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1

What is the rationale for infection control?

To prevent the transmission of infectious diseases

2

Pathogen

A microorganism capable of causing disease

3

Antiseptic

A substance that inhibits the growth of bacteria.

4

Asepsis

The absence of pathogens. Term used to describe procedures that prevent infection (i.e. aseptic techniques)

5

Bloodborne pathogen

Pathogens present in blood

6

Disinfect

Use a chemical or physical procedure to inhibit or destroy pathogens

7

Exposure incident

A specific incident that involves contact with blood or OPIM

8

Occupational exposure

Contact with blood or OPIM that involves skin, eye, or mucous membranes

9

Parenteral exposure

Exposure to blood and OPIM through piercing or puncturing of skin barrier

10

Sterilize

The use of a physical or chemical procedure to destroy all pathogens including spores

11

Critical instruments

Critical instruments Instruments that are used to penetrate soft tissue or bone Must be sterilized

12

Semicritical instruments

Instruments that contact but do not penetrate soft tissue or bone. Must be sterilized or High-level disinfection In dental imaging includes: beam alignment devices

13

Noncritical instruments

Instruments or devices that do not come in contact with mucous membranes In dental imaging: PID, tube head, exposure button, control panel, lead apron, computer keyboard and mouse

14

After each patient has been treated all dental unit surfaces and countertops that may come into contact with saliva and blood must be .....

cleaned and disinfected.

15

Intermediate-level disinfectants

EPA labeled hospital disinfectant and tuberculocidal Recommended for all contaminated surfaces

16

Low-level disinfectants

EPA labeled hospital disinfectant Recommended for general house-keeping

17

High-level disinfectants can be used to disinfect ......

heat-sensitive semicritical dental instruments.

18

Low-level disinfectants are recommended for .....

general housekeeping purposes, such as cleaning floors and walls.

19

Infection Control Procedures Used Before Exposure

Preparation of the treatment area Preparation of supplies and equipment Preparation of the dental radiographer

20

Infection Control Procedures Used During Exposure

During and immediately after exposure, the radiographer must handle each receptor in a manner consistent with comprehensive infection control guidelines, which include: Drying of exposed receptors Collection of exposed receptors Beam alignment devices

21

If the dental radiographer is interrupted and must leave the room during exposure of receptors, the radiographer must

Remove gloves and wash hands before leaving the area Rewash hands and put on new gloves before resuming the procedure

22

Infection Control Procedures Used After Exposure

Disposal of contaminated items Beam alignment devices Remove from contaminated area Handwashing Lead apron removal Surface disinfection

23

Quality control tests are necessary to monitor all ...

dental x-ray machines, film, screens and cassettes, and viewing equipment.

24

Darkroom must be checked every ____ for light tightness.

month

25

Darkroom is checked every _ months for proper safe-lighting

6

26

Functioning processor

The unexposed film appears clear and dry and the exposed film appears black and dry.

27

Nonfunctioning processor

If the unexposed film does not appear clear and dry and if the exposed film does not appear completely black and dry the processor is nonfunctioning.

28

Processing solutions should be replenished ___ and changed every _ to _ weeks.

daily 3 to 4

29

Receptor Exposure Errors

Exposure problems Unexposed receptor Film exposed to light

30

Unexposed Receptor

Appearance The image appears clear. Cause Failure to turn on the x-ray machine Electrical failure Malfunction of the x-ray machine Correction Make certain the x-ray machine is turned on and listen for the audible exposure signal.