Chapter 9 Disinfection

Front 1

Bactericidal

Back 1

Relating to the destruction of bacteria

Front 2

Sterilization

Back 2

The process in which all forms of microbial life including bacteria, viruses, spores and fungi are completely destroyed

Front 3

Disinfection

Back 3

The destruction of nearly all pathogenic microorganisms

Front 4

Disinfectant

Back 4

A chemical that kills most pathogenic organism but does not kill all spores

Front 5

Spaulding classification system

Back 5

A system that divides medical devices into categories based on the risk of infection involved with their use

Front 6

Sterile

Back 6

Completely devoid of all living microorganisms

Front 7

High level disinfection

Back 7

The destruction of all vegetative microorganisms, mycobacterium, small or nonlipid viruses, medium or lipid viruses, fungal spores and some bacterial spores

Hint 7

6

Front 8

Low level disinfection

Back 8

The destruction of vegetative forms of bacteria, some fungi and lipid viruses but not bacterial spores

Hint 8

3

Front 9

Intermediate level disinfection

Back 9

The destruction of viruses, mycobacteria, fungi and vegatative bacteria, but not bacterial spores

Hint 9

4

Front 10

Organic materials

Back 10

serum, blood, pus or fecal material, can interfere with the activity of disinfectants

Front 11

Antiseptic

Back 11

A disinfectant solution that is used on animated objects

Front 12

Quaternary ammonium compounds

Back 12

Low level disinfectant, Incompatible with soaps/cotton. Used for Environmental sanitation of non critical surfaces

Front 13

Alcohol

Back 13

Can be used as both an antiseptic and disinfectant. Must remain wet for 5 minutes to achieve a reasonable level of disinfection

Front 14

Phenolics

Back 14

Intermediate to low level disinfectant. Used for housekeeping service. film is left after use and the film can be reactivated later by damp mopping.

Front 15

Chlorine

Back 15

Is an intermediate level disinfectant used for treatment of water, sewage and for biohazard cleanup

Front 16

Iodophors

Back 16

Are used both as antiseptic and disinfectant best known as providone iodine

Front 17

Glutaraldehyde

Back 17

HLD Use for semi critical devices such as endoscopes and ultrasonic probes. It kills micro organisms by alkylation of protein. Usually a clear liquid that turns color when activated.

Front 18

Hold long is glutaraldehyde good for, when being used

Back 18

14 to 28 day

Front 19

Minimum effective concentration (MEC)

Back 19

chemical that meets its labeled claims for activity against specific microorganism

Front 20

Alkylation

Back 20

A chemical reaction where hydrogen is replaced with the alkyl group this causes the cell to be unable to normally metabolize or reproduce or both

Front 21

Ortho-phthalaldehyde OPA

Back 21

Known as OPA,

provides a fast and effective way to disinfect instruments

Front 22

How long can OPA used for

Back 22

14 to 28 days

Front 23

Name 2 high level disinfectant that need to be tested before use

Back 23

Glutaraldehyde and ortho-phthalaldehyde

Front 24

Hydrogen peroxide

Back 24

a high level disinfectant, requires regularly testing of MEC. Use for disinfection of hard and soft surfaces

Front 25

Peracetic acid

Back 25

a high level disinfectant, achieves disinfection in 5 minutes at room temperature. Use for disinfection of Laryngoscope and endoscopes. however it is also known to be corrosive

Front 26

According to the spaulding classification system what items are considered critical items

Back 26

Instruments or objects introduced directly into the bloodstream. Ex implants, surgical Instruments, cardiac catheters

Front 27

According to the Spaulding classification system what items are considered semi critical

Back 27

items that come in contact with mucus membranes but they do not ordinarily penetrate body surfaces. Ex endoscopes, endotracheal, anesthesia breathing tubes

Front 28

According to the Spalding classification system which items are considered non critical

Back 28

These items come into direct contact with the patient's unbroken skin. Ex thermometers, stethoscopes

Front 29

When using glutaraldehyde how many air exchages should be performed per hour

Back 29

10 air exchanges per hr

Front 30

Which high level disinfectant needs to be activated before initial use

Back 30

Glutaraldehyde

Front 31

Disinfectants are not effective unless they make direct _____________

Back 31

Contact with all surfaces

Front 32

Wet contact is

Back 32

The amount of time the device must remain wet with a disinfectant

Front 33

Thermal disinfection

Back 33

Uses heat to reduce the amount of bacteria (excluding spores)

Front 34

What is the key source of thermal disinfection

Back 34

Water temperature

Front 35

Pasteurizer are another form of

Back 35

Thermal disinfection using heated water

Front 36

Pasteurization equipment provides disinfection at water temperature of

Back 36

150 to 170 °

Front 37

Automated endoscope reprocessors advantages

Back 37

They reduce personal exposure to HLD disinfectants and its vapors, May also increase quality assurance by providing consistent processes and documenting several cycle parameters