Safety in the Clinical Laboratory Flashcards

(35 cards)

1
Q

What are the 3 routes of infection?

A
  1. Inhalation
  2. Ingestion
  3. Direct inoculation or skin contact
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2
Q

What are the 6 components of Chain of Infection?

A

(I, R, E, M, E, S)

  1. Infectious agent
  2. Reservoir
  3. Exit Portal
  4. Mode of Transmission
  5. Entrance Portal
  6. Susceptible host
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3
Q

What is the best way to break the chain of infection?

A

Handwashing

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4
Q

To handwash thoroughly, the duration of the process must be at least _____

A

15 to 20 seconds

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5
Q

Rinsing after handwashing must be in a _________ position.

A

Downward

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6
Q

How many times should the “Happy Birthday” song be sang while handwashing?

A

2x (twice)

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7
Q

All biological waste, except urine, must be placed in appropriate containers labeled with the ________ symbol.

A

Biohazard

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8
Q

What is the accepted “Biohazard” label?

A

Fluorescent orange

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9
Q

What is used in disinfecting the sink and how often should it be disinfected?

A

1:10 dilution of sodium hypochlorite; daily

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10
Q

Disinfection using 1:10 dilution of sodium hypochlorite eliminates many or all pathogenic microorganisms, except _________?

A

Bacterial spores

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11
Q

How do you prepare a 1:10 dilution of sodium hypochlorite?

How long does it last before you need to make again?

A

By adding 1 part of sodium hypochlorite to 9 parts of water; one month

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12
Q

How do you describe the biohazard symbol?

A

Three circles overlapping each other equally like a triple Venn diagram

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13
Q

This type of hazard must be disposed in a puncture-resistant container

A

Sharp hazard

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14
Q

What is the type of hazard that involves procedures that perform using radioisotopes?

A

Radioactive hazard

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15
Q

What is the best first aid for chemical spills?

A

Flush the area with amounts of water for at least 15 mins then seek medical attention

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16
Q

What should you do if you accidentally have alkali or acid burns in the eye?

A

Wash out the eye thoroughly with running water for 15 mins

17
Q

What does NFPA means?

A

National Fire Protection Association

18
Q

In NFPA Hazardous Materials Classification, what are the 4 quadrants and its corresponding colors?

A

Mnemonics: “You Were Born Right”

Yellow = Reactivity/Stability hazard
White = Specific hazard
Blue = Health hazard
Red = Flammability hazard

19
Q

Classifications under reactivity/stability hazard:

A

0 = stable
1 = unstable if heated
2 = violent chemical change
3 = shock & heat may deteriorate/detonate
4 = may deteriorate/detonate

20
Q

Classifications under specific hazard:

A

OXY = oxidizer
ACID = acid
ALK = alkali
COR = corrosive
W = use no water
(Radiation sign) = radiation

21
Q

Classification under health hazard:

A

0 = normal material
1 = slightly hazardous
2 = hazardous
3 = extreme danger
4 = deadly

22
Q

Classifications under flammability hazard:

A

0 = will not burn
1 = above 200F
2 = below 200F
3 = below 100F
4 = below 73F

23
Q

What are the degree of hazards?

A

0 = no/minimal
1 = slight hazard
2 = moderate hazard
3 = serious hazard
4 = extreme/severe hazard

24
Q

What should you do if electrical shock occurs on a person?

A
  1. Never touch the person or the equipment involved,
  2. Turn off the circuit breaker,
  3. Unplug the equipment,
  4. Move the equipment using a nonconductive glass or wood object
25
Flammable chemicals should be stored in safety cabinets and ____________________ in a remote area.
explosion-proof refrigerators
26
What should you do when a fire is discovered?
Mnemonics: RACE Rescue Alarm Contain Extinguish/evacuate
27
How do you operate a fire extinguisher?
Mnemonics: PASS Pull the pin, Aim at the base of the fire, Squeeze handles, Sweep nozzle side to side
28
What type of fire does include ordinary combustibles such as paper, cloth, rubbish, plastic, wood? What type of fire extinguisher should be used?
Type A; water, dry chemical, loaded steam
29
What type of fire does include flammable liquids such as grease, gasoline, paints, oil? What type of fire extinguisher should be used?
Type B; dry chemical, carbon dioxide, halon foam (liquid)
30
What type of fire does include flammable metals such as mercury, magnesium, sodium, lithium? What type of fire extinguisher should be used?
Type D; metal X, sand, dry powder
31
What type of fire does include detonation (arsenal fire)? What type of fire extinguisher should be used?
Type E; it is allowed to burn out and nearly materials protected
32
What type of fire does include cooking media such as grease, oils, fats? What type of fire extinguisher should be used?
Type K; use liquid designed to prevent splashing and cool the fire
33
What hazard is work-related and include strain due to repeated positions?
Ergonomic hazards
34
What hazard is a hazard due to extremely low temperatures?
Cryogenic hazards
35
What hazard does include centrifuges, refrigerators, autoclaves, homogenizers, and glasswares?
Mechanical hazards