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PMLS Midterms > Laboratory Hazards > Flashcards

Laboratory Hazards Flashcards

1
Q

Types of safety hazards

A

Biological, sharps, chemical, radioactive, electrical, fire/explosive, physical

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2
Q

Guidelines, regulations, and safety policies are mandated by

A

CDC, OSHA

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3
Q

What is CDC

A

Centers for Disease Control and Prevention

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4
Q

What is OSHA

A

Occupational Safety and Health Administration

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5
Q

-patients are considered as possible carriers of bloodborne pathogens
-Excluded urine and other body fluids not visibly contaminated by blood

A

Universal Precautions (UP) - 1987

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6
Q
  • not limited to blood born pathogens
  • all body fluids and moist body substances are possibly infectious
A

Body Substance Isolation (BSI)

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7
Q

Combination of UP and BSI guidelines

A

Standard Precautions

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8
Q

Standard Precautions

A
  1. Hand Hygiene
  2. Gloves
  3. Mouth, nose, and eye protection
  4. Gown
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9
Q

Use ____ mask during activities connected with mycobacterium exposure

A

N95

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10
Q

It is the hand washing and use of sanitizer

A

Hand hygiene

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11
Q

Donning of PPE

A
  1. Gown
  2. Mask
  3. Goggles
  4. Gloves
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12
Q

Doffing of PPE

A
  1. Gloves
  2. Gown
  3. Goggles
  4. Mask
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13
Q

Handwashing procedure

A

Wet, lather, scrub, rinse, and dry

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14
Q

In disposing biological waste, place all specimen (except urine) in a container with _____________

A

Biohazard symbol

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15
Q

Biologic waste should be:

A

Incinerated, autoclaved, or picked up by a licensed disposal company

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16
Q

How to discard urine?

A

Discard it in the sink, then flush with water, disinfect the sink (using 1:5 or 1:10 dilution of sodium hypochlorite) daily

17
Q

How to discard urine?

A

Discard it in the sink, then flush with water, disinfect the sink (using 1:5 or 1:10 dilution of sodium hypochlorite) daily

18
Q

Needles, lancets, and broken glassware are exampe of what hazard?

A

Sharp hazards

19
Q

Possible injury from sharp hazards

A

Cuts, puncture, or blood borne exposure

20
Q

If there’s skin contact, flush the area with large amount of water for atheist ___ minutes, then seek medical application

A

15

21
Q

True or False

Chemicals should be mixed together

A

False

22
Q

Meaning of NFPA

A

National fire protection association

23
Q

Provides immediate general sense of hazards of a material in the severity of these hazards as they relate to emergency response

A

NFPA

24
Q

A number rating system of ___ is provided to rate each of the 4 hazards

A

0-4

25
Q

Meaning of MSDS

A

Material Safety Data Sheets

26
Q

A document required by OSHA detailing safety information about each hazardous substance

A

MSDS

27
Q

People exposed to radioactive hazards are required to wear a

A

Film badge

28
Q

Two major electrical hazards in the lab

A
  1. Physical harm from laboratory shocks or burns when a person comes into contact with an electrical sources
  2. Dangers from fire caused by heat and sparks generated by malfunctioning wiring or equipment
29
Q

3 elements of fire/explosive hazards

A

Heat, fuel, and oxidizing agent (usually oxygen

30
Q

It naturally occurs when the elements are combined in the right mixture

A

Fire

31
Q

Identify what class and extinguisher to use

Common materials wood, paper, clothing

A

Class A; water

32
Q

Identify what class and extinguisher to use

Flammable organic chem, gas, alcohol, Solvent

A

Class B; dry chem, CO2, foam, halon

33
Q

Identify what class and extinguisher to use

Electrical

A

Class C; dry chem, CO2, halon

34
Q

Identify what class and extinguisher to use

Combustible chemicals/metals

A

Class D; sand or dry powder

35
Q

Identify what class and extinguisher to use

Grease, oil, fats

A

Class K; liquids designed to prevent splashing and cool the fire

36
Q

Fill in the blanks.

fire extinguishers
______- liquefied, compressed gas
______- pressurized water
______- carbon dioxide
______- dry chemicals

A

Halon - liquefied, compressed gas
A - pressurized water
BC - carbon dioxide
ABC - dry chemicals

PMLS Midterms (5 decks)

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