Infection Control in Dental Procedures: Standard and Universal Precautions, Exams of Dentistry

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Dental : Infection Control

Standard precautions are utilized prior to, during , and after each procedure - true As long as protection for the front of the eyes is provided,any glasses are an appropriate protective eyewear. - false The patient should be offered protective eyewear. - true The rag wheel can be disposable or rinsed out and sterilized after use. - true The first step to accomplish the goal of infection control is for the dental assistant to maintain good health standards. - true In taking the patients medical health history, it is important to update this information both verbally and in writing. - true When removing protective clothing, OSHA recommends that special care is to be taken with items that are considered potentially infectious. - true Foot-operated soap dispensers prevent unnecessary hand contamination. - true Following hand washing, one of the best ways to dry your hands is with disposable towel. - true Most often when an OSHA guideline is made, the profession has a specific time frame in which to comply. - true Universal precautions means that all patients are treated as if they are infectious. - true Following patient treatment and glove removal, gloves are placed into the regular waste receptacle. - false Polynitrile gloves can be sterilized. - true

Successful handpiece sterilization is accomplished by following the manufacturers directions. - true The creation of an environment free of pathogens is - Asepsis Universal precautions mean - All patients are treated as if infectious Examples of times when personal protective equipment (PPE) must be worn are - Initial examination of patient Surgical extraction of a third molar Which regulatory body enforces the law that employers must protect their employees from exposure to infectious materials. - OSHA Items included in the bloodborne pathogens standard are -

1. Train all employees in a timely manner
2. Provide employees with everything to meet standard regulations
3. Provide all PPEs
4. Pay for the hepatitis B vaccination series
5. Establish standards for disposing of hazardous waste Which written plan lists how to evaluate situations involving exposure? - written exposure Under which exposure category would the dental assistant be classified? - 1 Which regulatory agency is involved in regulating the disposal of hazardous waste after it leaves the dental office? - EPA OSHA training must involve which of the following personnel? - Full-time Part-time Temporary Where is the labeling and waste disposal information found for a product? - OSHA communication standard One of the best ways to prevent the spread of microorganisms from one person to another is by - Hand washing with water and antimicrobial soap Antimicrobial means - Sterilization Disinfection

Growth inhibitor At a minimum, a______handwash should be done. - 30 seconds The glove of a choice for working chair side is the_____ glove? - Latex After the procedure, gloves that were not torn or ripped should be - Removed and thrown away Food-handler gloves are used in a dental procedure, - when placed over latex gloves to retrieve something inside a drawer Utility gloves are used in a dental procedure, - to clean the operatory A mask is worn by dental team members to - protect the mucous membranes of the nose and mouth The standards for wearing a mask include, - Replacing it when it becomes moist Never letting the mask dangle from one ear Placing a new mask for each patient Protective clothing worn during dental treatment includes - High-neck and cuffed wrist area The physical removal of organic matter from surfaces or instruments is - cleaning Some products require as few as ______ to disinfect - 10 minutes Some products require _______ of submersion to sterilize - 10 hours The only way to verify the time requirement for a particular product is by - reading the label The disinfection level that kills some viruses and fungi and most bacterial microorganisms is ______ level. - Low The disinfection level that destroys most , but not all, bacterial spores is______level. - High The disinfection level that does not kill bacterial spores is ____ level. - Intermediate

If during an immersion disinfection procedure an additional instrument is added to the solution before the disinfection time is up, the - Time must be started over for all instruments Sodium hypochlorite is - Irritating to eyes and skin Corrosive to metals Unstable and must be mixed daily Which disinfectant can stain light-colored vinyl or plastics? - Iodophors Which is true of isopropyl alcohol? - It is not used as a disinfectant agent in a dental office An ultrasonic cleaner is preferred to hand scrubbing because it - Uses sound waves to reach all areas of the instruments Uses a cavitation process Is safer for the auxiliary After instruments have been removed from the ultrasonic cleaner, they - Should be rinsed and dried It is easier to _____ sterilization - Achieve A disadvantage of an ethylene oxide sterilization system is - Requires ventilation The hot bead sterilizer requires that burs and/or endodontic instruments be immersed , - 20 to 30 seconds The preferred sterilization method for instruments with surgical cutting edges is - Dry heat An autoclave sterilizes by using - Steam under pressure The autoclave takes ________ to sterilize. - 15 minutes at 350 degrees at 15 psi A liquid chemical sterilizer requires ______ to sterilize. - Room temperature for 10 hours The heated ethylene oxide sterilization method requires_____to sterilize. - 120 degrees for 2 to 3 hours A dry-heat sterilizer requires_____ to sterilize. -

340 degrees for 1 hour The autoclave requires which type of water to function properly? - Distilled If during the operation of the autoclave a hissing sound comes from the unit, what is the cause? - The gasket is displaced or torn. The best way to store sterilized instruments is to store them in - The package in which they were sterilized Failure of complete sterilization in an autoclave could result from - Overloading the chamber Improper wrapping of instruments Improper setting of time and temperature The most accurate way to ensure that sterilization has occurred is to use - Biological indicators Which method indicates that packages in a sterilizer have been exposed to heat - The use of a process indicator With which solution may patients be asked to rinse their mouths to reduce microorganisms? - Chlorhexidine gluconate The most effective way to reduce the amount of aerosols coming from the high-speed handpiece from being sprayed into the air is - Use the HVE All of the following statements are true EXCEPT - Disposable items can be disinfected and reused Running the water lines in the unit for ______ flushes out the system. - 20 seconds Name the organization that is composed of dental health care workers and that helps dental offices correct infection control. - OSAP (Organization Safety Asepis Procedures) If the dental assistant has not had the hepatitis B series of vaccine, the employer is responsible for - Immunization information Information regarding the availability of the vaccine during initial training Paying for the vaccine series The term that indicates that most individuals infected with HBV or HIV have no symptoms is - Antiseptic Sterilizing plastics requires special consideration. Which of the following are not recommended for plastic? -

Dry heat The microbe, found in dental unit water lines, represents this slime layer that allows bacteria, fungi, and viruses to multiply. - Biofilm _____is the system that requires that PPE be worn to protect against contact with all body fluids, whether or not blood is visible. - BSI (Body Substance Isolation) Which of the following are included in the written exposure plan? - All employees list tasks in each job classification and identify which category they fall under. The office must have a schedule for implementation. A manual and procedure plan are written to cover compliance for office PPE and safety issues. In order to break the chain of infection,which of the following practices should be followed? - Proper disinfection Correct barriers PPE Protective eyewear worn during specific phases of dental treatment will protect from the following EXCEPT - Chemical vapor What color of eyewear is normally worn to protect form curing dental materials? - Orange This agency regulates the glove specification for the health care industry. - FDA This latex allergic reaction is characterized by hands becoming itchy and sometimes cracked. - Contact dermatitis All of the dental office items listed below contain potential latex EXCEPT - Masking tape Which of the following are special protective clothing regulated by OSHA? - Uniform Lab coats Gowns The cleaning device that uses a cavitation process to clean debris from the instruments. - Ultrasonic Sterilization indicators are used to ensure which of the following errors do not occur? - Bags are not overfilled Sterilizers are not overpacked

In the dental office, rooms and equipment that are often overlooked for disinfecting include - Radiography room Radiography processing room Dental laboratory Match the glove use with a specific procedure. a. Oral surgery procedures b. Placed over latex glove during patient treatment c. Used during disinfection d. Examination glove - a. Sterile surgical b. Overglove c. Utility d. Vinyl