Surgical Techniques - Instrument Sterilization and Environmental and Equipment Disinfection 3-A Flashcards Preview

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Flashcards in Surgical Techniques - Instrument Sterilization and Environmental and Equipment Disinfection 3-A Deck (91)
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1
Q

Agent capable of killing spore-forming organisms in the free spore state

A

sporicidal

2
Q

Protection against wound infection pre-, inter-, and post-operatively through aseptic technique

A

surgical asepsis

3
Q

a small glass receptacle for holding liquids or powders

A

flask

4
Q

actual or suspected relative number of microorganisms found in an area or on an item

A

bioburden

5
Q

a highly resistant, protective covering or casing formed by a bacterium

A

spore

6
Q

chemical agent that destroys microorganisms

A

disinfectant

7
Q

surface or medium on which an organism grows or is attached

A

substrate

8
Q

open inner space of a tube, which can be in an endoscope, a catheter, or a needle; a hollow cavity in an organ or a blood vessel; can also be a unit of invisible, translit light that is generally described as a measure of brightness

A

lumen

9
Q

hospital-acquired infection

A

nonsocomial

10
Q

substance that kills all forms of living matter including spore-bearing ones

A

sterilant

11
Q

non-living or lifeless

A

inanimate

12
Q

transmission of microorganisms from patient to patient and from inanimate objects to patients and vice versa

A

cross contamination

13
Q

agent that destroys germs

A

germicide

14
Q

having the capacity to chemically kill pseudomonas bacteria which commonly causes infections in wounds, burns, and the urinary tract

A

pseudimonacidal

15
Q

the process for removing contaminants from an object that has been exposed to hazardous materials, such as infectious material and blood, chemicals, or radioactive substances

A

decontamination

16
Q

a chemical agent that inhibits the growth of microorganisms without necessarily killing them

A

antiseptic

17
Q

having the capacity to prevent of destroy or inhibit the growth of fungi

A

fungicidal

18
Q

causative agent that is spread by persons coming into contact with body fluids or droplets that leave by mans of an infected person’s portals of exit

A

pathogen

19
Q

very small mass of liquid carried in a spray from the nose or mouth which falls to surface upon expiration as liquid and which are not readily inhaled

A

droplet

20
Q

inanimate objects which are freshly contaminated with secretions or excretions from an infected person or carrier

A

fomites

21
Q

an animal, especially an insect, that transmits pathogens from infected to non-infected individuals

A

vector

22
Q

having the capacity to or tending to destroy or inactivate viruses

A

virucidal

23
Q

having the capacity to prevent or destroy the growth or action of bacteria

A

bactericidal

24
Q

any occurrence that compromises the sterility of the package

A

event-related sterility

25
Q

sterility is less critical for those items that come in contact with mucous membranes or broken skin. Items are considered clean and require minimal disinfection using a chemical disinfectant, such as glutaraldehyde, hydrogen peroxide, and peracetic acid with hydrogen peroxide to reduce microorganisms before use.

A

semicritical

26
Q

Any items introduced to internal body areas or areas with high risk of infection if contaminated with microorganisms, including bacterial spores. These items must be handles with sterile technique to maintain sterility.

A

critical

27
Q

Items that come in contact with intact skin but not mucous membranes. Most reusable items may be decontaminated where they are used and do not need to be transported to Central Processing.

A

noncritical

28
Q

the immediate disinfection process following discharge of infectious material from the body of an infected person or after contamination of articles by an infectious agent

A

concurrent disinfection

29
Q

used on noncritical items such as floors, walls, and anesthesia equipment

A

Level 3 low-level disinfectant

30
Q

used to disinfect or sterilize surgical instruments

A

Level 1 high-level disinfectant

31
Q

examples of disinfectants include glutaraldehyde, peracetic acid, and chloride compounds

A

Level 1 high-level disinfectant

32
Q

accomplished by surface cleaning or disinfection

A

Level 3 low-level disinfectant

33
Q

used on semicritical items such as laryngoscopes, bronchoscopes, and respiratory equipment

A

Level 2 intermediate-level disinfectant

34
Q

examples of disinfectants include phenolic germicidal solution, iodophor solution, sodium hypochlorite, and quaternary ammonium compounds

A

Level 3 low-level disinfectant

35
Q

the action of a disinfecting agent to make substances, such as fats or lipids, dissolve, especially in water

A

solubilization

36
Q

the physical action in which fats are mechanically broken up into very small particles which are uniformly suspended in the disinfecting solution

A

emulsification

37
Q

the action of organic matter attaching itself to the water hardness particles, principally those of calcium and magnesium, and inactivating them so they will not combine with other material, such as the disinfecting agent in the water and precipitate out

A

chelation

38
Q

the action of breaking down or digesting large organic molecules that then interact with and break down a particular molecule and move on and repeat the process

A

enzymatic

39
Q

Use protective eye wear and ______ equipment when working with chemical disinfectants to prevent accidental splash to eyes and inhalation of fumes.

A

respiratory

40
Q

Use covered containers and adequate _____ to reduce exposure to fumes since vapors can be toxic.

A

ventilation

41
Q

Properly _____ liquids.

A

dilute

42
Q

Ensure items are clean and free of gross _____ so the disinfectant effectiveness is maximized.

A

contaminants

43
Q

Dry materials prior to disinfection to prevent disinfectant ______.

A

dilution

44
Q

Completely _____ items in the disinfectant solution.

A

immerse

45
Q

Allow adequate time during immersion for disinfectant to _____.

