________________________________________________________ Infection Control for Dental Professionals
21. To avoid contamination and maintain aseptic technique, medications should be drawn A) chairside. B) in a clean medication preparation area. C) only while wearing a gown and face shield. D) by designated “clean” individuals who have been tested and cleared.
26. The risk of infection following occupational exposure depends on A) the amount of blood involved. B) the amount of contagion present in the source person’s blood. C) whether the exposure was to nonintact skin or mucous membranes. D) All of the above 27. Postexposure prophylaxis, or the provision of medications after a substantial exposure in order to reduce the likelihood of infection, is available for A) HIV. B) hepatitis B. C) hepatitis C. D) Both A and B 28. All of the following statements regarding TB prevention are true, EXCEPT: A) Patients with symptoms of TB should be identified by screening. B) Dental treatment for patients with symptoms of TB should be deferred until their symptoms are mild. C) The patients with potentially active TB should be promptly referred to an appropriate medical setting for evaluation. D) The CDC recommends that all dental care providers be screened for TB upon hire, using either a tuberculin skin test or blood test. 29. The hepatitis B vaccine is given A) annually. B) as a single dose. C) in a series of three injections. D) once and followed by a booster after 10 years. 30. Retraining on bloodborne pathogens is required A) for unlicensed staff and personnel only. B) only once when beginning employment at a facility. C) to be presented by a physician or infectious disease specialist. D) annually or when changes in procedures or tasks affecting occupational exposure occur.
22. Cleaning is defined as A)
the removal of visible soil (organic and inorganic) debris and OPIM from objects and surfaces.
B) a process that destroys vegetative bacteria and most fungi and viruses. C) a process that eliminates many or all pathogenic micro-organisms, except bacterial spores, on inanimate objects. D) a process that destroys or eliminates all forms of microbial life and is carried out in healthcare facilities by physical or chemical methods. 23. According to the Spaulding classification system, critical items A) contact only intact skin. B) touch intact mucous membranes. C) enter sterile spaces, such as soft tissue or bone. D) None of the above 24. Devices connected to the dental water system that enter the patient’s mouth should be flushed for how long after each patient? A) No more than 15 seconds. B) At least 20 seconds.
C) At least 90 seconds. D) Exactly 2 minutes.
25. Which of the following is NOT a regulated waste found in dental practice settings? A) Extracted teeth. B) Contaminated sharp items. C) Gauze saturated with blood. D) Disposable gloves, masks, and gowns.
Course Code: DNJ05IC
31
EliteLearning.com/Dental
Powered by FlippingBook