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VM 580 - Vet Surgery & Anesthesia > Mod 3 - Asepsis 8/28 > Flashcards

Mod 3 - Asepsis 8/28 Flashcards

1
Q

T/F - all surgical wounds become contaminated.

A

True! Doesn’t matter how careful you are!

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2
Q

what are 4 surgical asepsis barriers?

A
  1. gloves
  2. gowns
  3. masks
  4. drapes
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3
Q

T/F - when placing towels on your prepped patient, you can move the towel inward (toward the incision site) but NEVER pull it away!

A

False - NEVER PUSH TOWARD INCISION SITE

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4
Q

define asepsis

A

absence of pathogenic microbes or infection in living tissue

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5
Q

define sterilization

A

process of destroying all microorganisms - can only be performed on inanimate objects

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6
Q

define disinfectant

A

an agent that destroys pathogens on inanimate objects

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7
Q

define disinfection

A

use of germicidal agents on inanimate objects

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8
Q

define antisepsis

A

use of antimicrobial chemicals on living tissue to kill OR inhibit growth of pathogens

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9
Q

define antiseptics

A

antimicrobial chemicals used on living tissue

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10
Q

define antibiotics

A

chemical substances that alter microbial activity in the patient - can be bacteriostatic OR bactericidal

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11
Q

what is the goal of aseptic surgery?

A

to minimize the degree of wound contamination thru use of barriers, sterilization, antisepsis, and operating facility preparations

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12
Q
  • 7yo FI Labrador
  • wound repair 10d ago
  • jumped over metal fence & traumatized abdominal area
  • surgery pursued within 2hrs of presentation
  • purulent & hemorrhagic discharge
  • warm to touch
  • painful w/gentle palpation
  • mild-mod swelling
  • mild dehiscence

what type of surgical site infection (SSI) would this be classified as?

A. superficial SSI
B. deep SSI
C. organ/space SSI

A

A.

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13
Q

describe a superficial SSI (2)

A
  1. within 30d post-procedure
  2. involves skin &/or SQ tissue
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14
Q

describe a deep SSI (2)

A
  1. within 30-90d post-procedure
  2. involves fascia or muscle layers
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15
Q

describe an organ/space SSI (2)

A
  1. within 30-90d post-procedure
  2. any area other than incisions (skin, fascia, muscle layers not near incision)
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16
Q

Which is a risk factor for a surgical site infection (SSI)?

A. duration of surgery
B. duration of anesthesia
C. surgical site prep
D. method of wound closure

A

All of the above!

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17
Q

how can duration of surgery inc. the risk of SSI?

A

risk doubles for each hour (on top of procedure duration)

18
Q

how can duration of anesthesia inc. the risk of SSI?

A

longer duration = dec. body temp & impact on immune system

19
Q

how can the surgical site prep inc. the risk of SSI?

A

if you pre-clip the patient (shaving patient hrs to days before surgery)
- causes abrasion = inc. risk of infection

20
Q

how can the method of wound closure inc. the risk of SSI?

A

skin staples vs. suturing
- MSU = suturing > staples

21
Q

which pathogen is the leading cause of SSI in dogs?

A. staphylococcus aureus
B. staphylococcus pseudintermedius
C. Escherichia coli
D. clostridium

A

B. - normally lives on skin

22
Q
  • 7yo FI Labrador
  • wound repair 10d ago
  • jumped over metal fence & traumatized abdominal area
  • surgery pursued within 2hrs of presentation

based on this history, how would you classify the wound?

A. clean
B. clean-contaminated
C. contaminated
D. dirty

A

C.

23
Q

what is a clean wound? (7)

A
  1. non-traumatic
  2. uninfected
  3. no break in aseptic technique
  4. no inflammation
  5. elective surgery
  6. no drains
  7. primarily closed
24
Q

what is a clean-contaminated wound? (2)

A
  1. controlled entry into hollow viscus
  2. minor break in aseptic technique
25
Q

what is a contaminated wound? (4)

A
  1. open
  2. fresh traumatic wound
  3. non-purulent inflammation
  4. major break in aseptic technique
26
Q

what is a dirty wound? (4)

A
  1. purulent material
  2. perforated viscus
  3. fecal contamination
  4. foreign material (>4hr)
27
Q

would you bathe a patient the day prior to surgical intervention?

A

NO

28
Q

what are some things you have to do or wear regarding wound treatment? (4)

A
  1. remove hair to prep area
  2. wear gloves
  3. use sterile lubricant
  4. cover scrubs with apron
29
Q

T/F - always prep a wound from internal to external.

A

True

30
Q

T/F - when you move gauze around the wound (like a racecar on a track), you should never spin the gauze as you go.

A

False - gauze MUST turn - otherwise, contaminated edge comes in contact with inner, already cleaned, region

31
Q

what is NOT a characteristic of an ideal barrier?

A. resistant to bacterial penetration
B. resistant to fluid penetration
C. can be sterilized
D. tears easily

A

D.

32
Q

T/F - keep the hair on your head covered! However, a mask is enough to cover facial hair.

A

False - must wear a beard hood

33
Q

T/F - you can wear your own surgery cap but all hair MUST be contained within the cap!

A

True

34
Q

T/F - you can wear fake nails to surgery because you’ll be wearing gloves anyway.

A

False!

35
Q

Nails must be no longer than ?.

Even at ? (length), you must clean beneath your nails with a pick.

A

5 mm

1 mm

36
Q

What must you make sure you do after surgically prepping your hands and rinsing them?

A

stick your butt out!

37
Q

If you’re right-handed, the patient’s head will always be to your (right/left) and the patient’s tail will always be to your (right/left).

A

left
right

38
Q

when making an incision, what direction must you cut? (Use your doctor words!)

A

cranial to caudal

39
Q

the more delicate the instrument, the (better/worse) they are for ultrasonic cleaning.

A

worse!

40
Q

Packing instruments for steam sterilization:
- hinged instruments kept (closed/open)
- pack (tightly/loosely)
- disassemble ? instruments
- bowls placed face (down/up)

A
  • open
  • loosely
  • threaded
  • down
41
Q

what are the 3 types of steam sterilization? which is most common?

A
  1. gravity displacement (most common)
  2. vacuum displacement
  3. air removal critical

VM 580 - Vet Surgery & Anesthesia (11 decks)

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