Disinfection & Sterilization

Front 1

Sterilization

Back 1

a process that removes / eliminates all forms of viable microorganism including ALL bacterial spores.

Front 2

Methods of Sterilization

Back 2

1- steam sterilization

2- Low temperature sterilization

-Hydrogen peroxide gas plasma

-Ethylene oxide gas

-Peracetic acid sterilization

3- Dry heat:

-Inciniration

-Red heat

-Hot air ovens

4- Other

Front 3

Disinfection

Back 3

a process that eliminates MOST , not all, pathogenic microorganisms EXCEPT spores.

Front 4

Methods of Disinfection

Back 4

1- Chemical :

-swabbed with 70% alcohol

-immersion in 2% ortho-phthaladehyde (OPA) didinfectant for 12 minutes

2- Boiling water: at 100* for 20 minutes

3- Pasteurization

4- Thermal disinfection by hot water eg. wasing machines

5- Ultraviolet radiation

Front 5

Disinfectant

Back 5

usually a chemical agent (but sometimes physical agent) that achieves disinfection. It refers to substances applied to inanimate objects

Front 6

Antiseptic

Back 6

a chemical disinfectant which can be safely applied to skin and mucous membranes but not suitable for systemic administration.

Front 7

Germicide

Back 7

agent that destroys microorganisms; may be virucide, bactericide, fungiside, sporicide and tuberculoside indicating the microorganisms the germicide kills.

Front 8

Sterilant

Back 8

chemical germicide that achieves sterilization.

Front 9

Cleaning

Back 9

removal of foreign material (organic or inorganic contaminants) from medical devices as part of decontamination process. It is usually done by soap and water, detergants or enzymatic products.

Front 10

Advantages and Disadvantages of :

Steam sterilization

Back 10

- nontoxic, inexpensive, rapidly heats and penetrates fabrics

- cant be used for materials that can be damaged by moist heat e.g. powders, petroleum products, sharp instruments

Front 11

Advantages and Disadvantages of :

Hot Air Sterilizers

Back 11

-nontoxic, relatively inexpensive, noncorrosive for metal and sharp instruments

- slow rate of heat penetration, time consuming, high temps are not suitable for most materials..

Front 12

Advantages and Disadvantages of :

Ethylene oxide gas

Back 12

-can be used for instruments that cannot be subjected to heat

-expensive & toxic

Front 13

Method used for sterilization (disinfection) of

Skin:

Back 13

- 70% isopropyl alcohol

- alcohol based iodine compound

Front 14

Method used for sterilization (disinfection) of
Air in OR

Back 14

UV
Filter (HEPA)

Front 15

Method used for sterilization (disinfection) of

Milk:

Back 15

Pasteurization

Microwaves

Front 16

Method used for sterilization (disinfection) of

disposable plastic syringe:

Back 16

- Hydrogen peroxide gas plasma

- Ionizing radiation

Front 17

Method used for sterilization (disinfection) of

Hormones & vitamins:

Back 17

filtration

Front 18

Method used for sterilization (disinfection) of

Endoscopes:

Back 18

- Hydrogen peroxide gas plasma

- Peracetic acid sterilization

Front 19

Mention the use of:

Hydrogen peroxide gas plasma

Back 19

- plastics

- electrical devices

- corrosion susceptible metal alloys

Front 20

Mention the use of:

Ethylene oxide gas

Back 20

instruments that cannot be subjected to steam

Front 21

Mention the use of:

Peracetic acid

Back 21

-medical, surgical & dental instruments

(e.g. endoscopes, arthroscopes)

Front 22

Mention the use of:

Inciniration

Back 22

dead animal bodies

infectious hospital waste

Front 23

Mention the use of:

Red Heat

Back 23

wires

loops

points of forceps

Front 24

Mention the use of:

Hot Air ovens

Back 24

powders

petroleum products

sharp instruments

Front 25

Mention the use of:

UV

Back 25

air (of OR)

surfaces ( laboratory safety cabinet)

Front 26

Mention the use of:

hot water

Back 26

linen of hospital laundry

dishes and devices which can't withstand higher temp.

Front 27

Mention the use of:

Pasteurization

Back 27

Milk

Front 28

Mention the use of:

Alcohol

Back 28

Skin

Front 29

Mention the use of:

Ionizing Radiation

Back 29

pre-packed heat sensitive items:

- bone grafts

- surgical sutures

- disposable plastic syringe

- gloves

- catheters

- plastic Petri dishes

Front 30

Mention the use of:

Filtration

Back 30

thermoliable pharmaceutical fluids:

- antibiotics

- hormones

- vitamins

critical areas:

- OR

- drug factories

- laboratory biosafety cabinet

Front 31

Mention the use of:

Ozone

Back 31

drinking water

Front 32

Mention the use of:

Microwaves

Back 32

- soft contact lenses

- dental instruments

- dentures

- milk

- urinary catheter

Front 33

Mention the use of:

Formaldehyde Steam

Back 33

heat sensitive medical equipment:

- mechanical ventilator

- incubators for neonates

Front 34

Mention the use of:

Autoclave

Back 34

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