Ch.20 Principles And Techniques Of Disinfection

Question 1

How often should you disinfect a surface that has been covered with a barrier?

Answer 1

At the beginning and end of each workday.

Question 2

Disinfectants used in dentistry must be registered with the ___________ as hospital disinfectants with the ability to kill mycobacterium tuberculosis.

Answer 2

Environmental Protection Agency (EPA)

Question 3

________ is a high level disinfectant that does not require activation or mixing and has little odor.

Answer 3

Ortho-Phthalaldehyde (OPA)

Question 4

What is the best way to avoid contamination in the dental treatment area?

Answer 4

Assume all surfaces have been contaminated.

Question 5

When should a product be labeled virucidal?

Answer 5

When it can kill viruses.

Question 6

What type of infection control protocols are implemented with using EPA-registered disinfectants, digital radiology, and using recyclable product packaging.

Answer 6

“Green” infection control.

Question 7

Preclean / Disinfect the surface between patients and using surface barriers is a good way to keep the dental treatment room ______________.

Answer 7

Decontaminated.

Question 8

__________ can be done by using regular soap and water.

Answer 8

Precleaning.

Question 9

What is the minimum amount of time for sterilization to occur using an immersion disinfectant?

Answer 9

6 hours.

Question 10

What is not recommended in the treatment area because it harbors bacteria and fungi?

Answer 10

Carpet.

Question 11

Under the _________ , housekeeping surfaces include floors, sinks, and walls.

Answer 11

CDC Guidelines for Infection Control in Dental Healthcare Settings - 2003

Question 12

Headrests, X-ray control switches and light curing devices should all be protected with what?

Answer 12

Barrier.

Question 13

_________ are used to kill disease-causing microorganisms that remain on the surface after precleaning.

Question 14

What intermediate chemical disinfectant is no longer used in dentistry?

Answer 14

Sodium hypochlorite.

Question 15

A benefit of using ____________ for disinfection is that they are compatible with metal, glass, rubber, and plastic.

Answer 15

Complex Phenol Solution.

Question 16

What environmental surfaces must be cleaned and decontaminated more rigorously than others?

Answer 16

Clinical contact surfaces.

Question 17

What should be done if a surface under a barrier gets contaminated?

Answer 17

The surface needs to be cleaned and disinfected.

Question 18

Synthetic phenols can be used as _________ in dentistry.

Answer 18

Surface disinfectants.

Question 19

__________ needs to be cleaned with only detergent or low-level disinfectant

Answer 19

Housekeeping surfaces.

Question 20

What is the protocol for minimizing contamination of touch and transfer surfaces from splash, spatter and surface droplets?

Answer 20

Apply a barrier following precleaning and disinfection.

Question 21

OSHA is the agency that is responsible for the _______ that requires contaminated surfaces to be disinfected between patients, even if no evidence of contamination is visible.

Answer 21

Blood-Borne Pathogens Standards.

Question 22

Precautionary statements for handling the product, directions for use, and storage and disposal information al are on the ____________.

Answer 22

Label on a chemical agent container.

Question 23

Irrigating syringes, patient napkins, and plastic orthodontic brackets are all considered ___________.

Answer 23

Single-use items.

Question 24

Following _________ protocol, surface barriers should be removed and discarded between patients while hands are still gloved.

Answer 24

(OSAP) Organization of Safety and Asepsis Procedures.

Question 25

__________ are chemicals that destroy or inactivate most species of pathogenic microorganisms on inanimate surfaces.

Answer 25

Disinfectants.

Question 26

Prolonged contact of certain types of instruments with _________ solutions can lead to discoloration and corrosion fo instrument surfaces and cutting edges.

Answer 26

Glutarldehyde

Question 27

__________ can survive for weeks outside the host and is the organism of concern to dentistry.

Answer 27

Tuberculosis (TB)

Question 28

Clear plastic wrap, plastic bags, tubing, and plastic-backed paper are all acceptable _________.

Answer 28

Barriers.

Question 29

Sporicidal is a product that is capable of killing ________.

Answer 29

Spores.

