without care

• Wiped off with a cloth

• Left in place for the next patient

What is the purpose of single-unit dosing?

• To reduce waste

• To prevent cross-contamination

• To speed up procedures

• To reduce costs

What type of disinfectant requires mixing immediately before use due to short shelf life?

• Iodophors

• Chlorine bleach

• Phenolics

• Alcohol

What is the recommended contact time for intermediate-level disinfectants?

• 30 seconds

• 1 minute

• 10 minutes

• 1 hour

Which of the following is true about dental unit water quality?

• It should contain no microorganisms

• It should meet EPA standards for safe drinking water (<500 CFU/ml)

• It is not important for infection control

• It should be replaced monthly

Which chemical disinfectant is corrosive to metals and should be used cautiously?

• Chlorine bleach

• Quaternary ammonium compounds

• Iodophors

• Alcohol

What type of gloves should be worn when handling disinfectants?

• Latex examination gloves

• Nitrile or chemical-resistant gloves

• Vinyl gloves

• No gloves needed

What is the most effective way to prevent cross-contamination from instrument trays?

• Leaving trays open on countertops

• Using covered or wrapped trays

• Washing trays with water only

• No special precautions needed