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AORN Periop class > Sterile technique > Flashcards

Sterile technique Flashcards

1
Q

what is the cornerstone of surgical practice

A

sterile technique

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2
Q

What is the sterile instrument tables and sterile draping over the patient and furniture creates this area

A

sterile field

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3
Q

what is the use of specific actions and activities to prevent contamination and maintain sterility

A

sterile technique

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4
Q

What is an item that is free of living organisms

A

sterile

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5
Q

What is the absence of infectious organisms

A

asepsis

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6
Q

What is the single most effective measure to prevent the transmission of pathogenic microorganisms

A

hand hygiene

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7
Q

What is performed to reduce the skins resident and transient microbes?

A

surgical hand antisepsis

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8
Q

Before a sterile gown and glove are donned, what is performed?

A

a surgical hand scrub

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9
Q

What is followed during surgical hand scrub?

A

the product manufacturer’s instructions for use

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10
Q

When are the 5 times gloves should be changed?

A
  1. 90 to 150 minutes
  2. when a visible or suspected perforation occurs
  3. After touching a helmet hood or visor
  4. after contact with methyl methacrylate
  5. After touching microscope optics or fluoroscopy equipment
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11
Q

What are the 13 sterile technique principles?

A
  1. prepare the sterile field in the location where it will be used
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12
Q

What is used to verify that a sterile package is intact and conditions for sterility have been met?

A

an item’s packaging is inspected

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13
Q

What are key indicators that are used to check if a package is in good condition?

A
  1. Package integrity - no holes
  2. expiration date - do not open the package onto the sterile field if the date has expired
  3. single-use by date (sterility)
  4. chemical indicators of sterilization processes
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14
Q

What is used on the outside of the packaging to indicate that items inside the package are sterile?

A

manufacturer’s statement

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15
Q

What indicates a manufacturer date?

A

little building

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16
Q

What indicates an expiration date?

A

timer

17
Q

What does a rigid container look like?

A
  1. top has holes - perforations

2. bottom may be solid or have holes

18
Q

Why are there holes with filters on the rigid containers?

A
  1. allow sterilant to enter and exit

2. to prevent contaminants from entering the container through the hole

19
Q

How are filters held in place in the rigid container?

A

retention plate

20
Q

What holds the filter in a rigid container?

A

retention plate

21
Q

Perform the following steps when opening a rigid container:

A
  • Inspect the container.
  • Verify the external indicator color change.
  • Remove the external indicator.
  • Remove the container lid up, away from the container, and toward yourself.
  • The scrub person and RN circulator will perform the internal indicator inspection.
22
Q

What is special about the look of wraps?

A

blue side (outside layer) and an alternate color on the opposite side

23
Q

How do you open a small wrapped item?

A
  1. inspect the wrap integrity
  2. check indicator tape
    3.
24
Q

What are peel packs?

A

small packages designed to hold a single item or a small number of sterilized instruments.

25
Q

What are peel packs intended for?

A

when an additional/replacement instrument is needed.

26
Q

What are double peel packs?

A

smaller peel pack

27
Q

How are peel packs opened?

A
  1. inspect for package integrity and chemical indicators
  2. the corners of the peel pack at the chevron end are released
  3. each side of the peel pack at the chevron end is held firmly and then gently pulled apart
  4. The contents of the peel pack are presented to the scrubbed personnel
28
Q

How are peel packs opened?

A
  1. inspect for package integrity and chemical indicators
  2. the corners of the peel pack at the chevron end are released
  3. each side of the peel pack at the chevron end is held firmly and then gently pulled apart
  4. The contents of the peel pack are presented to the scrubbed personnel
29
Q

When is peel pack considered contaminated?

A
  1. peel pack rips
  2. flap falls back into the item
  3. or contents slide over the unsterile edges including the seal
30
Q

What are factors that affect event-related sterility?

A
  1. Packaging material quality
  2. Storage conditions –> extreme temps, uncontrolled or dirty settings
  3. How an item is transported from storage or immediate use steam sterilization to the point of use –> exposed to moisture, without a protective covering or container.
  4. The number of times and the way the item is handled
  5. Environmental conditions of item storage –> humidity, exposure to airborne contamination
31
Q

What happens if there is debris on one instrument?

A

the whole set is contaminated

32
Q

What is the process when a contaminated item is discovered on the sterile field?

A
  1. Remove all contaminated items from the sterile field
  2. Sterile gloves are changed by all members who touched the contaminated items
  3. Add drapes to the sterile field
  4. replace instruments if needed
  5. Create a new setup
33
Q

When do you want to open the sterile field?

A

as close as possible to the time of use

34
Q

What are the 3 requirements for covering a sterile field?

A
  1. cover the sterile field if it opened and not used immediately
  2. cover and uncover the field in a manner that prevents contamination.
  3. portions of a sterile field can be covered when items will not be used immediately.
35
Q

What are the 2 steps for covering a sterile field?

A
  1. the first drape is placed with the cuff at the halfway point
  2. the second drape is placed from opposite side and completely covers the cuff of the first drape.
36
Q

What are traffic rules for scrub team members?

A
  1. Face the sterile field
  2. Stay within the sterile field; avoid changing levels
  3. Keep the hands between the level of the chest and the sterile field
  4. Use the face-to-face or back-to-back methods of moving around the sterile field
  5. Keep conversation to a minimum
37
Q

What are traffic rules for unscrubued team members?

A
  1. Face the sterile field
  2. Maintain distance from the sterile field and scrubbed team members
  3. Do not reach over the sterile field
  4. Do not walk between sterile fields
  5. Keep conversation to a minimum

AORN Periop class (23 decks)

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