Flashcards For Lecture 4

Front 1

What is the time and temperature needed for static dry heat sterilization?

Back 1

320 degrees for 1-2 hours

Front 2

What is the time and temperature needed for dry heat forced air (Statim)?

Back 2

375 degrees for 12 minutes

Front 3

What is the temperature and time needed for steam autoclave sterilization?

Back 3

250 degrees for 30 minutes

Front 4

What is the time and temperature needed for chemical vapor sterilization?

Back 4

270 degrees for 20 minutes

Front 5

Which BI will you use to determine effectiveness of dry heat sterilizer--both static and forced (Statim)?

Back 5

Bacillus atrophaeus

Front 6

Which BI is used to determine effectiveness of autoclave and chemical vapor sterilization?

Back 6

Geobacillus stearothermophilus

Front 7

True or False: An unsaturated chemical vapor sterilizer can be used to sterilize gauze.

Back 7

False, it will absorb the chemical.

Front 8

True or False: An autoclave can be used to sterilize gauze.

Back 8

True

Front 9

So that a carbon steel dental instrument does not corrode, it would be best to use what kind of sterilizer?

Back 9

Chemical Vapor Sterilizer

Front 10

True or False: A Statim machine is a form of dry heat sterilizing.

Back 10

True

Front 11

The length of time needed to sterilize an item in "cold" sterilization if, what it is made from prohibits it from being put in autoclave.

Back 11

10 hours

Front 12

Which chemical is used to "sterilize" in a cold sterilization set up?

Back 12

Glutaraldahyde

Front 13

The type of sterilizer that takes the 2nd next longest time to sterilize items (cold sterilization is longest)

Back 13

Static dry heat--1-2 hours

Front 14

What method of sterilization achieves the highest temperature?

Back 14

dry heat forced (Statim) at 375 degrees.

Front 15

True or False: Stainless steel instruments can be sterilized in steam autoclaves.

Back 15

True

Front 16

What is the best sterilizer to sterilize carbon steel instruments in so they will not corrode?

Back 16

Chemical Vapor

Front 17

Which type of sterilizer would you sterilize a container with closed top and bottom to achieve sterility?

Back 17

Dry Heat (forced)

Front 18

Flash sterilization is the best way to achieve sterility and should be used routinely. True or False?

Back 18

False

Front 19

Why do you need to flush the high-speed handpiece with water after every patient?

Back 19

Flushes out foreign materials and brings fresh water into the system. Anti-retraction valves can fail so is a safety net.

Front 20

The main reason to package instruments is to cut down on time for sterilizing. True or False?

Back 20

False

Front 21

The main reason to wrap instruments prior to sterilization is to maintain sterility after they are sterilized. True or False?

Back 21

True

Front 22

The only way to prove sterilization is to use __________.

Back 22

BI Monitoring with spores that are harmless but prove sterility.

Front 23

Critical items can be considered sterile if they are cleaned and then a high level disinfectant is used. True or False?

Back 23

False

Front 24

The best reason to pre-clean a scaler with plaque on it is to give the sterilization procedure the best chance to work. True or False?

Back 24

True

Front 25

Pre-cleaning eliminates the need for packaging. True or False?

Back 25

False. the main point of sterilizing is to keep instruments sterile after sterilizing.

Front 26

What active chemical is used in the chemical vapor sterilizer?

Back 26

Formaldehyde

Front 27

What is main criteria for choosing method of sterilization?

Back 27

What the item is made from

Front 28

I can disinfect a mouth mirror that the patient touched with his hand (was not near the mouth) with a low level disinfectant. True or False

Back 28

True. It is non-critical since it only touched intact skin.

Front 29

If the chemical indicator on the inside of the bag turns color, it means what?

Back 29

The item has been processed through a heat sterilizer. It does not mean sterilization has been achieved or that pressure, time and temp. were maintained.

Front 30

True or False: Wicking means the drawing of microbes or other particles through material that is wet.

Back 30

True

Front 31

Wicking is avoided by what?

Back 31

Allowing wet packages to dry before handling.

Front 32

Yes or NO. Do correct readings such as pressure and temperature shown on the guages mean sterilization is achieved?

Back 32

No, Only way to say with certainty that something is sterile is to use BI monitoring.

Front 33

Mechanical monitoring is an effective method of detecting if sterilization has occurred. True or False

Back 33

False. Smelling, looking, listening and observing are part of mechanical monitoring but is only aa part of the process.

Front 34

What is an example of chemical monitoring in heat sterilization?

Back 34

Color change on package that was sterilized.

Front 35

True or False: Liquids can be sterilized and there is a way to determine if they are sterile?

Back 35

False. There is no way to determine if liquids are sterile and no method to do so.

Front 36

True or False: Always package instruments for flash sterilization?

Back 36

False.

Front 37

True or False: The CDC recommends that flash sterilization can be used routinely for handpieces in the dental office.

Back 37

False