NAVEDTRA 14295B CH 10

Question 1

What is the highest level of contamination control because it results in the total destruction of all forms of microbial life?

Answer 1

Sterilization

Question 2

What kills disease causing micro-organisms but is a less lethal process than sterilization?

Answer 2

Disinfection

Question 3

Disinfection is achieved by either chemical or what other means?

Answer 3

Heat

Question 4

Glutaraldehydes of 2 to what percent are FDA-registered?

Answer 4

3.2

Question 5

Chlorine dioxide has a rapid action of 3 minutes for disinfection or how long for sterilization?

Answer 5

6 hours

Question 6

Within how many minutes of exposure is iodophors biocidal activity accomplished?

Answer 6

10 to 25

Question 7

How often should HVE and saliva ejector tubing and cuspidor be flushed with a central evacuation system cleaner?

Answer 7

Weekly

Question 8

Under what guidelines should anesthetic cartridges for nonsurgical use be dispensed to prevent contamination of bulk supplies?

Answer 8

Unit dose

Question 9

At least what-level disinfection do all non-critical category items require?

Answer 9

Intermediate

Question 10

What does the sterilization process take place in?

Answer 10

CSR

Question 11

What process is safer and more effective than manual scrubbing?

Answer 11

Ultrasonic

Question 12

The ultrasonic cleaner uses electrical energy to generate sound waves. When the sound waves travel through the liquid, millions of tiny bubbles form and burst continuously. What is this process called?

Answer 12

Cavitation

Question 13

Ultrasonic cleaning time should be limited to how many minutes to avoid damage to instruments?

Answer 13

5

Question 14

Heat sealed overwrapping will extend a 30 day shelf life to how many days?

Answer 14

180

Question 15

What refers to the complete destruction of all living organisms, including bacterial spores and viruses?

Answer 15

Sterilization

Question 16

What is the most dependable and economical method of sterilization?

Answer 16

Steam under pressure (autoclave)

Question 17

What autoclave is the most modern and economical to operate and requires the least time to sterilize a single load?

Answer 17

Prevacuum, high-temperature

Question 18

At what temperature are all known organisms killed?

Answer 18

250°F

Question 19

All operating rooms are equipped with high-speed (flash) sterilizers. Wrapped, covered, opened instruments placed in perforated trays are “flash” sterilized for 3 minutes at what temperature?

Answer 19

270°F

Question 20

What type of test was developed for prevacuum sterilizers to determine if the air has been removed from the chamber during the prevacuum stage?

Answer 20

Bowie-Dick

Question 21

How often will all Navy prevacuum sterilizers be tested using the Bowie-Dick type test?

Answer 21

Daily

Question 22

What is the least expensive form of heat sterilization?

Answer 22

Dry heat

Question 23

How many minutes at 320-345°F plus the time required to preheat the chamber before beginning the sterilization cycle is a typical dry heat cycle?

Answer 23

90

Question 24

Chemical Vapor Sterilization requires 20-40 minutes at 270°F with what psi when instruments are either unwrapped or bagged following the manufacturer’s instructions?

Answer 24

20

Question 25

Ethylene oxide (ETO) gas uses relatively low temperatures for sterilization. Using a heated unit, sterilization can be achieved in 4-12 hours at 120°F. However, a lengthy aeration time of at least how many hours must follow each cycle?

Answer 25

16

Question 26

What is the only liquid chemical, if properly used, that is capable of rendering an item sterile?

Answer 26

Glutaraldehyde

Question 27

To be considered sterile how many hours must items be totally submerged in a glutaraldehyde solution?

Answer 27

10

Question 28

Effective and preferred methods of sterilization are the steam autoclave, dry heat oven, chemical vapor, or what else for surgical instruments?

Answer 28

Ethylene oxide

Question 29

The three most commonly used sterilization monitors in the Navy are physical, chemical, and what other monitors?

Answer 29

Biological

Question 30

What type of monitoring involves looking at the gauges and readings on the sterilizer and recording the temperatures, pressure, and exposure time?

Answer 30

Physical

Question 31

What type of monitoring (internal and external) involves the use of a heat-sensitive chemical that changes color when exposed to certain conditions?

Answer 31

Chemical

Question 32

What are chemical dyes that change color when exposed to steam, dry heat, or chemical vapor for a specified period of time?

Answer 32

Internal indicators