A

work

46
Q

_____ disinfectant from items prior to use.

A

Rinse

47
Q

Type and number of microorganisms present, including gross contamination or _____.

A

bioburden

48
Q

Degree of _____ - This determines the level of disinfectant required and time of exposure.

A

contamination

49
Q

Amount of proteinaceous material present - High protein-based materials _____ and neutralize some chemical disinfectants.

A

absorb

50
Q

Presence of _____ matter and other compounds - May neutralize some disinfectants.

A

organic

51
Q

______ nature of disinfectant - It is important to understand the mode of action in order to select the appropriate disinfectant.

A

Chemical

52
Q

Concentration and _____ of disinfectant - It is important to choose the proper concentration and _____ of disinfectant that is best suited for the level of disinfection needed.

A

quantity

quantity

53
Q

Contact time, ______ level, and temperature - Sufficient time and appropriate temperature must be allowed for action of the disinfectant and may depend on the degree of contamination and organic matter load.

A

pH

54
Q

Widely used high-level disinfecting agent, especially for semicritical instruments, that destroys microbes by denaturation of cellular proteins

A

2% glutaraldehyde

55
Q

Is a nonglutaraldehyde based high-level disinfecting agent used to destroy microbes by denaturation of cellular proteins

A

Ortho-Phthaldehyde 0,55% (Cidex OPA)

56
Q

Destroys microbes by coagulating cellular proteins

A

alcohol - Isolpropyl and ethyl

57
Q

Disrupts the cellular metabolism of the microbes by oxidizing enzymes

A

chlorine compounds/sodium hypochlorite (bleach)

58
Q

reacts through oxidation with the organic material and microbes in the water to kill them

A

chlorinated lime

59
Q

penetrate the cell wall of microorganisms quickly, and the lethal effects are believed to result from disruption of protein and nucleic acid structure and synthesis

A

iodine-based compounds (iodophor)

60
Q

destroy microorganisms through denaturation and coagulation of proteins

A

phenois and derivatives

61
Q

Keep _____ in and out of the operating room to an absolute minimum.

A

traffic

62
Q

Immediately apply a _____ spectrum detergent-germicide to areas contaminated with organic debris such as blood.

A

broad

63
Q

Dispose of sponges in a ____ biohazard bag.

A

red

64
Q

Do not place soiled sponges on a _____ sterile table.

A

draped

65
Q

Use glove or _____ or both when counting and collecting soiled sponges.

A

instruments

66
Q

Place all disposable sharps in a ______-resistant biohazard container as infectious waste.

A

puncture

67
Q

Clean the exterior surfaces of _____ containers before removal from OR.

A

specimen

68
Q

Keep all trash and _____ off the floor.

A

linen

69
Q

begins with the removal of the initial gross contaminants by wiping the instrument as it is used on the sterile field

A

decontamination

70
Q

initial immersion in a basin of enzymatic detergent, distilled water, or water with a low sudsing detergent helps to loosen gross contaminants from instruments

A

pre-rinse or soaking

71
Q

the hand washing of instruments in the processing area to remove any residual blood or debris before high-level disinfection or terminal sterilization

A

manual cleaning

72
Q

uses high frequency sound waves to generate tiny bubbles that clean the serrations, crevices, and lock boxes of instruments that are difficult to clean with other methods

A

ultrasonic cleaning

73
Q

this process must be completed on any instrument with moving parts; involves completely immersing the instrument in a manufacturer-approved lubricant for 30-45 seconds, then dipping and allowing to drip dry in a draining tray

A

lubrication

74
Q

involves the inspection, assembling, and packaging of instruments and supplies prior to terminal sterilization of disinfection

A

preparation, assembly, and packaging

75
Q

critical verification of instruments must be done after cleaning to ensure there is no damage, stiffness of hinged joints, etc.

A

inspecting and testing

76
Q

distribution of instruments into instrument sets or procedure trays for packaging and placement in sterilizer racks

A

assembly

77
Q

to be effective, the appropriate instrument container must allow the sterilizing agent to come in contact with all surfaces of the instrumnts

A

packaging

78
Q

the physical or chemical sterilization process that renders an item free of all living microorganisms, including spores

A

terminal and final sterilization

79
Q

concerned with event-related sterility and the shelf-life of items

A

storage

80
Q

concerned with the probability of contamination increasing as supplies are touched and moved around

A

handling

81
Q

concerned with systems, delivery, patient charging methods, record keeping, and safety practices

A

distribution

82
Q

The _____ cleaner provides a cleaning process, not a thermal or chemical disinfection or sterilization process.

A

ultrasonic

83
Q

The washer-sterilizer method cleans items to at least an ______ disinfected level.

A

intermediate

84
Q

The manual or hand-wash method requires a _____ in its first stage to prevent excessive drying of soil.

A

soaking time

85
Q

During hand wash, _____ must be brushed internally to remove residue.

A

endoscopes

86
Q

_____ is the final step before milking the instruments.

A

Rinsing

87
Q

Milking the instruments is designed for instruments that require _____.

A

lubrication

88
Q

After cleaning, completely _____ the instruments.

A

dry

89
Q

When using a washer-decontaminator, instruments are placed in a mesh or perforated bottom ______

A

basket

90
Q

When using the manual method, completely immerse instruments in a deep basin with _____ cleaning detergent in warm water.

A

non-corrosive

91
Q

It is important to keep dissimilar metals separate to prevent _____ through electrolysis.

A

etching