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47 Cards in this Set
- Front
- Back
____ is a less lethal process than sterilization, which kills disease causing micro-organisms. This (does/ does not) include the destruction of resistant bacterial spores.
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Disinfection
does not include the destruction of resistant bacterial spores. |
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The ______ classifies disinfectants as __, __ and __ level, based on the effectiveness and contact time of the solution and the biocidal activity of an agent against bacterial spores, mycobacterium tuberculosis, lipid and nonlipid viruses, and vegetative bacteria.
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Environmental Protection Agency (EPA)
high, intermediate, or low |
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Glutaraldehydes of 2 to 3.2 percent are FDA-registered, classified as ___level disinfection.
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high-level disinfection
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Chlorine dioxide二氧化氯 is an effective surface disinfectant or sterilant. These solutions may be used for ___ level disinfection of ___ items that are not subject to corrosion.
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high-level disinfection
semi-critical items |
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chlorine dioxide must be discarded ____ (how often?); has a ____ use life as a sterilant消毒剂; and does not readily penetrate organic debris.
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daily, 24-hour,
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Iodophors are classified as ____ level disinfectants or can be used as antiseptics if the product label claims tuberculocidal (lethal to mycobacterium tuberculosis) activity.
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intermediate level
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Phenolics酚醛树脂 are also classified as an _____level disinfectant, provided the product label indicates a claim to tuberculocidal activity.
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intermediate-level
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All semi-critical category items should receive ___level disinfection.
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high-level
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All non-critical category items require at least ____level disinfection.
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intermediate-level
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The ____ processor is the safest method and provides an effective cleaning process.
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automated washer processor
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____ process is safer and more effective than manual scrubbing.
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Ultrasonic cleaning process
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____ is effective for cleaning instruments when automated washer processor or ultrasonic cleaning units are not available.
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Manual scrubbing
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_____ (which way?) is the most dependable and economical method of sterilization.
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Steam under pressure autoclave 高压灭菌器
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Nosocomial Infection Control Program
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BUMEDINST 6220.9 Series
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Time-related shelf life for Paper envelop (sealed with sterilization tape)
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365 days
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Time-related shelf life for Nonwoven blue wrap
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30 days
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Time-related shelf life for Nonwoven blue wrap, plastic covered, heat-sealed
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365 days
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Time-related shelf life for Dennison Wrap
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30 days
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Time-related shelf life for Glass test tubes with screw caps
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Indefinite
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______ was developed for pre-vacuum sterilizers to determine if the air has been removed from the chamber during the pre-vacuum stage.
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Bowie-Dick type test 鲍伊迪克类型测试
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The item to be sterilized must be totally submerged in the glutaradehyde 戊二醛 solution for ___ hours. Anything shorter than that time is disinfection.
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10 hours
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Dry heat sterilization, the T must be ____ (Temp and Time)
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320 F to 345 F (90 minutes).
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Chemical vapor sterilization requires __ minutes at ___F with ___ psi when instruments are either unwrapped or bagged.
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20-40 minutes at 270 F
20 psi |
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____ gas uses relatively low temperatures for sterilization. Using a heated unit, sterilization can be achieved in ___ hours at ____F.
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Ethylene oxide (ETO)
4- 12 hours at 120°F |
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Three most commonly used sterilization monitors in the Navy are ___, ___ and ___ monitors.
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physical, chemical, and biological monitors
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How many and what stages are in an Operating Cycle?
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5 stages:
Vacuum Stage: Removes air molecules and lowers chamber pressure Injection Stage: Introduces hydrogen peroxide into the chamber Diffusion Stage: Hydrogen peroxide vapor to penetrate packages Plasma Stage: A radio frequency creates the electromagnetic field that converts the hydrogen peroxide into low temperature gas plasma Vent Stage: Permits air into the chamber to return to atmospheric pressure |
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10-3. What two types of micro-organisms are killed by all three levels of disinfection?
