Ch.20 & 21

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

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

Answer 12

Disinfectants

Question 13

What intermediate chemical disinfectant is no longer used in dentistry?

Answer 13

Sodium hypochlorite.

Question 14

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

Answer 14

Complex Phenol Solution.

Question 15

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

Answer 15

Clinical contact surfaces.

Question 16

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

Answer 16

The surface needs to be cleaned and disinfected.

Question 17

Synthetic phenols can be used as _________ in dentistry.

Answer 17

Surface disinfectants.

Question 18

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

Answer 18

Housekeeping surfaces.

Question 19

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

Answer 19

Apply a barrier following precleaning and disinfection.

Question 20

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 20

Blood-Borne Pathogens Standards.

Question 21

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

Answer 21

Label on a chemical agent container.

Question 22

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

Answer 22

Single-use items.

Question 23

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

Answer 23

(OSAP) Organization of Safety and Asepsis Procedures.

Question 24

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

Answer 24

Disinfectants.

Question 25

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

Answer 25

Glutarldehyde

Question 26

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

Answer 26

Tuberculosis (TB)

Question 27

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

Answer 27

Barriers.

Question 28

Sporicidal is a product that is capable of killing ________.

Answer 28

Spores.

Question 29

What are some of the disadvantages of sodium hypochlorite?

Answer 29

Corrosion, daily preparations, strong odor, and instability.

Question 30

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

Answer 30

Organization for Safety and Asepsis Procedures (OSAP)

Question 31

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

Answer 31

Bioburden

Question 32

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

Answer 32

Clean and disinfect

Question 33

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

Answer 33

Discarding any unused solution at the end of treatment day

Question 34

The correct protocol for contaminated barriers is removing and discarding with gloved hands and replacing barriers using __________ between patients.

Answer 34

Clean hands

Question 35

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

Answer 35

EPA

Question 36

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

Answer 36

Synthetic phenol

Question 37

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

Answer 37

Environmental Protection Agency (EPA) -registered intermediate level

Question 38

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

Answer 38

Instrument holding solution

Question 39

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

Answer 39

Rinsed off with clear water

Question 40

__________ is the best way to determine weather sterilization has occurred

Answer 40

Biologic monitors

Question 41

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

Answer 41

Chemical vapor

Question 42

What 2 types of sterilization is recommended for dental handpieces?

Answer 42

Chemical vapor sterilization or steam sterilization

Question 43

Improper packaging, timing, and loading can cause ______ errors

Answer 43

Sterilization

Question 44

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

Answer 44

Depressurizing

Question 45

The temperature during _______ sterilization should never exceed 275 degrees Fahrenheit

Answer 45

Handpiece

Question 46

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

Answer 46

Sterilization failures

Question 47

Amalgam carriers are classified as ________ instruments

Answer 47

Semicritical

Question 48

The ideal ________ should be dedicated only to instrument processing.

Answer 48

Instrument processing area

Question 49

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

Answer 49

Specially formulated

Question 50

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

Answer 50

Process indicator

Question 51

What are microorganisms killed by in a steam sterilizer?

Answer 51

Heat

Question 52

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

Answer 52

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

Question 53

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

Answer 53

Test the function of the ultrasonic

Question 54

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

Answer 54

Create vapor for sterilizing with chemical vapor sterilization

Question 55

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

Answer 55

Weekly

Question 56

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

Answer 56

Sterilization failure has occurred

Question 57

What PPE should be worn when processing instruments?

Answer 57

Mask, goggles, protective clothing and utility gloves

Question 58

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

Answer 58

Instrument washing machine, and rinsing in a holding solution

Question 59

Why should instruments be bagged before steam sterilization?

Answer 59

To avoid contamination after sterilization

Question 60

_________ destroys microbial forms, including bacterial spores.

Answer 60

Sterilization

Question 61

When using a _________ sterilizer it is essential to dry the instruments first to prevent from rusting.

Answer 61

Chemical vapor

Question 62

_________ sterilants are highly toxic, require 10 hours for sterilization, and have a use-life of 30 days.

Answer 62

Liquid chemical

Question 63

The purpose of an __________ is to loosen and remove debris from instruments, disinfection of the instruments, and to reduce hand injury from cuts and punctures that can occur with hand scrubbing.

Answer 63

Ultrasonic cleaner

Question 64

Instruments used to penetrate soft tissue or bone are classified as _______ instruments

Answer 64

Critical

Question 65

________ takes place prior to storage

Answer 65

Sterilization

Question 66

What’s a good way to minimize personal exposure to microorganisms when transporting and processing contaminated items?

Answer 66

Minimize handing of loose contaminated instruments during transport to instrument processing area

Question 67

________ cleans dirty instruments using sound waves, which causes cavitation and implosion.

Answer 67

Ultrasonic cleaner

Question 68

For Immediate sterilization of unwrapped patient care items, a ________ sterilization might be used.

Answer 68

Flash

Question 69

Reusable instruments that touch saliva, blood, or mucous membranes must be _______ to be reused on another patient

Answer 69

Heat sterilized

Question 70

__________ sterilization requires the highest temperature

Answer 70

Dry heat

Question 71

Some ultrasonic cleaning solutions have antimircobial activity and _______ activity

Answer 71

Enzymatic

Question 72

Short sterilization cycle time is one of the advantaged of a ________ sterilizer over the other types off sterilizers

Answer 72

Forced air

Question 73

__________ is also known as spore testing

Answer 73

Biological monitoring

Question 74

A disadvantage of the _________ sterilization is the inability to wrap items.

Answer 74

Flash

Question 75

Where is the process indicator placed?

Answer 75

Outside the instrument package

Question 76

Instrument processing should flow in a single loop from _______ to ______ to _______ to storage

Answer 76

Dirty , clean , sterile

Question 77

How often should the ultrasonic be cleaned and disinfected?

Answer 77

At least once a day

Question 78

___________ that change colors area useful for identifying instruments packs that have been exposed to certain temperatures, and to determine weather an instrument package has been processed.

Answer 78

Process indicators

Question 79

Heat up ; sterilizing ; depressurization ; and drying is the order of the cycle for a ________ sterilizer.

Answer 79

Steam

Question 80

Instruments packages should dry inside the steam sterilizer before storage because _________ can occur through wet packaging material

Answer 80

Wicking of bacterial

Question 81

Physical, chemical, and biological are all forms of __________.

Answer 81

Sterilization monitoring

Question 82

Instrument package requires?

Answer 82

Heat / self sealing label as sterilization packaging FDA approved

Question 83

The best way to remove debris from a handpieces is flushing it for ______ seconds.

Answer 83

10-20

Question 84

Completely drying the instruments and lubricating the hinge of hinged instruments helps prevent ___________.

Answer 84

Rust

Question 85

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

Answer 85

Barriers

Question 86

____________ include avoiding inhaling the fumes, always rinse instruments before putting intraoral and wearing PPE

Answer 86

Precaution of Glutaraldehyde

Question 87

What is the difference between a disinfectant and a sterilant?

Answer 87

Disinfectant kills diseases, sterilants kills all microbial life

Question 88

The method precleaning are :

Answer 88

Ultrasonic cleaning Instrument washing machines And rinsing in a hold solution

Question 89

2 ways you can prevent rust from forming on instruments is :

Answer 89

Drying the instruments and lubricating the hinged instruments