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sterile processing > Sterile Processing CRCST Exam > Flashcards

Sterile Processing CRCST Exam Flashcards

1
Q

What is the process by which Ethylene Oxide sterilization destroys microorganisms?

A

Alkylation

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2
Q

Which is NOT an essential parameter of steam sterilization?

A

Gas Concentration

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3
Q

What fabric made from 140-thread-count 100% cotton was once the most widely used material in the manufacture of sterilization wrap?

A

Muslin

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4
Q

What method of sterilization was once used for items which needed to be pyrogen-free?

A

Dry Heat

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5
Q

What device renders ozone harmless and allows it to be safely vented back into the atmosphere?

A

Catalytic converter

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6
Q

Flash sterilization is known as a point-of-use or just just-in-time sterilization. What other sterilization method falls into this category?

A

Peracetic Acid

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7
Q

What class of chemical indicators would a Bowie-Dick test fall into?

A

Class 2

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8
Q

What type of sterilization monitoring refers to devices impregnated with a known number and type of spores to verify all conditions for sterilization have been met?

A

Biological monitoring

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9
Q

What is the name for the process which draws bacteria out of hands when they touch inadequately cooled packages?

A

Wicking

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10
Q

TRUE or FALSE: Sterilizer carts should be pushed not pulled from an Ethlyene Oxide sterilizer to an exterior aerator to avoid the inhalation of fumes?

A

FALSE

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11
Q

What type of non-woven textile consists of two wrappers bonded together at the edges?

A

Simultaneous wrap

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12
Q

What type of chemical indicator tests all critical parameters of a sterilization cycle and are also known as integrators? (what class?)

A

Class 5

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13
Q

What does PCD stand for?

A

Process Challenge Device

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14
Q

What form does peracetic acid in single-dose containers come in?

A

Powder

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15
Q

What sterilizer has a total cycle time of approximately 4 hours?

A

Ozone

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16
Q

How much space should be left between items to be aerated after Ethlyene Oxide sterilization?

A

1 inch

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17
Q

What type of sterilization was used in the past to sterilize items such as petroleum ointment and powders, which are now available in single-use sterile packages?

A

Dry heat

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18
Q

The process by which EtO gas builds up back in a sterilizer chamber if items aren’t immediately aerated when a cycle is complete is known as what?

A

Desportion

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19
Q

At the end of the second prevaccum phase of a prevac steam sterilizer how much of the original air has been removed?

A

98%

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20
Q

What is the approximate exposure time for Ethlyene Oxide sterilization?

A

1 hour and 45 minutes

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21
Q

TRUE or FALSE: A BI test pack for an Ethlyene Oxide sterilization should be placed on the bottom of the load near the chamber drain

A

FALSE

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22
Q

What type of spore is used to test the Ethlyene Oxide sterilization?

A

Bacilius Atrophaeus

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23
Q

What must be used when processing flexible scopes in a peracetic acid system so that the sterilant will reach all areas?

A

Proper Adapter

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24
Q

Oxygen and purified water vapor are the waste products of what type of sterilizer?

A

Ozone

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25
Q

What is the exposure time for multiple items with lumens to be flashed sterilized?

A

10 minutes

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26
Q

Which is NOT a viable parameter for an Ethlyene Oxide sterilizers?

A

24 Hours at 72 degrees

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27
Q

Woven textiles are rarely used nowadays because they require…

A

inspection and patching

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28
Q

What results in super heating of steam sterilizer loads?

A

Not enough moisture

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29
Q

Linen packs should weigh no more than how many pounds?

A

12

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30
Q

Collection of data & identification of issues are part of what kind of program?

A

Quality assurance

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31
Q

The term PATHOGENIC means..

A

Disease-Producing

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32
Q

What color does Gram-Negative microorganisms stain?

A

Red or pink

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33
Q

What color does Gram-Positive microorganisms stain?

A

Blue or purple

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34
Q

What is NOT a requirement for bacteria to survive?

A

Bright light

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35
Q

Blood-borne pathogen exposure is regulated by who?

A

OSHA

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36
Q

Which concentration is most effective in alcohol hand sanitizers?

A

60-95%

37
Q

Which of the following refers to disease producing microorganisms

A

Pathogens

38
Q

A solution is considered neutral when the pH is at what number?

A

7

39
Q

A solution having a pH of 9 is what?

A

Alkaline

40
Q

What is the temp. range for enzymatic cleaners?

A

109-140 degrees

41
Q

The mechanical action in the automated cleaning process that uses sound waves and imploding bubbles is called?

A

Cavitation

42
Q

What material can be used as a simple test to check the functioning of the ultra sonic cleaner?

A

Aluminium foil

43
Q

The process that kills most microorganisms but not necessarily spores is known as:

A

High-Level disinfectant

44
Q

Which level of disinfectant is needed for the destruction of HIV?

