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SAS scs RUSVM > Lab: Suture, Bandaging and Asepsis > Flashcards

Lab: Suture, Bandaging and Asepsis Flashcards

1
Q

T/F: Suture should be as strong as the tissue being sutured, not stronger nor weaker.

A

True

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2
Q

What is the measurement of a suture’s ability to resist breakage?

A

Tensile strength

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3
Q

Where does most suture break?

A

At the knot (= weakest point)

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4
Q

What is the ability of fluid or bacteria to wick along suture?

A

Capillarity

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5
Q

Absorbable suture is suture that looses most of its tensile strength by ___ days.

A

60

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6
Q

How is suture treated to decrease tissue drag?

A

Coating

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7
Q

What is the trade name for Poliglecaprone 25?

A

Monocryl

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8
Q

T/F: Chromic gut is absorbable.

A

True

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9
Q

What is the trade name for Polyglactin 910? What type of suture is it?

A

Vicryl

Synthetic braided absorbable

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10
Q

What is Vicryl Plus coated with?

A

Tricolsan (antimicrobial)

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11
Q

What is the trade name for polyglycolic acid? What type of suture is it?

A

Dexon

Synthetic absorbable braided

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12
Q

What are your options for quickly absorbed suture to close non-infected bladders?

A

Monocryl (Poliglecaprone 25)

Caprosyn (Polyglytone 6211)

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13
Q

What is the trade name for Glycomer 631? What type of suture is it?

A

Biosyn

Synthetic monofilament absorbable

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14
Q

Which suture, similar to PDS, maintains strength for 6 weeks? For how long does PDS maintain 50% TS?

A

Maxon (Polyglyconate)

6 months

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15
Q

Which suture types absorb in a short amount of time? Intermediate? Long? Include what type of suture is it.

A

Short: Vicryl RAPIDE (polyglactin 910- synthetic braided), Monocryl (poligelcaprone 25- synthetic monofilament), Caprosyn (polyglytone 6211- synthetic monofilament)

Intermediate: Vicryl (polyglactin 910- synthetic braided), Biosyn (glycomer 631- synthetic monofilament)

Long: PDS (polydioxanone - synthetic monofilament), Maxon (polyglyconate- synthetic monofilament)

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16
Q

What is the problem with using silk suture? When is it used?

A

Highly inflammatory

For certain cardiovascular surgery

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17
Q

What is the trade name for polypropylene? What type of suture is it?

A

Prolene

Synthetic non-absorbable monofilament

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18
Q

What is the trade name for nylon? What type of suture is it?

A

Ethilon

Synthetic non-absorbable monofilament

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19
Q

What is the trade name for polymerized caprolactam? What organ is it exclusively used in?

A

Vetafil

Skin

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20
Q

What is the brand name for polyester? What type of suture is it?

A

Ethibond

Braided synthetic coated non-absorbable

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21
Q

What is the part of the eyeless needle called where the suture is attached?

A

Swage

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22
Q

What type of needle is this?

A

J needle

23
Q

What is the most commonly used curved needle size?

A

1/2 circle

(3/8 circle also common)

24
Q

Which type of needle can you NOT use for skin?

A

Taperpoint

25
Q

What type of needle dissects through friable tissue without cutting?

A

Blunt point

26
Q

What needle is typically used for skin?

A

Reverse cutting

27
Q

How do bandages promote healing?

A

By maintaining a CO2/acid environment initially at the level of the wound and disscociating O2 from Hb to increase oxygenation

28
Q

Which layer of the bandage is used to provide support and decrease dead space?

A

Secondary

29
Q

What risk arises if exudate reaches the tertiary layer of a bandage?

A

Bacterial strike through

30
Q

What part of the bandage may you leave in place if you change the bandage?

A

Stirrups

31
Q

What 2 techniques can you use to prevent a thoracic bandage from slipping?

A

Tape overlay

Torso strap

32
Q

What type of bandage is this?

