Dental Disinfection and Sterilization Quiz

Which of the following is a high-level disinfectant/sterilant?

• Glutaraldehyde

• Alcohol

• Bleach

• Iodophor

Which of the following is the strongest (kills the most microbes)?

• A tuberculocidal disinfectant

• A hospital-level disinfectant

• A low-level disinfectant

• An antiseptic

What is the purpose of the second spray in the spray-wipe-spray procedure?

• To sterilize the surface

• To disinfect the surface

• To clean the surface

• To wash off the previous spray material

Which of the following terms indicate the strongest microbial killing power?

• A virucidal agent

• A sporicidal agent

• A tuberculocidal agent

• A bactericidal agent

The labels of properly approved surface disinfectants contain a registration number from which Federal agency?

• EPA

• FDA

• CDC

• OSHA

Supplying sterile forceps or cotton pliers with each instrument set-up to reach into containers of bulk supplies is best referred to as

• antisepsis.

• unit dosing.

• aseptic retrieval.

• high-tech management.

What is the maximum number of microbes CDC states should be in dental unit water used for patient treatment?

• 200,000 CFU/mL

• 10,000 CFU/mL

• 500 CFU/mL

• 1 CFU/mL

When does CDC recommend that dental unit waterlines with the attached handpieces should be flushed?

• Between every patient

• Once a day

• Once a week

• Every 10 minutes during an appointment

Which of the following is a waterborne bacterium that can cause a harmful infection in compromised persons?

• Streptococcus mutans

• Legionella pneumophila

• Candida albicans

• Herpes simplex

Why should you flush water through dental unit waterlines between patients?

• To remove all the biofilm in the waterlines.

• To help lubricate the high-speed handpiece.

• To sterilize the inside of the air–water syringe handle.

• To temporarily lower the number microbes in the water.

Tags

NGSS.HS-ETS1-3