Sterile Processing CRCST Exam

Question 1

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

Answer 1

Alkylation

Question 2

Which is NOT an essential parameter of steam sterilization?

Answer 2

Gas Concentration

Question 3

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

Answer 3

Muslin

Question 4

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

Answer 4

Dry Heat

Question 5

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

Answer 5

Catalytic converter

Question 6

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

Answer 6

Peracetic Acid

Question 7

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

Answer 7

Class 2

Question 8

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?

Answer 8

Biological monitoring

Question 9

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

Answer 9

Wicking

Question 10

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?

Answer 10

FALSE

Question 11

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

Answer 11

Simultaneous wrap

Question 12

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

Answer 12

Class 5

Question 13

What does PCD stand for?

Answer 13

Process Challenge Device

Question 14

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

Answer 14

Powder

Question 15

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

Answer 15

Ozone

Question 16

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

Answer 16

1 inch

Question 17

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?

Answer 17

Dry heat

Question 18

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?

Answer 18

Desportion

Question 19

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

Answer 19

98%

Question 20

What is the approximate exposure time for Ethlyene Oxide sterilization?

Answer 20

1 hour and 45 minutes

Question 21

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

Answer 21

FALSE

Question 22

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

Answer 22

Bacilius Atrophaeus

Question 23

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

Answer 23

Proper Adapter

Question 24

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

Answer 24

Ozone

Question 25

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

Answer 25

10 minutes

Question 26

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

Answer 26

24 Hours at 72 degrees

Question 27

Woven textiles are rarely used nowadays because they require...

Answer 27

inspection and patching

Question 28

What results in super heating of steam sterilizer loads?

Answer 28

Not enough moisture

Question 29

Linen packs should weigh no more than how many pounds?

Answer 29

12

Question 30

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

Answer 30

Quality assurance

Question 31

The term PATHOGENIC means..

Answer 31

Disease-Producing

Question 32

What color does Gram-Negative microorganisms stain?

Answer 32

Red or pink

Question 33

What color does Gram-Positive microorganisms stain?

Answer 33

Blue or purple

Question 34

What is NOT a requirement for bacteria to survive?

Answer 34

Bright light

Question 35

Blood-borne pathogen exposure is regulated by who?

Answer 35

OSHA

Question 36

Which concentration is most effective in alcohol hand sanitizers?

Answer 36

60-95%

Question 37

Which of the following refers to disease producing microorganisms

Answer 37

Pathogens

Question 38

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

Answer 38

7

Question 39

A solution having a pH of 9 is what?

Answer 39

Alkaline

Question 40

What is the temp. range for enzymatic cleaners?

Answer 40

109-140 degrees

Question 41

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

Answer 41

Cavitation

Question 42

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

Answer 42

Aluminium foil

Question 43

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

Answer 43

High-Level disinfectant

Question 44

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

Answer 44

Low-Level

Question 45

Sodium hypocholorite belongs to what class of disinfectant?

Answer 45

Halogens

Question 46

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

Answer 46

Glutaraldehyde

Question 47

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

Answer 47

Ethlyene Oxide

Question 48

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

Answer 48

Low-Temperature Gas Plasma (LTGP)

Question 49

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

Answer 49

Dry Heat

Question 50

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

Answer 50

Ozone

Question 51

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

Answer 51

Sequential compression device

Question 52

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

Answer 52

300

Question 53

The weakest part of the instrument is/are the:

Answer 53

Box Lock

Question 54

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

Answer 54

Box Lock

Question 55

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

Answer 55

Passivation

Question 56

Scissors with black handles are often referred to as:

Answer 56

Super Sharps

Question 57

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

Answer 57

Chromium oxide

Question 58

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

Answer 58

Ebonized

Question 59

Black dots in a fiber optic light cable indicate:

Answer 59

There is damage to the glass rods

Question 60

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

Answer 60

Positive Pressure

Question 61

contaminated items should be transported in what?

Answer 61

enclosed containers or carts

Question 62

An inanimate object that can transmit bacteria

Answer 62

fomite

Question 63

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

Answer 63

Floors should be mopped daily

Question 64

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

Answer 64

Environmental Protection Agency (EPA)

Question 65

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

Answer 65

A nosocomial infection

Question 66

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

Answer 66

Sepsis

Question 67

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

Answer 67

Hepatitis B

Question 68

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

Answer 68

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

Question 69

Plastic sterilization bags are generally used to package what?

Answer 69

respiratory therapy items

Question 70

Simultaneous wrapping means to wrap an instrument set with....

Answer 70

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

Question 71

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

Answer 71

wash exposed area with large amounts of soap and water

Question 72

Ambient aeration refers to aeration that takes place in what?

Answer 72

an open space at room temp.

Question 73

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

Answer 73

Demand

Question 74

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

Answer 74

Handling of packages

Question 75

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

Answer 75

computerized inventory control system

Question 76

What is the recommended temp for decontamination?

Answer 76

60-65 degrees

Question 77

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:

Answer 77

Surfactant

Question 78

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

Answer 78

One-way work flow

Question 79

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

Answer 79

Material Management

Question 80

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

Answer 80

Steam Sterilization

Question 81

This type of steam sterilizer is used for sterilizing liquids.

Answer 81

Gravity Air Displacement Sterilizer

Question 82

The process of sterilizing an item that is packaged.

Answer 82

Terminal Sterilization

Question 83

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

Answer 83

Aeration

Question 84

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

Answer 84

Geobacillus stearothermophilus

Question 85

This government agency works to prevent and control disease

Answer 85

Centers for disease control | CDC

Question 86

Humidity in Decontam should be at what percentage?

Answer 86

30-70%

Question 87

proteolytic enzymatic cleaners do what?

Answer 87

Remove protein material

Question 88

lipolytic enzymatic cleaner does what?

Answer 88

Removes fatty material