Laboratory Hazards

Question 1

These are the three types of Laboratory Hazards.

Answer 1

1. Physical
2. Chemical
3. Biological

Question 2

This is a hazard that requires contact.

Answer 2

Physical Hazard

Question 3

This is a hazard that involves reagents.

Answer 3

Chemical Hazard

Question 4

This is a hazard that involved microorganisms and pathogens.

Answer 4

Biological Hazard

Question 5

These are examples of physical hazards.

Answer 5

1. Needles
2. Broken Glass
3. Sharps

Question 6

These are examples of chemical hazards.

Answer 6

1. Spills and Sprays
2. Aspiration via Pipette
3. Skin Absorption

Question 7

These are examples of biological hazards.

Answer 7

1. Bites of Animals
2. Parasites

Question 8

These are necessary precautions when handling needles, broken glass, and sharps.

Answer 8

1. Do not recap needles
2. Use durable sharp containers
3. Use specific waste containers
4. Never directly handle broken glass

Question 9

These are safety precautions used in Biosafety Level 1 and 2 storage of chemical hazards.

Answer 9

1. Spill Containment Cabinets
2. Hazardous Waste Storage
3. Flammable Liquid Storage

Question 10

These are the 4 categories found in Material Safety Data Sheets.

Answer 10

1. Flammabiity (Red)
2. Reactivity (Yellow)
3. Health (Blue)
4. White (PPE)

Question 11

These are hazards that makes use of aerosols and droplets as their main sources of contamination.

Answer 11

Biological Hazards

Question 12

The most frequently reported infectious agent in laboratories in the US during 1979 to 1999

Answer 12

Mycobacterium tuberculosis

Question 13

This is an example of a single-source with multi-laboratory infections.

Answer 13

Brucellosis; Centrifugation

Question 14

These are the main contamination routes.

Answer 14

1. Inhalation
2. Skin
3. Ingestion
4. Occular Vision

Question 15

These are examples of chemicals that can contaminate via skin absorption.

Answer 15

1. Cylin
2. Ogranophosphate
3. Cyanide (Most Deadly)

Question 16

This is the element that blocks radioactive chemicals.

Answer 16

Lead (Pb)

Question 17

The difference between inserts and manuals.

Answer 17

Inserts are paperwork. Manuals are instructions.

Question 18

These are the PPE for BSL 1 and 2.

Answer 18

1. Laboratory Coat
2. Gloves
3. Goggles or Face Shield
4. Masks
5. Hearing Protection

Question 19

This is a PPE that is 1 time use and should always be worn in a laboratory.

Answer 19

Gloves

Question 20

This is a PPE that is used to protect the mucous membranes from air droplets.

Answer 20

Googles and Face Shields

Question 21

This is a PPE that reduces the amount of pathogens that enters the respirtory system.

Answer 21

Masks

Question 22

A procedure that tests which respirator is suited for the shape of your face and mouth.

Answer 22

Fit Testing

Question 23

This is a PPE that is a mandatory part of a laboratory outfit and requires inflammable fabric. BSL 3 must require this PPE to be disposable.

Answer 23

Lab Gown

Question 24

This is a type of spills that are manageable and can be cleaned by a regular person.

Answer 24

Minor Spills

Question 25

This is a type of spill that requires help from outside of a laboratory group.

Answer 25

Major Spill

Question 26

These are the materials that can be used to clean chemical spills.

Answer 26

1. Baking Soda 2. Polypropylene Pads 3. Diatomaceous Earth (Parasites)

Question 27

This is a type of spill that involved live organisms or bodily fluid.

Answer 27

Biological Spills

Question 28

This is the duration in which cleaning solutions must remain in biological spills.

Answer 28

at least 20 minutes

Question 29

These are the concentraion used in disinfecting surfaces.

Answer 29

1:10 and 1:50

Question 30

These are the two classification of fire.

Answer 30

1. Small Fire 2. Large Fire

Question 31

These are the classifications of fire extinguishers.

Answer 31

1. A (Wood or Paper) 2. B (Organic Material) 3. C (Electrical) 4. D (Metal) 5. K (Greese)

Question 32

This is the meaning of PASS.

Answer 32

Pull, Aim, Squeeze, Sweep

Question 33

This is what to avoid when designing a laboratory or workflow.

Answer 33

Common Pathways

Question 34

These are the factors wherein safety is depenent on.

Answer 34

1. Supervisor 2. Safety Manual and SOP 3. Trained Personnel 4. Risk Assessment 5. Lab Design

Question 35

This is the meaning of SOP.

Answer 35

Standard Operating Procedure