Exam 4

Question 1

Disinfection

Answer 1

killing/inactivating microorganisms but NOT the spores

Question 2

immersion disinfection

Answer 2

soaking

Question 3

Surface disinfectant

Answer 3

spraying

Question 4

3 classifications of disinfectants

Answer 4

High Level, Intermediate and Low

Question 5

High Level

Answer 5

inactivates spores and all bacteria

Question 6

Intermediate Level

Answer 6

destroys vegetative bacteria and most viruses (Mycobacterium Tuberculum)

Question 7

Low level

Answer 7

sanitizer, kills vegatative bacteria and certain lipid-type viruses

Question 8

What are the 2 ways disinfectants work

Answer 8

1. disrupts cells physical make-up
2. Blocks energy- yielding and synthetic process

Question 9

What is the importance of removing bioburden prior to disinfection

Answer 9

the organic material in saliva and blood can inactivate chemicals in the disinfectant and the microorganism can insulate themselves in it

Question 10

6 properties of an ideal disinfectant

Answer 10

-sporicidal (sterilant)
-tuberculocidal
-bactericidal
-hospital disinfectant
-viricidal
-fungicidal

Question 11

Which disinfectant is used in dentistry

Answer 11

intermediate

Question 12

When do you disinfect?

Answer 12

-on clinical contact surfaces (not barriered)
-items that can not be heat sterilized

Question 13

“Bactericidal” and examples of this

Answer 13

-kills at least some bacteria
-iodophors, phenolics, hydrogen peroxide and chlorines

Question 14

What are clinical contact surfaces

Answer 14

surfaces at or around the chair during treatment

includes: touch and transfer surfaces

Question 15

touch surfaces

Answer 15

directly touched during treatment; needs to be disinfected or barriered

Question 16

transfer surfaces

Answer 16

surfaces that touch something that has been contaminated (like a counter top)

Question 17

Housekeeping surfaces

Answer 17

surfaces around the unit that may be contaminated but are not directly contaminated, may has remnant of aerosols/ spatter

Question 18

Describe the spray-wipe-spray method

Answer 18

spray the cleaner then wipe it (preclean), then spray the disinfectant again and let sit for the indicated amount of time

Question 19

What is the purpose of precleaning

Answer 19

precleaning will break down the extra layer of bioburden so the disinfectant will be more effective

Question 20

bioburden

Answer 20

saliva or blood

Question 21

biofilm

Answer 21

a mass of microorganisms attached to a surface exposed to moisture ; commonly found in waterlines if not maintained properly

Question 22

What is the rationale for maintaining waterlines

Answer 22

its essential for maintaining high quality patient care

Question 23

waste management

Answer 23

the handling of waste in a facility

Question 24

what is the EPA’s role in waste management

Answer 24

-governs the disposal of infectious waste
-workplace exposure levels for chemicals, heat and radiation

Question 25

What is OSHAs role

Answer 25

they make regulations concerning blood-borne pathogens, hazardous material and safe use of chemicals

Question 26

What are the 2 main types of waste

Answer 26

regulated and nonregulated

Question 27

what is regulated waste

Answer 27

waste that needs careful disposal as it contains blood or OPIM

Question 28

Sharps conatiners

Answer 28

-must be puncture resistant -must be red and labeled -must be leak proof -must have a fill line (once this is reached the sharpers must be disposed of within 7 days)

Question 29

Biohazard containers

Answer 29

-must be covered -must be red and labeled -must be readable from a distance of 5 ft

Question 30

What is nonregulated waste

Answer 30

waste that is not shown to have a disease-producing potential; can be disposed on with non-medical garbage

Question 31

hazardous waste

Answer 31

waste posing a risk to humans or environment

Question 32

toxic waste

Answer 32

waste capable of having a poisonous effect

Question 33

What is SDS

Answer 33

-Safety Data Sheet -provides info on a specific product (the handling toxicity, health effects, first aid, reactivity, storage, spill/leak procedures, protective equipment) -these are required for each chemical within a facility

Question 34

Who regulates SDS

Answer 34

OSHA

Question 35

what are "engineering controls"

Answer 35

devices that reduce the risk of exposure to potentially infectious material

Question 36

OSHA Hazard Communication Standard

Answer 36

someone in the office is required yearly to go over... -the sds -explanation of hazardous chemicals (handling, labeling, how they are used ) -exit routes in an emergency

Question 37

how long does the office keep the Communication standard records and what should it include

Answer 37

-records should be kept for 3 years -should includes who did the review, who attended and the date

Question 38

What is the purpose of the office safety program

Answer 38

to keep the office updated and in the most recent findings

Question 39

all employees must know...

Answer 39

1. OSHA regulations (BB pathogens, hazardous material and safe use of chemicals) 2.EPA standards (workplace exposure levels) 3.State requirements concerning sterilization, disinfection, and med waste management 4.CDC guidelines 5.ADHA guidelines 6. Post Exposure Protocol