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Technique ST > Asepsis & Sterile Technique > Flashcards

Asepsis & Sterile Technique Flashcards

1
Q

Symbiosis

A

–Relationship of the human host and the indigenous flora

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2
Q

Mutualism

A

–Both organisms benefit and depend on each other

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3
Q

Synergism

A

•Two organisms work together to accomplish a goal they could not do independently

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4
Q

Commensalism

A

–One organism benefits
–The second neither benefits or is harmed

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5
Q

Neutralism

A

•Two organism occupy the same area with no effect on each other

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6
Q

Antagonism

A

•One microorganism inhibits or interferes the growth of another

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7
Q

What are some Examples of pathogenic relationships:

A

•Commensal microbes
•Nosocomial infections (acquired in healthcare setting)
•Airborne viruses

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8
Q

What is happening to microbes during an infection?

A

Multiplication of microbes in a host is called an infection

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9
Q

Nosocomial infections

A

–Hospital acquired infections
•25% acquired during surgery
•Goal of the STSR is the use of proper sterile technique to prevent the transmission of microbes preoperatively preventing SSI (surgical site infection)

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10
Q

Skin, hair and nares of surgical personnel can be usually the cause of what?

A

the source of infection

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11
Q

Bacteria is what type of organism?

A

Prokaryotic organisms

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12
Q

What is the Most commonly transmitted bacteria in the operating room?

A

Staphylococcus aureus

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13
Q

Coccoid is what shape and provide examples?

A

Coccoid - Round-shaped
–Diplococci
–Streptococci
–Staphylococci
–Coccobacilli

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14
Q

Bacilli has what shape?

A

–Rod-shaped, spore forming

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15
Q

Spirilla has what shape?

A

–Spiral-shaped

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16
Q

Microaerophiles needs how much oxygen?

A

–Requires low oxygen

17
Q

Obligate anaerobes requires how much oxygen?

A

–Require level of oxygen found in a typical room

18
Q

Capnophiles needs what?

A

–Grows best in high concentrations of carbon dioxide

19
Q

Bacteria spores

A

–Difficult to kill
–Lives in adverse conditions
–Live for a long time

20
Q

Tuberculosis

A

–Caused by mycobacterium tuberculosis
–Transmitted by airborne droplets
–Affects the lungs

21
Q

Viruses

A

–Non living particles
–Can mutate and adapt to environment
–Antibiotic resistant
–Mode of transmission
•Respiratory droplets
•Exchange of body fluids
•Ingestion of food and water
•Bites by carriers

22
Q

Prions

A

•Proteinaceous infectious particle
•Built of proteins with no DNA/RNA
•Transmitted by infected instruments
•Creutzfeldt-Jakob Disease (CJD)
•Attacks the brain

23
Q

Fungi

A

•Mycology
–Study of fungi
•Opportunistic pathogens
•Zygomycosis
–Caused by the common bread mold
–Rhino cerebral Zygomycosis

24
Q

What is The primary source of airborne bacteria in the OR

A

is the surgical team

25
Q

Many SSI are attributed by what?

A

the patient’s own flora

•SSI occur because of contamination during the procedure

26
Q

Modes of Transmission

A

–Direct contact
–Hepatitis is the blood borne pathogen that
puts healthcare workers at risk with contact
–Indirect contact
–Airborne spread

27
Q

What is the first & second source of transmission in the OR?

A

. 1st source Personnel
- Skin, hair and nares are reservoirs of bacteria
- The primary purpose of wearing gowns, caps, mask is to provide a barrier to contamination

. 2nd source of transmission through fomites and air
- Safe, clean spacious OR helps provide a low microbial environment

28
Q

Methods of Transmission
•The Patient

A

–Endogenous flora
–Concurrent infections at other body locations (UTI)

29
Q

Factors That Increase
Surgical Site Infections

A

•Age:
–Geriatric, pediatric
•Obesity
•Poor health
•Carriers of S. aureus
•Remote infections
•Preoperative hospitalization
•Preexisting illness
•Procedure related risk factors
–Preoperative hair removal

Technique ST (8 decks)

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