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H&DF > Sanitation > Flashcards

Sanitation Flashcards

1
Q

cheapest and most effective way of disease prevention

A

sanitation

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2
Q

first step in sanitation

A

barn hygiene- removing gross contamination, clean animal, areas animal goes, yourself. soap and water.

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3
Q

Removing visable contamination removes up to ___% of pathogens

A

95%

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4
Q

how soap removes bacteria

A

doesnt kill, helps to break down (emulsify) oils into small droplets. allows it to mix w water and be washed away

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5
Q

Step 2 in sanitation

A

Disinfection

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6
Q

List examples of natural forms of disinfection

A

drying agents: moving air, sunlight (prolonged UV light), ground limestone

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7
Q

define disinfection

A

process used to destroy harmful/ pathogen organisms on inanimate objects

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8
Q

difference between -icidal and -static

A
  • icidal= kills

- static= reduces growth of

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9
Q

define an antiseptic

A

put on living tissue to reduce pathogens

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10
Q

define sterilization

A

complete destruction of all forms of microorganisms by chemical or physical means (heat and pressure)

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11
Q

how an autoclave sterilizes

A

heat and pressure

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12
Q

typically, which is at higher concentrations: antiseptic or disinfectant

A

disinfectant

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13
Q

which is typically mixed at a higher concentration: -icidal or -static

A

-icidal

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14
Q

factors that could effect a disinfectant

A

time, temp, ph, # and type of organism, presence of extraneous material, concentration

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15
Q

Chlorine comp: disinfectant or antiseptic?

A

disinfectant (also sanitizer)

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16
Q

Chlorine comp: effective against

A

Bacteria, some viruses, fungi, algae, not spores

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17
Q

which disinfectants dont get inactivated in organic matter

A

chlorhexidine, quat compounds, phenol

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18
Q

chlorine comp: how long must remain on site

A

10 min

19
Q

why we use chlorine compounds for blood spills

A

effective against AIDS and Hep B

20
Q

example of iodine compound

A

betadine

21
Q

iodine comp: disinfectant or antiseptic

A

both

22
Q

iodine comp: effective against

A

bacteria, viruses, fungi, algae, not spores

23
Q

iodine comp: ab how long is residual activity

A

4-6hrs

24
Q

what is iodophor

A

combo of iodine and a carrier molecule, allows iodine to be released overtime (prolonged activity) good antiseptic

25
Q

Chlorhexidine: antiseptic or disinfectant

A

both

26
Q

Chlorhexidine: effective against

A

bacteria, viruses, fungi, algae, some spores

27
Q

Chlorhexidine: how long residual activity

A

up to 2 days

28
Q

quat comp example

A

kennel sol

29
Q

quat comp: disinfectant or antiseptic

A

disinfectant

30
Q

Quat comp: effective against

A

bacteria, viruses, fungi, algae, not spores

31
Q

which disinfectant/ antiseptic effective against some spores

A

chlorhexidine

32
Q

phenol: antiseptic or disinfectant

A

disinfectant

33
Q

example of phenol disinfectant

A

household cleaners like lysol

34
Q

phenol: effective against

A

bacteia, viruses (probably fungi and algae)

35
Q

hydrogen peroxide aka

A

H2O2

36
Q

H peroxide: antiseptic or disinfectant

A

antiseptic

37
Q

H peroxide: effective against

A

some bacteria and viruses

38
Q

how H peroxide works

A

inhibits protein in cell walls
also
breaks down in H2O, releases free O2 gas (hence the bubbles)

39
Q

how do we typically prep skin for surgery

A

nolvasan or betadine applied, rinsed, then alcohol

40
Q

alcohol: antiseptic or disinfectant

A

antiseptic

41
Q

alcohol: effective against

A

bacteria, fungi, viruses, algae, no spores

42
Q

contact time for alcohol

A

several minutes

43
Q

if alcohol is applied to an open wound what happens

A

hurts, prolongs healing

44
Q

what kind or alcohol typically used

A

70% isoprophyl

H&DF (26 decks)

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