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Flashcards in 12 Deck (18):
1

ultrasonic cleaning vs ultrasonic waves

ultrasonic cleaning = cavitationultrasonic waves create minute gas bubbles, implode, removes debris

2

washer decontaminators vs disinfectants

washer decontaminators carry no specific claims on antimicrobial efficacywasher disinfectants achieve high level disinfection

3

what is the only approved method to dry instruments

filtered medical grade compressed air

4

characteristics of wrapping for sterile instruments

permeable to steam/gasesresistant to heatresistant to physical damage/penetrationminimal wrap memorylong shelf lifefree of toxic ingredients/dyesstorage in controlled air/temp environment

5

most common wrapping material used for steam sterilization

cotton muslin (140-270 count)requires double wrapnot moisture resistant

6

how does steam sterilization kill microorganisms

coagulation and denaturation of proteins by moist heat

7

what is the typical temperature for steam sterilization for 30 minutes in a gravity displacement sterilizer? how long should it dry?

121 C (250 F) 15-30 minutes drying

8

what is the typical temperature for steam sterilization for 4 minutes in a pre vacuum unit

132 C (270 F)

9

how long does flash sterilization take? what desired temperature?

3 minutes135 C (275 F)1 min drying

10

shelf life of 2 layer cotton muslin

2 days

11

shelf life of 2 layer each double wrapped cotton muslin?

3 weeks

12

shelf life of polypropylene peel pouches

12 months/1 yearwater impermeable

13

most common chemical sterilant for liquid cold sterilization

glutaraldehyde14 d half life

14

most common type of steam sterilization autoclave in vet practice

gravity displacement sterilizer

15

recommended indicators of sterilization

type 1 (tape) to be on outside of outer wraptype 5 (react to all parameters) in inside of deepest portion of pack

16

how to label pack

name of instrumentssterilization dateexpiration dateinitials

17

environmental conditions for stored packs

temp should not exceed 75F (24 C)humidity should not exceed 70%4 air exchanges per hour w positive pressure airflow

18

shelf life of small instruments after autoclaving and packed in double layer linen

24 months