MDA CH 20 Principles and Techniques of Disinfection

Question 1

What is an antiseptic?

Answer 1

Its a substance that kills microorganisms on the skin.

Question 2

What’s a bioburden?

Answer 2

It’s blood, saliva, or any other bodily fluids.

Question 3

What is broad-spectrum activity?

Answer 3

Its the capability of killing a wide rage of microbes.

Question 4

What is chlorine dioxide?

Answer 4

Its a chemical sterilant or surface disinfectant that is effective and fast-acting on environmental surfaces.

Question 5

What is a clinical contact surface?

Answer 5

Any surface that is touched with contaminated hands, instruments, or spatter from the dental treatment (e.g. chairside computers, dental light handles).

Question 6

What is a disinfectant?

Answer 6

A chemical that is used to reduce the amount of microorganisms on an inanimate objects.

Question 7

What is an environmental surface?

Answer 7

Any surface in a healthcare settling that is not directly involved with patient care, but can become contaminated during treatments and procedures (e.g countertops, floors, walls, instrument control panels).

Question 8

What is a fungicidal?

Answer 8

Its a product that can kill fungi.

Question 9

What is glutaraldehyde?

Answer 9

Its an EPA(Environmental Protection Agency) registered high-level disinfectant.

Question 10

What is greener infection control?

Answer 10

When you minimize the environmental impact of infection control products and procedures.

Question 11

What is a high-level disinfectant?

Answer 11

Its a hospital disinfectant with tuberculocidal activity.

Question 12

What is a hospital disinfectant?

Answer 12

Its a disinfectant with the ability to kill Staphylococcus aureus, Salmonella choleraesuis, and Pseudomonas aeruginosa.

Question 13

What is a housekeeping surface?

Answer 13

They are surfaces that aren’t contaminated during treatment (e.g. floors, walls).

Question 14

What is an immersion disinfectant?

Answer 14

Its a disinfectant used to soak heat-sensitive instruments.

Question 15

What is a intermediate-level disinfectant?

Answer 15

An EPA-registered liquid disinfectant with tuberculocidal activity (used for disinfecting operatory surfaces).

Question 16

What is an iodophor?

Answer 16

Its an EPA- registered intermediate-level hospital disinfectant.

Question 17

What’s a liquid sterilant?

Answer 17

Its a disinfectant that’s used at room temperature for items that are damaged by heat-sterilization.

Question 18

What is a low-level disinfectant?

Answer 18

Its a disinfectant that destroys certain viruses and fungi; it’s used for general housecleaning (e.g walls, floors).

Question 19

What is precleaning?

Answer 19

Its when you remove a bioburden before using disinfectants, whether it be soap and water or a disinfectant.

Question 20

What is residual activity?

Answer 20

It’s the action that continues long after the initial application, as with disinfectants.

Question 21

What is reuse life?

Answer 21

Its the time period that a disinfectant remains effective during use and reuse.

Question 22

What is shelf life?

Answer 22

Its how long a product can be stored for before its use.

Question 23

What are single-use items?

Answer 23

These are items that are used on only one patient and then thrown away (e.g syringes, face masks, surface barriers, examination/procedure gloves etc.).

Question 24

What is sodium hypochlorite?

Answer 24

It’s a surface disinfectant known as household bleach?

Question 25

What is a splash, splatter, and droplet surface?

Answer 25

Its a surface that dose not come into contact with the dental team or contaminated instruments or supplies (e.g. countertops)

Question 26

What is a sporicidal?

Answer 26

Capable of killing bacterial spores.

Question 27

What is sterilization?

Answer 27

Its a process that kills microorganisms.

Question 28

What is a surface barrier?

Answer 28

It’s a fluid-resistant material that covers surfaces that most like will become contaminated.

Question 29

What is synthetic phenol compound?

Answer 29

Its an EPA registered intermediate-level hospital disinfectant with broad-spectrum disinfecting action.

Question 30

What is a touch surface?

Answer 30

It’s a surface that’s directly touched and contaminated during a procedure.

Question 31

What is tuberculocidal?

Answer 31

Capable of inactivating tuberculocidal-causing microorganisms.

Question 32

What is virucidal?

Answer 32

Capable of killing some viruses.

Question 33

What are transfer surfaces?

Answer 33

These are surfaces that are not directly touched, but come into contact with contaminated instruments.