Micro Chapter 16,17,20

Question 1

Aseptic techniques

Answer 1

Prevents or reduces spread of MO’s from one site to another

Question 2

Best practice in terms of gloves is

Answer 2

Removing contaminated gloves before leaving chair side during patient care

Question 3

Before patient care begins you should

Answer 3

Dispense all items needed at chair side

Question 4

When donning PPE what should be put on last and why

Answer 4

Gloves; to avoid unnecessary contaminates to clients mouth

Question 5

When donning/doffing glasses and face shield

Answer 5

Touch only the ear rest or headband

Question 6

If hands become contaminated stop and

Answer 6

Perform hand hygiene

Question 7

Touch only the elastic bands/ties when

Answer 7

Donning/doffing masks and respirators

Question 8

When removing the gown only touch

Answer 8

Only the inside; unfasten ties in the back, pull gown away from neck, shoulders and arms

Question 9

Aerosols are generated during use of

Answer 9

High and low speed handpieces, ultrasonic scalers, and air water syringes

Question 10

Aerosols may contain MO’s and may evaporate into what and may be inhaled where?

Answer 10

Droplet nuclei; in the air sacs or alveoli or remain airborne for extended periods of time

Question 11

Spatter consists of? Can settle where?

Answer 11

Particles larger than 50um and can settle anywhere

Question 12

Minimizing dental aerosols and spatter

Answer 12

High volume evacuation
Rubber dam
Proper positioning of clients head

Question 13

The have system should be cleaned at the end of the day by evacuating what through the system

Answer 13

Detergent or water based detergent-disinfectant

Question 14

What should you never evacuate through the hve system

Answer 14

Bleach

Question 15

Creating a seal around the saliva ejector can cause

Answer 15

Back flow

Question 16

What is the best combination/approach to minimize dental aerosols and spatter

Answer 16

Hve+rubber dam

Question 17

Pre procedural mouthrinses lowers

Answer 17

The number of MO’s that may escape a clients mouth during treatment

Question 18

Mouth rinse with a long lasting antimicrobial agent can reduce the level of oral MO’s for how long

Answer 18

Up to 5 hours

Question 19

Examples of pre procedural rinses

Answer 19

Chlorhexidine, iodophors

Question 20

Examples of disposables / single use items

Answer 20

Injection needle, anesthetic carps, air water syringe tips, HVE tips

Question 21

What is aseptic retrieval

Answer 21

Retrieving a single item from a container without contaminating other items in container

Question 22

Only what kind of film packets can be disinfected

Answer 22

Plastic film packets

Question 23

Hand hygiene is achieved through the use of

Answer 23

Alcohol based hand rub (ABHR) or washing hands with soap and water

Question 24

Clinic attire (scrubs/labcoats) is not intended to function as

Answer 24

Protection against a hazard where spatter or spray is anticipated

Question 25

What are to be worn if there is potential exposure to body fluids

Answer 25

Gowns

Question 26

TCDHA: level 2 masks are worn when

Answer 26

Non aerosol procedures

Question 27

TCDHA: KN95 masks are used

Answer 27

For aerosol generating procedures

Question 28

The most important method of preventing transmission of illness is through

Answer 28

Proper hand hygiene

Question 29

Critical equipment

Answer 29

Enters sterile body site or vascular system; must be cleaned and sterilized

Question 30

Semi critical

Answer 30

In contact with mucous membranes or non intact skin; cleaned and sterilized

Question 31

Non critical items must be cleaned and undergo

Answer 31

Low level disinfection

Question 32

No more than how many layers of cassettes are to be placed in ultrasonic at one time

Answer 32

2 layers

Question 33

All instruments go into the ultrasonic baths for how many minutes to remove debris prior to sterilization

Answer 33

10 minutes

Question 34

After instruments are removed from ultrasonic baths they are rinsed and dried with a

Answer 34

Lint free cloth

Question 35

Sealable pouches contain what on the outside of the pouch and what on the inside

Answer 35

Class 1 indicator on outside
Class IV inside

Question 36

Students are to place what in each cassette and pouch

Answer 36

Class V strip

Question 37

Physical or mechanical indicators refer to

Answer 37

Gauges on sterilizers

Question 38

Chemical indicators use chemicals to assess the physical conditions such as

Answer 38

Time
Temperature
And presence of steam

Question 39

Internal indicators show

Answer 39

That the item has been exposed to steam for a minimum amount of time

Question 40

External indicators show that a

Answer 40

Pouch or cassette has been processed

Question 41

Spore testing is the

Answer 41

Biological testing of the sterilizers efficacy

Question 42

Sterilizer tape is an example of

Answer 42

Class I indicator

Question 43

At TCDHA all dental unit waterlines are purged at the beginning of each clinic session for how long

Answer 43

2-3 minutes

Question 44

At TCDHA handpieces and piezo attachments used during client care are run for

Answer 44

20-30 seconds

Question 45

Instruments are not to be sharpened

Answer 45

While the client is in the chair

Question 46

At TCDHA a white sticker is used for

Answer 46

Pouches only

Question 47

To qualify a sterilizer it must have

Answer 47

3 consecutive negative results in 3 empty chamber tests

Question 48

PCD IS

Answer 48

process challenging device