California State Mandated Infection Control 2 Hour

~ Exam ~

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This test has 14 questions.

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1. The biofilm that can form on dental unit waterlines poses a risk in the chain of infection. Which of the elements of the chain of infection is the biofilm?

  a. Pathogen.

  b. Method of transmission.

  c. Reservoir.

  d. Means of entry.


2. Preventing the risk of exposure to pathogens by changing the procedure for a particular task, such as using gloves as a barrier while handling potentially infectious materials is known as:

  a. A work practice control.

  b. An administrative control.

  c. An engineering control.

  d. None of the above.


3. Standard Precautions include all of the following EXCEPT:

  a. It is based on the concept that blood and body fluids, non-intact skin and mucous membranes are all potentially infectious.

  b. It applies to all patients.

  c. It encompasses the use of barrier precautions such as personal protective equipment.

  d. It is used only for those patients with known or suspected HIV, HBV or HCV infection.


4. Which of the following can damage latex gloves?

  a. Oil or petroleum based hand cream.

  b. Disinfecting chemicals and antimicrobial hand wash.

  c. A sharp instrument.

  d. All of the above.


5. Properly diluted iodophor is rated by the EPA as a tuberculocidal disinfectant.

  a. True.

  b. False.


6. The majority of microorganisms found on the hands are:

  a. On the thumbs.

  b. Under and around the nails.

  c. At the fingertips.

  d. In between the fingers.


7. According to the Centers for Disease Control and Prevention, effective infection control strategies prevent disease transmission by interrupting one or more links in the chain of infection.

  a. True

  b. False


8. After percutaneous injury with a contaminated sharp instrument, the average risk of HIV infection is:

  a. 0.8 %.

  b. 30%

  c. 0.3%

  d. 6%


9. High level disinfection involves the destruction of all life, including bacterial spores.

  a. True.

  b. False.


10. The greatest concentration of the hepatitis B virus in the mouth is in:

  a. The tongue.

  b. The anterior palate.

  c. The gingival sulcus.

  d. The enamel structure.


11. Surgical instruments, periodontal scalers, scalpel blades and surgical dental burs are all classified as critical items. The following is true of critical items EXCEPT:

  a. They have the highest risk of transmitting infection and should be heat sterilized between use.

  b. They penetrate soft tissue or contact bone, the bloodstream, or other normally sterile tissues of the mouth.

  c. They are biohazardous and the waste water is considered regulated medical waste.

  d. Sterile, single-use disposable devices can be used.


12. Which of the following statements is true regarding dental unit waterlines?

  a. If municipal water is the source that enters the dental unit waterline, output will always meet dental water quality.

  b. Flushing the waterlines at the beginning of the day sufficiently reduces the biofilm in the waterlines.

  c. Filters commonly found in dental unit water regulators do not function as microbiological filters.

  d. Dental unit waterlines can reliably deliver optimal water quality when used for irrigation during a surgical procedure.


13. All the following is true about regulated medical waste in California EXCEPT:

  a. It accounts for approximately 98-99% of waste produced in dental offices.

  b. Includes biohazardous waste and sharps waste.

  c. Generators of regulated medical waste must consult with the California Department of Health Services, Medical Waste Management Program.

  d. The law in California that governs the management of medical waste is the Medical Waste Management Act(MWMA).


14. Latex allergy is:

  a. An immediate hypersensitivity reaction to the proteins in natural rubber latex.

  b. The proteins attach to the powder in the gloves.

  c. Reactions can be severe, starting with runny nose, hives, itchy eyes, burning skin sensations, difficulty breathing, anaphylaxic shock and death.

  d. All of the above.