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Questions and Answers
Which of the following best describes a sterilant?
What is the main difference between a disinfectant and an antiseptic?
Which of the following can be considered a method of disinfection?
What is the primary use of an antiseptic?
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Which of the following is an example of a disinfectant?
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Which method of sterilization uses ethylene oxide or formaldehyde gases?
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Which method of sterilization is suitable for organic compounds that would degrade under high temperatures?
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Which method is recommended for items that cannot be sterilized or are noncritical items?
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What are the microorganisms of concern in dental unit waterlines?
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Which of the following is a primary source of microorganisms in dental unit waterlines?
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How long should water and air be discharged after each patient from any device connected to the dental water system?
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Which agency regulates disinfectants and sterilants?
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Which agency regulates antiseptics?
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What are the ideal properties of a disinfectant?
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What are the ideal properties of an antiseptic?
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What can be done to test the water quality in dental units?
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Which of the following is NOT an ideal property of a disinfectant?
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Which agency is responsible for regulating antiseptics?
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Which of the following is NOT an ideal property of a disinfectant?
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Which of the following is an ideal property of an antiseptic?
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Which of the following is an ideal property of an antiseptic?
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What is the recommended concentration for disinfection of blood spills with sodium hypochlorite?
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Which of the following is a characteristic of iodine as an antiseptic?
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Which method is recommended for disinfection or sterilization of instruments especially those that cannot withstand high temperatures?
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Which of the following is a potential side effect of using iodine as an antiseptic?
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What is the recommended dilution for sodium hypochlorite as a disinfectant?
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Which of the following materials are bleach solutions corrosive to?
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What is the primary function of halogens and halogen-releasing compounds as antiseptics?
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What is the main function of superoxidized water as a disinfectant?
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What can accelerate the decomposition rate of chlorine in superoxidized water?
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What is the contact time required for achieving a high level of disinfection with superoxidized water?
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Which compound forms crosslinks in proteins and nucleic acids, and can act in alkylation of proteins?
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What is the recommended use of superoxidized water in dental settings?
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What can cause failures of disinfection with aldehydes?
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What is the stability period of superoxidized water when stored correctly?
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Which of the following is NOT a recommended use of alcohol-based hand rubs?
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What is the recommended method to increase penetration of aldehydes into devices for disinfection?
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Which compound is a bisphenol and has been used in toothpastes and soaps?
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Which of the following is a phenolic-related compound still used as a disinfectant?
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What is the primary use of aldehydes as disinfectants or sterilants?
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Which of the following compounds can disrupt cell walls and membranes, denature and inactivate enzymes?
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Which compound has corrosive effects on the tissues, high toxicity through the skin, and has carcinogenic effects?
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Which of the following is a recommended concentration for alcohol-based hand rubs?
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Which of the following compounds is derived from coal tar distillates and is used in Lysol?
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Which of the following is true about hydrogen peroxide (H2O2)?
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Which of the following is NOT a recommended method for disinfection or sterilization of instruments?
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Which of the following is a property of alcohols as antiseptics and disinfectants?
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Which of the following is true about alcohol-based hand rubs and C. difficile spores?
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Which of the following compounds should not be used in nurseries or near infants due to an association with hyperbilirubinemia?
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Which of the following is true about the activity of hydrogen peroxide (H2O2) on bacteria?
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Which of the following is true about the mechanism of action of hydrogen peroxide (H2O2) on bacteria?
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Which of the following is true about the activity of biguanides?
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Which of the following is true about the preferred agent for skin antisepsis in many surgical procedures?
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Which of the following is true about the binding of chlorhexidine to bacterial cell walls?
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Which of the following is true about the use of biguanides in mouthwash?
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Which of the following is true about the activity of chlorhexidine?
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Which of the following is true about the combination of chlorhexidine and alcohol?
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Which plant extract is used as a local anesthetic and has counterirritant qualities?
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What is the mechanism of action of heavy metals like mercury and silver as disinfectants?
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Which compound is used as a preservative in certain vaccines, antitoxins, and immune sera?
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Which surfactant classification includes items such as soaps and detergents?
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What happens when cationic and anionic surfactants are mixed together?
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What is the mechanism of action for surfactants as disinfectants?
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What classification does cetylpyridium chloride belong to?
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What is the primary source of eucalyptol?
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What is the role of monoterpenes in plant oils?
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Which of the following is the primary use of silver nitrate in newborns?
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What can limit the efficacy of disinfectants and antiseptics?
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What is an example of an intrinsic bacterial resistance mechanism?
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What is an example of an acquired bacterial resistance mechanism?
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What can help improve the overall efficacy of disinfectants and antiseptics?
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What is the primary use of silver sulfadiazine?
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What are the ideal properties of a disinfectant or antiseptic?
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What can microbes develop resistance to?
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What determines the use of a disinfectant or antiseptic?
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