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ST220 > Exam #5: Principles of Asepsis > Flashcards

Exam #5: Principles of Asepsis Flashcards

0
Q

What is the purpose of maintaining positive-pressure air flow within the OR suite?

A

Because the higher pressure than the outside the OR forces microbes out

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1
Q

What is a systemic method of organizing one’s thoughts & activities, enabling one to make appropriate decision?

A

Critical Thinking

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2
Q

What are risks that influence surgical site infection (SSI)?

A
  1. Obesity
  2. Age
  3. Remote Infections
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3
Q

What are methods of monitoring for steam sterilization Process?

A
  1. Mechanical
  2. Chemical
  3. Biological
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4
Q

What is the basis for the practice of strict sterile technique?

A

Surgical Conscience

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5
Q

SHORT ANSWER

What is surgical conscience, and what does it mean to you?

A

The honesty & moral integrity to uphold strict sterile technique. The surgical tech must recognize & correct breaks in sterile technique whether committed in the presence of other or alone.

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6
Q

What are options for correcting breaks in sterile technique?

A
  1. Ignore it
  2. Replace it
  3. Cover it
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7
Q

What isolates and protects the operative site from contaminants?

A

Drape

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8
Q

What should be done to reusable instruments used on a case with a prion infection?

A

All should be destroyed

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9
Q

* SHORT ANSWER*

Should sterile drapes be remove or not removed?

A

It is not possible to remove sterile drapes & know for sure nothing was contaminated. Additionally, the sterile items would have to be pushed through a sub sterile environment in order to get into the next room so NEVER cover the sterile field with a drape.

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10
Q

What distance should tables be set up as part of the sterile field from the wall?

A

12-18 Inches

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11
Q

When would the 1-2” perimeter around the outside edge of the wrapping apply?

A
  1. When opening a Foley catheter tray on a prep stand
  2. When performing the open glove technique from the mayo stand
  3. When opening the surgical gown wrapper on the mayo stand
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12
Q

When would the 1-2” perimeter around the outside edge of the wrapping not apply?

A

When the custom pack is properly opened onto the back table

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13
Q

The surgical gown is considered sterile from the ___ in front and ___ inches ______ to the _____ on the sleeves.

A
  • Mid-chest line
  • 2 inches
  • PROXIMAL
  • Elbows
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14
Q

The arms ________ be folded with the hands in the _____region. This region is considered _______ because it ____ be viewed by the wearer and because of __________ contamination.

A
  • Should not
  • Axillary
  • ContaminatedCannot
  • Strike-through
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15
Q

Why is the back of the gown considered contaminated?

A

Because it cannot be viewed by the wearer.

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16
Q

What of the surgical gown, are considered non sterile & should be covered by the cuff of the glove?

A

Stockinette cuffs

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17
Q

Sterile team members should pass each other:

A

face to face

back to back

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18
Q

Talking should be kept to a minimum to prevent contamination from?

A

Airborne moisture droplets

19
Q

What is the primary source of airborne bacteria in the OR?

A

Surgical Team

20
Q

What should be set up at the head of the operating room bed?

A

Anesthesia Machine

21
Q

Sterile items and individuals may:

A

Contact sterile items

22
Q

Once a sterile field is open everyone in the room must?

A

Wear a mask

23
Q

Where should the sterile field be established?

A

Farthest from the door

24
Q

If back table packs contain disposable drapes, supplies, sutures, blades and items necessary for SPECIFIC PROCEDURES are called?

A

Custom packs

25
Q

Ideally where should the STSR start with to open supplies on? Then they open from where in the room and work outward toward the periphery?

A
  1. Ideally they start with the largest sterile area to open supplies on.
  2. They open from the center of the room and work outward toward the periphery.
26
Q

When should be checked to see if there is a break in the integrity of the drape?

A

IMMEDIATELY following opening a hard object on the back table drape

27
Q

What is the order of technique for opening sterile basin sets?

A
  1. Verify exposure to a sterilization process
  2. Tear sealing tape
  3. Open first flap away from you
  4. Open side flaps
    5Pull flap closest to you body towards you
28
Q

What is the preferred method to open a peel pack?

A
  1. Visually inspect the package
  2. Slowly peel back the outer wrapper
  3. Gently toss the item on a protected area of the back table or basin
29
Q

What are advantages of the rigid container system includes?

A
  1. Easy to store

2. Hard to damage integrity

30
Q

Who developed the “germ theory”?

A

Louis Pasteur

31
Q

What is used when microbes cannot be stained?

A

Dark field microscope

32
Q

What is the “Powerhouse” of the cell?

A

Mitochondria

33
Q

What is movement of a solvent (i.e water) through a semi-permeable membrane from an area of high concentration to a low concentration?

A

Osmosis

34
Q

What is the movement of particles out of a cell?

A

Exocytosis

35
Q

What are spherical bacteria arranged in CHAINS?

A

Streptococci

36
Q

What are spherical bacteria arranged in CLUSTERS?

A

Staphylococci

37
Q

What is any microbe capable of causing a disease?

A

Pathogen

38
Q

What are microbes that reside on the skin surface and are easily removed?

A

Transient Flora

39
Q

What is a substance used on living tissue to inhibit the growth of microbes, thus preventing infections?

A

Antiseptic

40
Q

What is an inanimate object that harbors microorganisms?

A

Fomite

41
Q

What is a living carrier that transmits disease?

A

Vector

42
Q

SHORT ANSWER

What is Flora?

A

Bacteria and other microorganisms that normally inhabit a bodily organ or part, ex intestinal flora

43
Q

SHORT ANSWER

What is Sepsis?

A

The spread of an infection from it’s initial site to the blood stream initiating a systemic response that adversely affects blood flow to vital organs.

44
Q

SHORT ANSWER

In the OR, a surgical tech is exposed to the following viruses: . In order to limit exposure they should

A
  • Hepatitis B & C *HIV *HPV
    1. Wear PPE at all times when blood is present
    2. Follow hospital policy and standard precautions
    3. Be vaccinated
    4. Follow up on exposure incident reports if an accident such as a needle stick occurs
45
Q

SHORT ANSWER

What is a host?

A

The larger of 2 organisms in a symbiotic relationship, or an organism or cell on OR in which a parasite lives or feeds.

ST220 (6 decks)

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