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Sterile > Sterile Technique > Flashcards

Sterile Technique Flashcards

1
Q

Nurse advocacy for sterile technique?

A

String surgical conscience
- speaking up if break in sterile technique occurs
Ethical + moral responsibility
Maintaining sterile field and monitoring activity in room

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2
Q

What is asepsis?

A

Absence of infectious organisms

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3
Q

Event related sterility?

A

Sterility based on factors such as packaging, storage, transport, handling or environmental conditions

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4
Q

Isolation technique?

A

Contaminated instruments and equipment are removed from sterile field
- bowl technique, contamination technique

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5
Q

Perforation indicator technique?

A

Double gloving system

Coloured pair of gloves worn beneath standard pair of gloves

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6
Q

What does sterile mean?

A

Free of living organisms

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7
Q

What is a sterile field?

A

Area surrounding the site of surgery that has been prepared for invasive procedure
- working areas
- furniture
- equipment covered with sterile drapes/accessories
Personnel sterile attire

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8
Q

Sterile technique?

A

Specific concerns and sci-fi vids to prevent contamination and maintain sterility

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9
Q

Surgical helmet system?

A

A non sterile, reusable helmet with a built in ventilation fan covered with a single use disposable mask/hood

“Space suit”

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10
Q

What is a wound protector?

A

A double ring, self retaining device that is designed to protect the incision during surgical manipulation
Used in abd surgeries
- decreases incision area from becoming infected with bacteria from GI/biliary tract

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11
Q

When should a sterile field be prepared?

A

In location it will be used

As close to time of use as possible

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12
Q

What are items with doubtful sterility considered to be?

A

Contaminated

Ex - break in packaging

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13
Q

A sterile field can have non sterile items in it?

A

No.
Use only sterile items in sterile field

A sterile field is contaminated when a non sterile item comes in contact with it

Sterile persons touch only sterile items

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14
Q

Where is a sterile field?

A

Front of sterile gown from chest to level of instrument table/OR bed

From sleeve up to 2inch above elbow
-cuff considered unsterile and need to remain covered by gloves

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15
Q

Movement in the OR around sterile field

A

Cover during periods of high activity
- repositioning

Limit movement and door opening

Cover if not being used right away

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16
Q

What are edge of sterile packs considered?

A

Non sterile

17
Q

What if there is more than one wound class in a surgery?

A

May need more than one sterile field

18
Q

Before preparing sterile field?

A 
Surgical attire 
- change when contaminated 
- remove at end of shift 
Hand hygiene 
Surgical mask 
Opening supplies
19
Q

This to check when opening sterile supplies?

A

Check packaging
Expiration date
Single use item sterility
Chemical indicators of sterilization

20
Q

Why do rigid containers have filters?

A

Holes in lid and bottom

  • filters allow sterilant to enter and exit container and prevent contamination from entering the container through holes
21
Q

How to open rigid container?

A

Inspect for damage and debris that may affect seal

Identify external indicators - intact/Color change

Remove external indicators entirely 

Lift lid up and away from container towards self as you back away

Inspect the interval indicators and filters before removing instrument basket

22
Q

Wrapped items?

A

Blue wraps used to wrap items for sterilization

- inside usually has alternate colour

23
Q

How to open wrapped items?

A 
Inspect - integrity, Color change 
Open top away from you 
Open side flap and contain in hand
Open 2nd flap 
Open final flap towards self
24
Q

Opening peel packs?

A

Intended for use when additional or replacement items is needed in strike field

  • broken seal = contaminated
25
Q

Double peel packs?

A

Small pack inside large

Clear sides match up to see inside item

26
Q

Opening peel pack?

A

Inspect
Open corners at chevron end
Gently pull apart
Present to scrub personnel

27
Q

Contamination of peel pack occurs when?

A

Peel pack rips
Flaps fall back on item
Contents slide over the unsterile edge

28
Q

Transferring medications into sterile field?

A

One med/solution at a time
Transfer close to time of use
Scrub nurse and circulator nurse verify med/solution
Circulator nurse pours into sterile transfer device that is placed at edge of sterile field
Scrub brush immediately labels

29
Q

What should circulator and scrub nurse verify for solution/med before adding to sterile field?

A

Name
Strength
Dosage
Expiration date

30
Q

Why is hand hygiene so important for sterile technique?

A

Most effective measure to prevent the transmission of pathogenic microorganisms

31
Q

Transient vs resident flora

A

Transient - acquired by direct contact and removed by mechanical friction

Resident - flora below the skin surface and removed by chemical action

Sterile (3 decks)

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