Laboratory: Lab Safety

Question 1

Two Primary Causes of Accidents

Answer 1

Unsafe activities
Unsafe environmental condition

Question 2

Safety Equipment

Answer 2

Safety showers & eye wash station
Fire extinguisher
Fume hood
Biosafety cabinets
Personal Protective Equipment

Question 3

Refers to biological substances that pose a threat to the health of living organisms, primarily that of humans.

Answer 3

Biological Hazard

Question 4

Healthcare facilities developed procedures
to control and monitor infections occurring within the facilities

Answer 4

Infection Control

Question 5

Blood and body fluid precautions should be consistently used for all patients

Answer 5

CDC → Universal Precautions (1985)

Question 6

Consist of bacteria, fungi, parasites, and viruses

Answer 6

Infectious Agents

Question 7

The location of potentially harmful microorganisms, such as a contaminated clinical specimen or an infected patient.

Answer 7

Reservoir

Question 8

Equipment and other soiled inanimate objects will serve as reservoirs, particularly if they contain blood, urine, or other body fluids

Answer 8

Fomites

Question 9

This can be through the mucous membranes of the nose, mouth, and eyes, and in blood or other body fluids

Answer 9

Portal of Exit

Question 10

Unprotected host touches the patient, specimen, or a contaminated object

Answer 10

Direct Contact

Question 11

Inhalation of dried aerosol particles circulating on air currents or attached to dust particles

Answer 11

Airborne

Question 12

The host inhales material from the reservoir

Answer 12

Droplets

Question 13

Ingestion of a contaminated
substance

Answer 13

Vehicle

Question 14

From an animal or insect bite

Answer 14

Vector

Question 15

Can be the same as the portal of exit, which includes the mucous membranes of the nose, mouth, and eyes, breaks in the skin, and open
wounds

Answer 15

Portal of Entry

Question 16

Can be another patient during invasive procedures, visitors, and healthcare personnel when exposed to infectious specimens or needlestick injuries

Answer 16

Susceptible Host

Question 17

Proper hand hygiene, correct disposal of contaminated materials, and wearing personal protective equipment (PPE) are of major importance in the laboratory

Answer 17

Chain of Infection

Question 18

Daily exposure to blood and body fluids

Answer 18

Category I

Question 19

Regular exposure to blood and body fluids

Answer 19

Category II

Question 20

No exposure to blood and body fluids

Answer 20

Category III

Question 21

Employers must offer HBV vaccine to all personnel (Category I and II)

Answer 21

True

Question 22

Specimens should be “capped” during centrifugation

Answer 22

True

Question 23

Any blood, body fluid, or other potentially infectious material spill must be cleaned up using:

Answer 23

Spill cleanup kit
Common aqueous detergent
10% bleach using appropriate contact time

Question 24

When skin contact occurs, the best first aid is to flush the area with large amounts of water for at least 15 minutes and then seek medical attention

Answer 24

Chemical Spills and Exposure

Question 25

Chemicals should never be mixed together unless specific instructions are followed, and they must be added in the order specified

Answer 25

Chemical Handling

Question 26

OSHA also requires all facilities that use hazardous chemicals to have a written

Answer 26

Chemical Hygiene Plan

Question 27

Classified according to flash point → the temperature at which sufficient vapor is given off to form an ignitable mixture with air

Answer 27

Flammable/Combustible Chemicals

Question 28

Injurious to the skin or eyes by direct contact or to the tissue of the respiratory and gastrointestinal tract if inhaled or ingested

Answer 28

Corrosive Chemicals

Question 29

Spontaneously explode or ignite or that evolve heat or flammable or explosive gases

Answer 29

Reactive Chemicals

Question 30

Hazardous chemicals should be labeled with a description of their particular hazard, such as poisonous, corrosive, flammable, explosive, teratogenic, or carcinogenic

Answer 30

Chemical Labelling

Question 31

Properties of MSDS

Answer 31

Physical and chemical characteristics Fire and explosion potential Reactivity potential Health hazards and emergency first aid procedures Methods for safe handling and disposal Primary routes of entry Exposure limits and carcinogenic potential

Question 32

R.A.C.E.

Answer 32

Rescue Alarm Contain Extinguish/Evacuate

Question 33

Hazardous material symbol

Answer 33

NFPA 704

Question 34

Blue in Hazard is

Answer 34

Health Hazard

Question 35

Red in Hazard is

Answer 35

Fire Hazard

Question 36

White in Hazard is

Answer 36

Specific Hazard

Question 37

Yellow in Hazard is

Answer 37

Reactivity

Question 38

Fire Type composed of wood, paper and clothing

Answer 38

Class A

Question 39

Fire Type composed of flammable organic materials

Answer 39

Class B

Question 40

Fire Type composed of electricals

Answer 40

Class C

Question 41

Fire Type composed of combustible materials

Answer 41

Class D

Question 42

Fire Type composed of grease, fat and oils

Answer 42

Class K

Question 43

Extinguisher with material of water

Answer 43

Class A

Question 44

Extinguisher with material of dry chemicals, carbon dioxide, halon and foam

Answer 44

Class B and C

Question 45

Extinguisher with material of liquid designed to prevent splashing and cool the fire

Answer 45

Class K

Question 46

P.A.S.S.

Answer 46

Pull Pin Aim Nozzle Squeeze Trigger Sweep Nozzle

Question 47

All sharp objects must be disposed in

Answer 47

Puncture-resistant, leak-proof container with the biohazard symbol

Question 48

All biological waste (EXCEPT URINE) should be placed in appropriate containers labeled with biohazard symbol

Answer 48

True

Question 49

(Urine) Decontaminate the sink by

Answer 49

1:5 or 1:10 dilution of sodium hypochlorite (bleach solution)

Question 50

Waste Disposal Technique

Answer 50

Incineration Recycling Landfill burial Flushing down the drain

Question 51

Collected in approved containers

Answer 51

Flammable solvents

Question 52

Specially-designed incinerators

Answer 52

Flammable Material

Question 53

Landfill

Answer 53

Solid Chemicals

Question 54

Green Disposal Bin

Answer 54

General Waste

Question 55

Red Disposal Bin

Answer 55

Infected Plastics

Question 56

Yellow Disposal Bin

Answer 56

Infected Waste

Question 57

Blue Disposal Bin

Answer 57

Glassware