Principles Of Sx: Aseptic Technique

Question 1

Antisepsis

Answer 1

Prev of infection by exclusion, destruction, or inhibition of growth from body tissues or skin

Question 2

Antiseptics

Answer 2

Inorganic compounds that inhibit microbe growth on skin

Question 3

Asepsis

Answer 3

Absence of microorganisms that cause disease

Question 4

Decontamination

Answer 4

Cleaning, disinfection, or sterilization processes that make contaminated items safe to touch

Question 5

Disinfection

Answer 5

Chemical/mechanical destruction of pathogens

Question 6

Irreducible minimum

Answer 6

Can’t reduce amt of bacteria any further

Question 7

Spatial relationships

Answer 7

Be aware of your surroundings & whats sterile/not sterile

Question 8

What to do in OR

Answer 8

DO: minimize talking & moving; scrubbed team face sterile field; sx team remain in OR

Question 9

What not to do in OR

Answer 9

Reach over sterile field if not scrubbed in

Question 10

If you question the sterility, then…

Answer 10

Object is contaminated

Question 11

Sterile area on Sx gowns

Answer 11

Waist to shoulder

Question 12

3 levels of critical sterility

Answer 12

• critical
• semi-critical
• non-critical

Question 13

Critical sterility

Answer 13

• objects enter the body
• MUST BE STERILIZED

Question 14

Semi-critical sterility

Answer 14

• contacts the skin or mmfor sx purpose
• no penetration of body
• CLEAN & DISINFECT

Question 15

Non-critical sterility

Answer 15

• object contacts mm and skin
• not directly assc. w/ sx
• CLEAN & DISINFECT

Question 16

T or F: items in a wet container are sterile

Answer 16

False, they are not

Question 17

If you start sx seated, you must finish it…

Answer 17

Seated

Question 18

Patients w/ known pathogenic microbes should be…

Answer 18

Isolated

Question 19

What disinfectant can’t be used on skin?

Answer 19

Chlorhexidine

Question 20

What disinfectant can be used on mm?

Answer 20

Iodine

Question 21

Use of isopropyl alcohol? Is it a good disinfectant &/or antiseptic?

Answer 21

• spot cleaning; injection site prep
• good disinfect
• very good antiseptic

Question 22

MOA of alcohol

Answer 22

• protein denaturation
• cell lysis
• interruption

Question 23

Chlorine compounds

Answer 23

• good disinf.
• fair antisept.
• release free chlorine & O2
• corrosive to metal

Question 24

Iodine compounds

Answer 24

• good disinfectant/antiseptic
• stains
• iodination & oxidation of essential molecules

Question 25

Glutaraldehyde: 2% alkaline solution

Answer 25

- disinfect lenses & delicate instruments - good disinfectant & sterilizer - not an antiseptic - protein & nucleic acid alkylation - lil stinky, so rinse

Question 26

6 sterilization methods

Answer 26

Pressurized steam, Ethylene oxide, Plasma, Paracetic acid sterilization, Ionizing radiation, Cold chemical (Use proper indicator strips)

Question 27

Wraps should be penetrable to ______ & impenetrable to ______

Answer 27

* penetrable to gas or steam * impenetrable to microbes

Question 28

Woven wraps

Answer 28

- penetrate pack - shorter shelf life - higher thread ct= higher shelf life

Question 29

Double wrapped packs have a _______ shelf life compared to the singles

Answer 29

Longer

Question 30

Non-woven wraaps

Answer 30

- water resistant - increased shelf life - made of cellulose - weaker

Question 31

After autoclaving, packs should be…

Answer 31

Allowed to dry & cool

Question 32

What determines the shelf life of sterilized packs?

Answer 32

Events

Question 33

Common contaminants during sx (7)

Answer 33

Staph, Strep, Corynebacterium, Pityrosporum, E. Coli, Enterobacter, Clostridium

Question 34

If implants are involved, then infection can happen in….

Answer 34

30 days-1 yr

Question 35

Most common sx infection site

Answer 35

Skin

Question 36

Fasting for general sx

Answer 36

6-12 hrs prior

Question 37

Fasting times for neonates

Answer 37

2 hrs prior

Question 38

Is H2O restricted pre-sx?

Answer 38

No

Question 39

Always allow animal to do what before Sx?

Answer 39

Pee & poop

Question 40

You should confirm what pre- Sx?

Answer 40

Patient, procedure, sx site

Question 41

It doing a lower GI surgery, then give

Answer 41

Abx as needed

Question 42

Before doing abdominal sx on males, you should

Answer 42

Do preputial flush w/ iodine solution

Question 43

How many cycles of cleansing scrub should you use?

Answer 43

3

Question 44

Hanging leg prep

Answer 44

- Circumferential clipping - cover distal limb - drape out of field

Question 45

Abdominal incision specifics

Answer 45

From xiphoid to pubis