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50 Cards in this Set
- Front
- Back
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What is the first thing the employee should do in the case of a needlestick? |
report the incident to the employer |
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what is the function of the ultrasonic unit? |
eliminates puncture wounds |
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the function of ethylene oxide is to? |
sterilize items which are heat sensitive |
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spontaneous abortion in the spouse of the operator can be a result of what occupational exposure? |
nitrous oxide |
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what would be considered part of a patient's health history |
-hospitalization -allergies -chronic illness |
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in accordance with OSHA regulations, employee medical records must be kept on file for what period of time? |
30 years |
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A surgical mask can be used during a dental procedure to? |
protect the operator from inhaling the aerosol created by the high speed handpiece |
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Who is at high risk for HIV transmission? |
-IV drug users -Health care workers -individuals receiving blood transfusions prior to 1985 -pesons with several sexual partners -people who work in nursing homes |
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dental health care personnel should utilize which of the following practice methods for preventing the spread of hepatitis? |
-use sterile disposable needles -clean and autoclave all instruments 30 minutes |
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before being placed into the autoclave, instruments should be wrapped in a paper or cloth towel because these materials? |
will be penetrated by steam |
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which types of sterilization unit functions at 270 degrees for 20 minutes? |
unsaturated chemical vapor |
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when chemical indicators change color during sterilization processing it indicates? |
that the temperature has been reached |
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if sterile packages are removed from the autoclave, while they are still damp, what should the operator do? |
resterilize |
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when instruments are added to the glutaraldehyde solution the timing should be? |
begun again with the addition of new instruments |
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the main disadvantage encountered in the use of the autoclave is? |
rusting and dulling of instruments |
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why is the proper time and temperature for the autoclave process? |
250 degrees Fahrenheit, 30 minutes |
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what is the purpose of screening patients? |
patients may not know they are infected |
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what color of the label color code indicates that a material may react violently if it is heated or mixed with water? |
yellow |
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sterilization techniques utilized in the dental offices would include? |
-dry heat -steam under pressure -chemical vapor -glutaraldehyde -ethylene oxide |
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CDC acceptable sterilization techniques utilized in dental offices would include which of the following? |
-dry heat -steam under pressure -chemical vapor |
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phenolics in low concentration is used as a surface disinfectant. In high concentration it can be used for which of the following? |
immersion of instruments |
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who should wear eyewear during dental procedures? |
-assistant -doctor, -hygientist -patient |
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if an HIV positive patient has cardiac arrest what do you use of CPR? |
a one way mask |
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sodium hypochlorite is not the most functional disinfectant because it? |
-is corrosive to metal -must be mixed daily -cannot be mixed with alcohol or ammonia -takes 10 minutes of immersion to work |
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information on the MSD sheets must include? |
-name of agent -ingredients -hazards -spill clean up |
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Lab jackets and other personal protective equipment shall be? |
-removed prior to leaving the work area -labeled with biohazards symbol after removal -kept in a sealed container |
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lab jackets and other personal protective equipment shall be? |
-labeled with biohazard symbol after removal -removed prior to leaving the work area |
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lab jackets and other personal protective equipment shall be? |
removed prior to leaving the work area |
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what should be used to disinfect an alginate impression? |
spray iodophor |
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according to OSHA standard, utility gloves should be worn at all times when decontaminating instruments. The type of glove indicated would be? |
-puncture resistant -made of nitrile -disinfected between use |
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what is the advantage of chemical vapor sterilization? |
does not rust and dull instruments |
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how can you reduce exposure to bioaerosol spray? |
HVE |
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what solution is indicated for use in the autoclave unit? |
distilled water |
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which of the pathogens listed below is the hardest to kill |
hepatitis |
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whose responsibility is it to provide the MSD sheets? |
manufacturer |
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oral fluids can be sucked back into a high speed handpick when the operator releases the foot control. What would stop this? |
install an anti retraction valve |
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how would you sterilize a liquid? |
autoclave |
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if the patient is filling out a health history and says "I don't think I have to answer this" what should the operator do? |
explain how the required information relates to dentistry |
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what type of hepatitis is the dental health care worker at greatest risk to? |
hepatitis C |
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after the use of the rag wheel in the dental lab it should be? |
autoclaved |
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factors regarding the hepatitis vaccine would include? |
-vaccines givne in the arm -vaccine requires 3 injections |
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infection of bacterium M tuberculosis occurs when an individual is? |
exposed for long term period |
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proper decontamination of handpieces for reuse would? |
-flush between every patient -scrub the handpick to remove debris -sterilize the handpiece |
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an acceptable antimicrobial hand wash should be? |
isopropyl alcohol and chlorhexidine gluconate |
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the purpose of flushing a handpick, after use, prior to sterilization is to? |
reduce debris sucked back into the handpiece |
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hazardous material training program should occur? |
-at initial time of employment -when new materials are introduced -when procedures are modified |
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a substance injected into the body to create immunity against disease is? |
an antigen |
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what is true regarding water line contamination? |
it can be transmitted |
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what is the first thing you can do in the case of a needlestick? |
stop everything |
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sharps containers must . . . |
-be puncture resistant -have biohazard symbol -be leakproof of the sides and bottom |