A

Low-Level

45
Q

Sodium hypocholorite belongs to what class of disinfectant?

A

Halogens

46
Q

Which of the following disinfectant should NEVER be used as an environmental disinfectant?

A

Glutaraldehyde

47
Q

Which sterilization method is suitable for the following packaging materials: textiles, non-wovens, polyolefin wraps, paper-plastic pouches and rolls, Tyvek (all-plastic) pouches, polyethylene, and most rigid sterilization containers

A

Ethlyene Oxide

48
Q

Which sterilization method is suitable for the following packaging materials: polyolefin wraps, Tyvek (all-plastic) pouches, and certain rigid sterilization containers

A

Low-Temperature Gas Plasma (LTGP)

49
Q

Which sterilization method is suitable for the following packaging materials: Metal and glass containers, aluminum foil, glassine envelopes

A

Dry Heat

50
Q

Which sterilization method is suitable for the following packaging materials: Non-woven cellulosic wrap (paper) and certain containers

A

Ozone

51
Q

Which of the following pieces of equipment is used in the prevention of blood clots?

A

Sequential compression device

52
Q

Which series of stainless steel is used to manufacture malleable retractors?

A

300

53
Q

The weakest part of the instrument is/are the:

A

Box Lock

54
Q

The weakest part of the instrument is/are the:
Box Lock
What is the most difficult part of a hemostat to clean?

A

Box Lock

55
Q

What is the FINAL stage in manufacturing a surgical grade instrument?

A

Passivation

56
Q

Scissors with black handles are often referred to as:

A

Super Sharps

57
Q

The layer of a surgical instrument created by the passivation process is called:

A

Chromium oxide

58
Q

What type of finish on a surgical instrument is used for laser procedures?

A

Ebonized

59
Q

Black dots in a fiber optic light cable indicate:

A

There is damage to the glass rods

60
Q

The air flow in the preparation and packaging area must be maintained at:

A

Positive Pressure

61
Q

contaminated items should be transported in what?

A

enclosed containers or carts

62
Q

An inanimate object that can transmit bacteria

A

fomite

63
Q

what is the requirements for cleaning of the floors in SPD?

A

Floors should be mopped daily

64
Q

what agency would approve the disinfectants used on floors and walls in SPD?

A

Environmental Protection Agency (EPA)

65
Q

A patients contracts an infection from an improperly sterilized surgical instrument. This is an example of..

A

A nosocomial infection

66
Q

the growth of a pathogenic bacteria in living tissue is called..

A

Sepsis

67
Q

Health care workers are more likely to be infected by what disease?

A

Hepatitis B

68
Q

A tray of instruments have been brought down to decontam. in a saline solution. What action should the tech take?

A

Rinse them with water and clean them in the usual manner.

69
Q

Plastic sterilization bags are generally used to package what?

A

respiratory therapy items

70
Q

Simultaneous wrapping means to wrap an instrument set with….

A

a single non-woven wrapper, double ply, bonded at edges

71
Q

If a tech’s skin is exposed to liquid ethlyene oxide, what should they do FIRST?

A

wash exposed area with large amounts of soap and water

72
Q

Ambient aeration refers to aeration that takes place in what?

A

an open space at room temp.

73
Q

In which distribution system are requisitions filled and delivered as they are received?

A

Demand

74
Q

What is the MOST important factor in preventing bacteria from contaminating sterile packaging?

A

Handling of packages

75
Q

What is MOST efficient and cost-effective method for inventory control in the SPD ordering and data generation?

A

computerized inventory control system

76
Q

What is the recommended temp for decontamination?

A

60-65 degrees

77
Q

A surface-acting agent that lowers the surface tension of a liquid so it can penetrate deeper and prevents debris from being re-deposited on the item to which the soil was attached is called a:

A

Surfactant

78
Q

The desired flow of materials in a Central Service Department; from soiled to clean to sterile.

A

One-way work flow

79
Q

The healthcare department responsible for researching, and managing inventory (consumable supplies).

A

Material Management

80
Q

The most commonly used method of sterilization used in healthcare facilities is what?

A

Steam Sterilization

81
Q

This type of steam sterilizer is used for sterilizing liquids.

A

Gravity Air Displacement Sterilizer

82
Q

The process of sterilizing an item that is packaged.

A

Terminal Sterilization

83
Q

The process by which a device is actively subjected to moving air to facilitate the removal of ethylene oxide gas.

A

Aeration

84
Q

What is the name of the spore used to test H202 sterilizers?

A

Geobacillus stearothermophilus

85
Q

This government agency works to prevent and control disease

A

Centers for disease control

CDC

86
Q

Humidity in Decontam should be at what percentage?

A

30-70%

87
Q

proteolytic enzymatic cleaners do what?

A

Remove protein material

88
Q

lipolytic enzymatic cleaner does what?

A

Removes fatty material

sterile processing (1 decks)

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