Infection control section :

State Board Review

A cavitron device which holds a liquid cleaner & uses a vibrating action to clean instruments prior to sterilization is called a:

Ultrasonic cleaner

To avoid the buildup of waterline biofilm the CDC, ADA & OSAP recommend:

All of the above

When should a DHCW change gloves?

When punctured or torn

Gloves are to be changed :

Both a & c

- After touching the facemask

-after treatment is complete

When recapping a needle, which of the following should be used?

One handed scoop method

Hazardous products moved from one container to another do not need to have a warning label or sticker affixed to them :

False

It is acceptable to clean contaminated instruments by scrubbing them with soap and water, by hand, prior to sterilization :

True

Disposable items used in the dental office include all of the following except:

Oxygen inhalation

Which of the following statements concerning Hepatitis B vaccination is true:

All of the above

A sharps container should be which of the following?

Red, puncture resistant, marked biohazard, closeable

Which work restriction is indicated for dental staff exposed to TB: 

Exclude from duties until proven non-infections

Which of the following is necessary for use of chemical

vapor sterilization?

Adequate ventilation

Protective clothing worn during patient treatment should:

All of the above

Radiographic equipment that can be sterilized include:

Film holder

The process of destroying most microorganism but not spores is called : 

Disinfection

Extracted teeth containing amalgam restoration should not be autoclaved because:

Release of mercury vapor

When removing needles from reusable syringes, which of

the following are acceptable?

Hub clamping device

Material Safety Data Sheets MSDS will contain information about:

All of the above

The use of physical or chemical means to remove, inactivate or destroy pathogenic microorganisms on a surface or item to the extent that they are no longer capable of transmitting infectious disease; the surface or item is rendered safe for handling use, or disposal : 

Decontamination/Disinfection

OSHA requires employers, including those in the healthcare profession to:

 All of the above

Darkroom infection control guidelines may include:

All of the above

Lead & silver are heavy solutions & are very toxic :

True

Which of the following diseases should you be immunized against?

All of the above

Disinfection is the partial elimination of active growth stage bacteria & the inactivation of some viruses: 

True

Which of the following is acceptable for maintenance of dental suction lines?

Non-detergent enzymatic vacuum cleaner

Preventing cross contamination when exposing dental films can be achieved by the use of : 

 Barrier film packets

What is the appropriate amount of time to flush the high-speed hand piece between patients?

20-30 seconds

Not following the recommended infection control procedures is considered to be unsafe to the public's health, welfare & safety: 

True

The most effective way to minimize cross contamination between the patient & the operator is to:

Wear proper personal protective equipment (PPE)

Acceptable methods of sterilization include:

All of the above

Warning labels or sticker must contain appropriate warnings according to:

All of the above

Barriers can be used in the dental office for all of the following except:

Used in place of the rubber dam to isolate teeth & prevent splash/splatter

A non-critical surface that does not penetrate tissue, but require the use of barriers to prevent cross-contamination, includes the:

Exposure control

The following condition does not harbor bacteria that could lead to contamination:

Short nails

Flash sterilization is used for:

Sterilization of unwrapped instruments for immediate use

When the outside of the biopsy specimen bottle shows signs of contamination, what should be done?

Clean & disinfect the outside of the container

Reduction of the amount of aerosol spray & splatter can be accomplished by:

All of the above

To reduce cross-contamination, the most appropriate way to store exposed radiographs prior to processing is :

Disposable cups

The term that means a sufficient quantity of materials or supplies needed to treat a single patient is:

Unit dose

What is required prior to a case being sent to a dental laboratory?

Case is disinfected & labeled non-biohazardous

Factor which may diminish the effectiveness of the various sterilizers used in the dental office include:

Improper wrapping of instruments

Patients with the following disease would not be treated for routine treatment?

Herpes Simplex