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FREE AND STUDY GAMES ABOUT CH20/21 DEN110 EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -30 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: The high-level disinfectant that does not require activation or mixing and has little odor is
Answer:
ortho-phthalaldehyde (OPA).Question 2: The chemical disinfectant classified as an intermediate-level agent that is no longer recommended for use in dentistry is
Answer:
sodium hypochlorite.Question 3: Some microorganisms may survive on outside the host on environmental surfaces.The organism of concern to dentistry that can survive for weeks outside the host is
Answer:
tuberculosis.
Question 4: The label on a chemical agent contains all of the following except
Answer:
The manufacturer suggested retail price.
Question 5: A product capable of killing a virus should be labeled
Answer:
virucidal.
Question 6: The following are considered single-use items except
Answer:
metal impression trays.Question 7: The protocol to follow to minimize contamination of touch and transfer surfaces from splash, spatter, and surface droplets is to
Answer:
apply an acceptable barrier following precleaning and disinfection.Question 8: All of the following surfaces should be protected from contamination with barriers except
Answer:
counter tops in the reception area.Question 9: Which of the following can be used as a surface disinfectant in the dentistry?
Answer:
Synthetic phenols Question 10: By current infection control guidelines of the Organization for Safety and Asepsis Procedures (OSAP), chairside computers are considered to be _____ surfaces.
Answer:
touch
Question 11: Following OSAP protocol, surface barriers
Answer:
should be removed and discarded between patients while hands are still gloved.Question 12: Instability, daily preparation, strong odor, and corrosion are some of the disadvantages of
Answer:
sodium hypochlorite.
Question 13: For sterilization to occur using an immersion disinfectant, items must be immersed for a minimum of _____ hours.
Answer:
6 Question 14: Disinfectants used in dentistry must be registered with the Environmental Protection Agency (EPA) as hospital disinfectants with the ability to kill
Answer:
Mycobacterium tuberculosis.Question 15: According to the EPA, synthetic phenol compounds are categorized as intermediate-level hospital disinfectants. Phenols can be used on
Answer:
metal.glass.rubber or plastic.Question 16: The agency responsible for the Blood-Borne Pathogens Standards that requires contaminated surfaces to be disinfected between patients, even if no evidence of contamination is visible is
Answer:
OSHA.Question 17: The agency that regulates and registers disinfectants and chemical sterilants according to chemical classification is
Answer:
the EPA.
Question 18: Precleaning can be accomplished using
Answer:
regular soap and water.Question 19: The purpose of precleaning a surface is to reduce the number of microbes and remove blood, saliva, and other body fluids called
Answer:
bioburden.
Question 20: Under the CDC Guidelines for Infection Control in Dental Healthcare Settings-2003, housekeeping surfaces include
Answer:
floors.walls.sinks.Question 21: To avoid contamination in a dental treatment area, the best approach is to
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assume all surfaces have been contaminated.
Question 22: Precautions when using glutaraldehyde include
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avoid inhaling the fumes.always rinse instruments thoroughly prior to any intraoral use.wear PPE to protect the eyes, skin, and lungs.
Question 23: Acceptable barriers include
Answer:
clear plastic wrap.plastic bags.tubing and plastic-backed paper.
Question 24: Carpet in dental treatment areas
Answer:
harbors both bacteria and fungi.
Question 25: Housekeeping surfaces
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need to be cleaned with only a detergent or low-level disinfectant.Question 26: "Green" infection control protocols can be implemented in all of the following except
Answer:
traditional film-based radiography.
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