Question 30

What are some of the disadvantages of sodium hypochlorite?

Answer 30

Corrosion, daily preparations, strong odor, and instability.

Question 31

By the current infection control guidelines of the _________ , chairside computers are considered touch surfaces.

Answer 31

Organization for Safety and Asepsis Procedures (OSAP)

Question 32

Blood, saliva, and other bodily fluids are termed ___________.

Answer 32

Bioburden

Question 33

To effectively __________ dental treatment room, the surface should remain moist for the manufacturer’s recommended time for tuberculocidal action (usually 10 minutes)

Answer 33

Clean and disinfect

Question 34

Recommendations for mixing solutions of detergents or disinfectants include making a fresh cleaning solution each day, and ________.

Question 35

The correct protocol for barriers is to use fluid resistant barriers and remove contaminated barriers with _____ hands.

Answer 35

Gloved.

Question 36

The _______ is an agency that regulates and registers disinfectants and chemical sterilants according to chemical classifications.

Answer 36

EPA

Question 37

_________ compounds can be used on rubber, plastic, glass, and metal

Answer 37

Synthetic phenol

Question 38

An ____________ or low-level disinfectant is suitable for cleaning noncritical instruments

Answer 38

Environmental Protection Agency (EPA) -registered intermediate level

Question 39

The purpose of an ____________ is to prevent the drying of blood and debris on instruments

Answer 39

Instrument holding solution

Question 40

After the ultrasonic cleaning cycle is completed, instruments should be ______

Answer 40

Rinsed off with clear water

Question 41

__________ is the best way to determine weather sterilization has occurred

Answer 41

Biologic monitors

Question 42

The major advantage of the _________ sterilizer is that it does not rust, dull, or corrode dry metal instruments

Answer 42

Chemical vapor

Question 43

What 2 types of sterilization is recommended for dental handpieces?

Answer 43

Chemical vapor sterilization or steam sterilization

Question 44

Improper packaging, timing, and loading can cause ______ errors

Answer 44

Sterilization

Question 45

The autoclave cycle that allows the steam under pressure to be released from within the chamber is the _________ cycle.

Answer 45

Depressurizing

Question 46

The temperature during _______ sterilization should never exceed 275 degrees Fahrenheit

Answer 46

Handpiece

Question 47

Inadequate instrument cleaning, excessive packaging, and overloading the sterilizer can all cause __________.

Answer 47

Sterilization failures

Question 48

Amalgam carriers are classified as ________ instruments

Answer 48

Semicritical

Question 49

The ideal ________ should be dedicated only to instrument processing.

Answer 49

Instrument processing area

Question 50

Ultrasonic cleaning solutions should be ___________ for use in the ultrasonic cleaner

Answer 50

Specially formulated

Question 51

In the sterilization process, a _______ is an example of external chemical monitoring

Answer 51

Process indicator

Question 52

In the sterilization process, a _______ is an example of external chemical monitoring.

Answer 52

Process indicator

Question 53

What are microorganisms killed by in a steam sterilizer?

Answer 53

Heat

Question 54

A monitoring service will immediately communicate a failure of sterilization by _________.

Answer 54

A telephone call to the dental office, reporting a positive result

Question 55

What does submersing a piece of aluminum foil for 20 seconds in the ultrasonic do?

Answer 55

Test the function of the ultrasonic

Question 56

Formaldehyde, ketone, and alcohol are all chemicals used to _________

Answer 56

Create vapor for sterilizing with chemical vapor sterilization

Question 57

How often should biologic monitoring be done for the minimum frequency?

Answer 57

Weekly

Question 58

What does a positive culture indicate on a spore testing monitor?

Answer 58

Sterilization failure has occurred

Question 59

What PPE should be worn when processing instruments?

Answer 59

Mask, goggles, protective clothing and utility gloves

Question 60

Ultrasonic cleaning, ___________, and ________ are all methods of precleaning instruments

Answer 60

Instrument washing machine, and rinsing in a holding solution

Question 61

Why should instruments be bagged before steam sterilization?

Answer 61

To avoid contamination after sterilization