1. Bacterial spores and nonlipid viruses 2. Tubercle bacillus and lipid viruses 3. Lipid viruses and vegetative spores 4. Lipid viruses and vegetative bacteria |
4. Lipid viruses and vegetative bacteria
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10-4. What are the three factors that influence germicidal procedures?
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Bioburden, nature of the material, and organic debris present
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10-5. What levels of a glutaraldehyde-based solution are FDA registered?
1. 2.0-3.2 2. 2.3-2.0 3. 1.0-2.0 4. 2.5-2.6 |
1. 2.0-3.2
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10-17. What cleaning process is safer and more effective than manual scrubbing?
1. Dip tank only 2. Ultrasonic only 3. Automated processor 4. Both 2 and 3 above |
4. Both 2 and 3 above
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10-18. How many sinks are needed to allow personnel to perform the manual scrubbing method?
1. One 2. Two 3. Three 4. Four |
3. Three
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10-19. What type of cleaning effect does an ultrasonic cleaner provide?
1. Cavitation 2. Positive 3. Gravity 4. Ion |
1. Cavitation 气蚀
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10-20. For proper operation, the ultrasonic reservoir should be filled to what level with an ultrasonic solution?
1. 2” from the bottom 2. 2” from the top 3. 1/4 to 3/4’s full 4. 1/2 to 3/4’s full |
4. 1/2 to 3/4’s full
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10-22. You should remove instruments from the ultrasonic unit by which of the following means?
1. Your hands 2. Mesh basket 3. Instrument tongs 4. Ultrasonic retriever |
2. Mesh basket
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10-26. The period during which sterilized items are considered safe for use is known by which of the following terms?
1. Safe zone 2. Event-rotated shelf life 3. Expiration date only 4. Both 2 and 3 above |
4. Both 2 and 3 above
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10-27. What type of related shelf life presumes continued sterility until the package is damaged, wet, or torn?
1. Pack 2. Time 3. Event 4. Damaged |
3. Event
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10-30. What occurs when freshly sterilized items are placed on metal or cold surfaces?
1. Contamination 2. Become oily 3. Nothing 4. Stick |
1. Contamination
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10-31. When storing sterilized items, how should they be arranged?
1. Alphabetically 2. Expiration, with later dates toward the front 3. Expiration, with later dates toward the rear 4. Contents only, with later dates toward the front |
3. Expiration, with later dates toward the rear
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10-33. A steam sterilizer may be referred to by what other name?
1. Old rusty 2. Autoclave 3. Autosteam 4. Dry heat |
2. Autoclave
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10-35. What type of sterilizer was designed to overcome the trapping of air in the chamber?
1. Air-free 2. Dry heat 3. Chemical vapor 4. Prevacuum steam |
4. Prevacuum steam
The prevacuum steam sterilizer (Fig. 10-10) was designed to help overcome the trapping of air in the chamber. |
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10-36. What is the least expensive form of heat sterilization?
1. Air free 2. Dry heat 3. Chemical 4. Gravity displacement |
2. Dry heat
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10-37. All Navy prevacuum sterilizers will be tested how often using a Bowie- Dick type test?
1. Quarterly 2. Monthly 3. Weekly 4. Daily |
4. Daily
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10-42. What type of sterilization is STERRAD?
1. Prevacuum 2. Gravity 3. Sterris 4. Plasma |
4. Plasma
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10-43. What type of sterilization indicator will change color upon short exposure to sterilizing conditions such as steam, dry heat, or chemical vapor?
1. Internal 2. Incubator type 3. Biological 4. Both 1 and 2 |
1. Internal
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10-44. What type of sterilization monitor will assess whether sterilization actually occurred?
1. Internal 2. External 3. Universal 4. Biological |
4. Biological
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10-45. What is the first step to be performed when positive biological monitoring occurs?
1. Notify biomedical repair personnel 2. Notify commanding officer 3. Notify ICO 4. Notify CO |
3. Notify ICO
Infection control officer |
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_____ monitoring involves looking at the gauges and readings on the sterilizer and recording the temperatures, pressure, and exposure time.
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Physical monitoring
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