LO3 - Sterile Techniques Flashcards

1
Q

Nosocomial infection vs community acquired infection time frame and where acquired

A

Nosocomial - After 48 hr hospital stay up to a year. From hospital procedure

Community acquired - within 48 hrs hospital stay, acquired outside the hospital

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2
Q

Nosocomial infection examples (5)

A
1- surgical site/wound infection
2- pneumonia (ventilator assoc)
3- Catheter induced
4- bloodstream infection
5- GI infection (c.diff, MRSA, VRE)
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3
Q

What is the most common cause of infectious diarrhea in hospitals

A

C diff

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4
Q

Bacterium that can cause staph infection, pneumonia, infection and sepsis

A

MRSA

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5
Q

What bacteria naturally present in intestinal tract

A

VRE

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6
Q

Community acquired infections (5)

A
Common cold
Influenza
Norovirus
Bacterial pneumonia
Hepatitis C
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7
Q

Medical asepsis - what is it, what are examples (3)?

A

Inhibits growth and spread of pathogens

hand washing (BEST), PPE, cleaning equipment

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8
Q

What is surgical asepsis, what is the technique, when is it used?

A

Destroys pathogens (ABSENCE) and their SPORES
Sterile technique
Invasive procedure that involves penetration of body tissues

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9
Q

4 moments of hand hygiene

A

Before pt care
After blood, body fluid, secretion/excretion, contaminated items
Immediately after gloves
Between pt/pt contact

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10
Q

A sterile object out of vision is considered contaminated unless when (2)

A

Covered by sterile drape

Placed in closed room for short amount of time

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11
Q

T/f the edge of the sterile field / container is considered contaminated (1-inch rim)

A

True

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12
Q

Research on sterile tray staying sterile after being opened (2)

A

Covered trays not contaminated during testing period

30% of trays are contaminated at 30 minutes at 4 hours

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13
Q

When should we open a sterile tray

A

Just prior to a procedure

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14
Q

What is the first zone OR suite

A

Unrestricted - street clothes

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15
Q

What is the 2nd zone OR suite?

A

Semi-restricted zone -
cap, mask, scrubs, shoe covers

Area limited to authorized workers/pts
Storage area

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16
Q

What is the 3rd zone OR suite?

A

Restricted
Cap, mask, scrubs, shoe covers AND sterile applications
Area where sterile supplies are opened/procedure performed

17
Q

What are the most common causes of contamination? (4)

A

Gloves
Microorganisms blown onto surgical site
Wet/damp sterile field
Instruments

18
Q

High level disinfectant - what is it and examples

A

Kills microorganisms (not necessarily bacterial spores unless contact time high), used for short periods (10-30 min) used on medical devices

Formaldehyde, cidex, hydrogen peroxide

19
Q

What is Intermediate level disinfectant used for & examples

A

Disinfect lab benches, housekeeping

70% ethyl alcohol
Isopropyl alcohol
Sami-cloth
Bleach
Pyrex
ChloraPrep & soluPrep (skin)
20
Q

What does intermediate level disinfectant kill that low level doesn’t

A

Tuberculosis

21
Q

Low level disinfectant examples

A

Lysol
Pinesol
Providing iodine

22
Q

what are the two main mechanisms to kill microorganisms? Give examples of each

A

Physical - heat/filtration/radiation/vibration/sunlight

Chemical - gas/liquid solutions

23
Q

What is the most commonly used method of physical sterilization

A

Heat

24
Q

What is used on materials that cannot withstand steam sterilization

A

Ethylene oxide (gas)

25
Q

3 Examples of chemical solutions for sterilization

A

Alcohols
Aldehydes
Halogens

26
Q

What do you do before opening a sterile pack (2)

A

Expiration date

Condition of pack

27
Q

How to do the surgical scrub (3)

A

1- Pre-scrub wash - scrub up to elbow, water drip AWAY from hands
2- surgical scrub to elbow with nail pick & scrub brush
3- final surgical scrub with microbial soap, rinse hands towards elbow with hands up

Already have on cap, face mask, goggles and shoe covers - gown and gloves go on last

28
Q

Sterile gowning - how

A

Hands in flaps on both sides, step away from sterile field so gown can open

29
Q

Which hand gets inserted first with sterile gloving?

A

Dominant hand FIRST

30
Q

Order of sterile procedure

A

Scrub up (gown/gloves last)
Skin prep
Sterile drape

31
Q

Donning sequence

A

Gown
Mask
Goggles/face
Gloves

32
Q

Taking off PPE order

A

Gloves
Goggles/face
Gown
Mask