Disinfection/ sterilization Flashcards

1
Q

methods of control

A

sterilization, disinfection, cleaning

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2
Q

Destroys all forms of microbial life including parasites, fungi, bacteria, bacterial spores, and viruses

A

Sterilization

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3
Q

eliminated virtually all recognized pathogens but not all

A

Disinfection

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4
Q

Chemical disinfection of tissue usally skin or mucous membrane

A

Antisepsis

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5
Q

Removal of pathogenic microorganisms from inaminate (non-human).

A

Sanitation

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6
Q

Removal of foreign material such as soil or body secretions but does not imply sterilization or disinfection.

A

Cleaning

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7
Q

-cidal

A

suffix meaning death

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8
Q

static

A

no further growth can occur but microorganism is not killed

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9
Q

critical items such as needles and surgical equipment

A

contact with human tissue

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10
Q

contact with non-sterile mucous membranes and body surfaces such as ETT tubes and laryngoscope blade

A

Semi- critical items

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11
Q

contact with skin such as counters or stretchers

A

non- critical items

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12
Q

intermediate bacterial forms that develop in response to adverse condition

A

Endospores

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13
Q

Prion disinfection

A

high concentration NaOH

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14
Q

3 types of sterilization

A

Incineration, autoclave, ethylene oxide

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15
Q

Things that should incinerated

A

anything diposable that could have been contaminated with bodily fluids; gloves, used needles, lab cultures, blood samples, bandages

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16
Q

sterilization method that uses pressure and steam to kill microorganisms. 15 psi, 121C in 15 min

A

Autoclave

17
Q

ETO/ ethylene oxide

A

sterilization: kills all microorganisms; most respiratory equipment is sterilized this way.

18
Q

Types of disinefection

A

chemical, mechanical

19
Q

low level disinfectants

A

Alcohol, quatenary ammonium compounds

20
Q

Intermediate level cleaners

A

Cholrine containing agents, iodine, phenolic compound

21
Q

High level disinfectant, toxic to tissue

A

Glutareldehyde

22
Q

mechanical disinfection that uses moist heat at 77C for 30 min

A

Pasteurization

23
Q

Filtration- microbes get caught in the filter surface. Give 2 types.

A

membrane filters, HEPA filters

24
Q

protects the workers from aerosols, uses HEP filters, redierct air flow, exhaust system

A

Bio safety cabinets

25
Q

A way of doing something without introducing infections/sepsis

A

Asceptic technique