chpt 21 instrument processing and sterilization

Question 1

classification of patient care items

Answer 1

critical, semi-critical, non-critical

Question 2

critical instruments

Answer 2

touch bone or penetrate soft tissue, risk of disease transmission is high

Question 3

semi-critical instruments

Answer 3

touch mucous membranes or non-intact skin

ex. mouth mirror, spatulas

Question 4

non-critical instruments

Answer 4

contact intact skin only, least risk of transmission

Question 5

instrument processing area is also known as

Answer 5

sterilization area

Question 6

proceed in a single loop/linear flow from

Answer 6

dirty, “clean”, sterilized

Question 7

there are seven steps for instrument processing which are

Answer 7

transport, cleaning, packaging, sterilization, storage, delivery, quality

Question 8

we transport instruments to processing area using

Answer 8

appropriate ppe, rigid leak proof container, minimize risk of exposure

Question 9

us of a hands free process such as ____ or ____ is recommended

Answer 9

ultrasonic cleaner, instrument washer

Question 10

an ultrasonic cleaner is used only to

Answer 10

loosen and remove debris from instruments

Question 11

an ultrasonic cleaner produces

Answer 11

sound waves, cavitation

Question 12

cavitation is

Answer 12

formation of bubbles in liquid

Question 13

how do you test an ultrasonic cleaners performance

Answer 13

foil test

Question 14

what is a foil test

Answer 14

aluminum foil submerged in fresh solution

Question 15

the foil test is successful if

Answer 15

the foil is evenly marked with tiny pebbling effect

Question 16

manual cleaning is the

Answer 16

least desirable method for pre cleaning

Question 17

instruments must be dried before

Answer 17

packaging

Question 18

each instrument pack must have an

Answer 18

external class1 process indicator and an internal chemical indicator 4 or 5

Question 19

each package of instruments must be labelled with

Answer 19

date, sterilization load number, name

Question 20

5 acceptable sterilization techniques

Answer 20

steam (autoclave), chemiclave, dry heat, ethylene oxide vapour & gas plasma, and chemical-liquid sterilants

Question 21

autoclave operates at

Answer 21

121 degrees Celsius

Question 22

we should store sterilized instruments in what condition

Answer 22

clean & dry

Question 23

when bacteria from the air or contaminated surfaces surfaces are drawn inward through wet packaging

Answer 23

wicking

Question 24

mechanical monitoring

Answer 24

measure and record time, temp, pressure

Question 25

chemical monitoring

Answer 25

change in colour when physical parameter is met

Question 26

process indicators are

Answer 26

internal

Question 27

process integrators are

Answer 27

external

Question 28

biological monitoring

Answer 28

spore test

Question 29

class I indicators

Answer 29

process indicators, respond to heat only, used to identify pack to be processed

Question 30

class II indicators

Answer 30

bowie dick test, demonstrate fast and even penetration of steam

Question 31

class III indicator

Answer 31

responds to a single parameter (temp OR pressure)

Question 32

class IV (4) indicator

Answer 32

multi parameter indicator

Question 33

class V (5) indicator

Answer 33

affected by time, temp and saturated steam. MUST be used with implantable devices

Question 34

class VI (6) indicator

Answer 34

testing specific sterilization cycles

Question 35

chemical indicators do not prove sterilization has occurred. this is the function of

Answer 35

biological monitors