CH 10 QUIZ Flashcards
What refers to the complete destruction of all living organisms, including bacterial spores and viruses? (Page 10-13)
- Cleansing
- Sanitization
- Sterilization
- Disinfection
Sterilization
What autoclave is the most modern and economical to operate and requires the least time to sterilize a single load? (Page 10-15)
- Postvacuum, high-temperature
- Prevacuum, high-temperature
- Prevacuum, low-temperature
- Postvacuum, low-temperature
Prevacuum, high-temperature
Glutaraldehydes of 2 to what percent are FDA-registered? (Page 10-4)
- 3.2
- 3
- 8
- 4.8
3.2
What type of test was developed for prevacuum sterilizers to determine if the air has been removed from the chamber during the prevacuum stage? (Page 10-15)
- Doug-Deacon
- Bowie-Dick
- Marty-Bow
- Jack-clark
Bowie-Dick
Ultrasonic cleaning time should be limited to how many minutes to avoid damage to instruments? (Page 10-9)
- 15
- 5
- 10
- 30
5
Within how many minutes of exposure is iodophors biocidal activity accomplished? (Page 10-4)
- 10-25
- 30-45
- 1-5
- 40-60
10-25
What is the most dependable and economical method of sterilization? (Page 10-14)
- Mopping
- Steam under pressure (autoclave)
- Ultrasonic
- Bleach
Steam under pressure (autoclave)
Under what guidelines should anesthetic cartridges for nonsurgical use be dispensed to prevent contamination of bulk supplies? (Page 10-6)
- Unit dose
- Standard dose
- Patient dose
- Sterile dose
Unit dose
Chlorine dioxide has a rapid action of 3 minutes for disinfection or how long for sterilization? (Page 10-4)
- 15 minutes
- 6 hours
- 45 minutes
- 3 hours
6 hours
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? (Page 10-15)
- 190°F
- 270°F
- 320°F
- 450°F
270°F
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? (Page 10-9)
- Cavitation
- Bublejet
- Surging
- Cogitation
Cavitation
How often should HVE and saliva ejector tubing and cuspidor be flushed with a central evacuation system cleaner? (Page 10-6)
- Weekly
- Daily
- Yearly
- Monthly
Weekly
What does the sterilization process take place in? (Page 10-7)
- RCS
- DSR
- RDS
- CSR
CSR
What process is safer and more effective than manual scrubbing? (Page 10-9)
- Scouring
- Sterilization
- Ultrasonic
- Brushing
Ultrasonic
What is the highest level of contamination control because it results in the total destruction of all forms of microbial life? (Page 10-1)
- Cleaning
- Sterilization
- Disinfection
- Sanitization
Sterilization
Heat sealed overwrapping will extend a 30 day shelf life to how many days? (Page 10-11)
- 365
- 90
- 45
- 180
180.
At least what-level disinfection do all non-critical category items require? (Page 10-6)
- Moderate
- High
- Intermediate
- Low
Intermediate
At what temperature are all known organisms killed? (Page 10-15)
- 872°F
- 250°F
- 350°F
- 150°F
250°F
Disinfection is achieved by either chemical or what other means? (Page 10-1)
- Aerosols
- Heat
- Cleansing agents
- Cold
Heat
What kills disease causing micro-organisms but is a less lethal process than sterilization? (Page 10-1)
- Sanitization
- Disinfection
- Cleansing
- Decontamination
Disinfection
How often will all Navy prevacuum sterilizers be tested using the Bowie-Dick type test? (Page 10-15)
- Quarterly
- Weekly
- Monthly
- Daily
Daily
Effective and preferred methods of sterilization are the steam autoclave, dry heat oven, chemical vapor, or what else for surgical instruments? (Page 10-19)
- Aledyhide oxide
- Ultrasonic
- Chlorine
- Ethylene oxide
Ethylene oxide
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? (Page 10-18)
- 10
- 8
- 16
- 12
16
The three most commonly used sterilization monitors in the Navy are physical, chemical, and what other monitors? (Page 10-19)
- Nuclear
- Bleach
- Biological
- Radiological
Biological
What type of monitoring involves looking at the gauges and readings on the sterilizer and recording the temperatures, pressure, and exposure time? (Page 10-20)
- Physical
- Chemical
- Journal
- Routine
Physical
What type of monitoring (internal and external) involves the use of a heat-sensitive chemical that changes color when exposed to certain conditions? (Page 10-20)
- Physical
- Biological
- Chemical
- Liquid
Chemical
What is the least expensive form of heat sterilization? (Page 10-16)
- Radioactive heat
- Wet heat
- Ultrasonic heat
- Dry heat
Dry heat
What is the only liquid chemical, if properly used, that is capable of rendering an item sterile? (Page 10-19)
- Aldehyde
- Bleach
- Glutaraldehyde
- Chlormodahyde
Glutaraldehyde
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? (Page 10-16)
- 90
- 30
- 150
- 20
20
What are chemical dyes that change color when exposed to steam, dry heat, or chemical vapor for a specified period of time? (Page 10-20)
- Chemical heat indicators
- Internal indicators
- Chemical indicators
- Color indicators
Internal idicators
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? (Page 10-16)
- 90
- 30
- 60
- 45
90
To be considered sterile how many hours must items be totally submerged in a glutaraldehyde solution? (Page 10-19)
- 6
- 12
- 8
- 10
10