A

Tie Over

33
Q

What type of bandage is commonly used for a degloving injury?

A

Modified Robert Jones

34
Q

In which direction do you need to apply cast padding?

A

Distal to proximal

35
Q

What bandage is used primarily for initial fracture stabilization distal to the elbow or stifle?

A

Robert Jones

36
Q

What type of split is used to temporarily splint fractures or luxations proximal to or including the elbow or stifle?

A

Spica splint

37
Q

What type of bandage is used to create a non-weight-bearing forelimb?

A

Velpeau spling

(Velpeau for elbow)

38
Q

Which bandage is used to create a non-weight-bearing hind limb, provides femoral abduction, and inward hip rotation?

A

Ehmers sling (aka Figure Eight sling)

(Ehmers for femurs)

39
Q

Which bandage type that creats a NWB hind limb allows for limited motion? Why do you want limited motion?

A

Robinson Sling

To prevent/meliorate disuse atrophy and promote healing

40
Q

What is used under a full leg cast to wick away moisture and protect the skin?

A

Stockinette

41
Q

Asepsis or Antisepsis?

  1. Prevent wound contamination by destroying organisms before they enter the wound
  2. Killing of bacteria after they have entered the wound
A
  1. ASEPSIS: Prevent wound contamination by destroying organisms before they enter the wound
  2. ANTISEPSIS: Killing of bacteria after they have entered the wound
42
Q

Disinfection or Sterilization?

  1. The process of destroying all organisms; bacteria, fungi, spores.
  2. Use of germicidal substances to kill most micoorganisms.
A
  1. Sterilization: The process of destroying all organisms; bacteria, fungi, spores.
  2. Disinfection: Use of germicidal substances to kill most micoorganisms.
43
Q

T/F: Most surgical wounds contain bacteria by the time the procedure is completed.

A

True

44
Q

What is the minimum contact time for surgical site prep scrub?

A

5 minutes

45
Q

What is the primary aerial bacteria source during surgical prep?

A

You (surgical personnel)

46
Q

Which sterilizaton method is most common and causes the destruction or denaturation of cellular proteins?

A

Steam sterilization- Autoclaving

47
Q

What is a disadvantage of using an autoclave to sterilize surgical instruments, such as scissors?

A

It dulls sharp instruments

48
Q

How long do you need to aerate gas permiable items after chemical sterilization with ethylene oxide?

A

24 hours

49
Q

What chemical sterilization agent can be used for scopes and other equiptment that cannot be sterilizaed by other methods?

A

“Cold” desinfection with Glutaraldehyde

(Sterilization in 10 hours, disinfection in 10 min)

50
Q

Match the sterile pack shelf life with the packaging:

1 year
9 months
10 weeks
8 weeks
3 weeks

  1. 2 layers: polyethylene + muslin
  2. 2 layers: crepe paper + muslin
  3. 1 layer: crepe paper
  4. Heat-sealed paper or transparent plastic pouch
  5. 2 layers: double muslin wrap
A
  1. 2 layers: polyethylene + muslin: 9 months
  2. 2 layers: crepe paper + muslin: 10 weeks

3. 1 layer: crepe paper: 3 weeks SHORTEST

4. Heat-sealed paper or transparent plastic pouch: 1 year LONGEST

  1. 2 layers: double muslin wrap: 8 weeks
51
Q

What is the most secure method of vessel occlusion?

A

Ligatures

52
Q

What scalpel handle number and corresponding blade number is used in small animals? Large animals?

A

Small #3, 10 blades

Large #4, 20 blades

53
Q

Which scalpel grip is best for short precise incisions? Which is best for long incisions?

A

Short: Pencil grip

Long: Fingertip grip

54
Q

What scissor grip that with practice is easier than hyperextending the wrist or trying to cut with the non-dominant hand to cut toward yourself?

A

Backhand grip

SAS scs RUSVM (24 decks)

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