| A | B |
| what OSHA standard is written to protect dental healthcare workers from occupational exposure to infectious disease | bloodborne pathogen standard |
| to maintain filterability a face mask that is moist from exhaled air should be replaced | every 20 minutes |
| which of the following personal protective barriers should always be put on last | golves |
| this is NOT recommended as a surface barrier | paper try liners; surface barriers must be resistant to fluids |
| gloves contaminated during dental procedures should be discarded in | regular waste receptacle |
| an alcohol based hand rub should only be used | when hands are NOT visibly soiled; hands should be washed in this case |
| PPE does not include | gowns laundered at home |
| Overgloves CANNOT be used | alone as a hand barrier for intramural procedures because they are not medical quality |
| the best way to clean a high speed hand piece | sterilize in packaging material |
| when performing a thorough hand washing hands should be rinsed with water at what temperature | cool |
| the front desk and walls of dental office are classified as housekeeping surfaces and should be cleaned with | low-level disinfectant |
| to ensure sterilization, steam sterilizers should be loaded so | instrument packages are packed loosely into the autoclave |
| dental instruments that are used in the mouth but DO NOT penetrated tissue or bone are | semicritical instruments |
| improperly cleaning a dental unit after a procedure could lead to what route of cross contamination | patient to patient |
| which type of waste must be identified with a biohazard label | regulated waste |
| when evaluating the effectiveness of the sterilizer what is used for the test medium | bacterial endospore is the hardest microorganism to kill and is used as a test standard |
| after used for patient treatment and before being sterilized dental instruments should be | placed in ultrasonic unit or instrument washer |
| one of the most common liquid sterilant is | glutaraldhyde |
| what method of sterilization is used for instruments that are subject to corrosion | dry heat sterilization |
| sterilization is defined as | destruction of all life formed |
| what is the main disadvantage of a chemical vapor sterilizer | must be placed in a well ventilated area |
| what is the best method of preparing instrument packs for for steam autoclave sterilizer | Use FDA-approved packaging materials |
| when the color indicator on the sterilization package changes color after processing this indicates | the sterilizer reached the correct temperature |
| a good way to reduce cross-contamination of dental material is to use | disposable materials |
| anytime a chemical is dispensed into a non original container, that container should be | marked with a secondary label |
| how long should dental impressions be sterilized before the impression is poured | 15 minutes |
| the best way to minimize cross-contamination of x-ray equipment is to | coer the control with plastic |
| this is a HIGH level disinfectant | chlorine dioxide |
| the active ingredient in chlorine compounds used in dentistry for intermediate-level surface disinfection is | sodium hydrochloride |
| best description of intermediate-level disinfectant | kills SOME tuberculosis spores and SOME viruses but not all |
| which of the following solutions is best for cleaning the dental suction lines | nondetergent, enzymatic cleaning solution |