Post-Lab Chem Safety

Question 1

This is achieved by undertaking all activities involving chemicals in such a way as to ensure the safety of human health and the environment.

Answer 1

Chemical Safety

Question 2

Source of potential harm or danger

Answer 2

Hazard

Question 3

The measure of the magnitude, duration, and frequency of exposure to a potential hazard.

Answer 3

Exposure

Question 4

Possibility that harm or injury might core when exposed to a hazard.

Answer 4

Risk

Question 5

What is the risk of sharps?

Answer 5

Needle stick and potential infection from exposure.

Question 6

What is the risk of hazardous chemicals?

Answer 6

Accidental splash to the face and chemical burn

Question 7

How to be safe in the laboratory?

Answer 7

Proper PPE and attire
Laboratory floor plan
Chemical information and safety
Proper techniques
Basic Safety Rules

Question 8

Proper PPE

Answer 8

Clean laboratory gown, all buttoned up
Long pants
Clean shoes
Safety goggles
Nitrile/ Industrial Gloves

Question 9

Know the location of the Laboratory Floor Plan

Answer 9

• Storage of laboratory materials
• Laboratory Technician
• Showers, eyewash stations and fire extinguisher
• Emergency exit

Question 10

A document that contains information on the potential hazards and how to work safety with the chemical product.

Answer 10

Material Safety Data Sheet (MSDS)

Question 11

Proper Techniques in Using Equipment

Answer 11

• Use for its designated purpose
• Follow the correct method/ procedure of operation
• Use correct reagents/materials
• Know how to clean and maintain
• Proper storage

Question 12

Where should you not store solution of alkalis (NaOH)? Why?

Answer 12

Glass/stoppered container because it will leak

Question 13

Where are light-sensitive chemicals stored?

Answer 13

Amber-colored bottle

Question 14

Proper way of inhaling chemicals

Answer 14

Wafting Technique

Question 15

Acid to Water or Water to Acid?

Answer 15

Acid to water because if done otherwise, exothermic reaction will occur resulting to splashing.

Question 16

Who are only allowed to discharge fire extinguisher?

Answer 16

Instructors

Question 17

What not to do in heating test tubes?

Answer 17

Do not point it towards another person. Point it away instead.

Question 18

Routes of Toxicity

Answer 18

Ingestion
Inhalation
Absorption
Injection

Question 19

What is the mode of entry of ingestion?

Answer 19

Mouth

Question 20

Prevention of Ingestion

Answer 20

• Proper hand washing technique (before and after)
• Eating, drinking should not be allowed

Question 21

Mode of entry of Inhalation

Answer 21

Nose or mouth

Question 22

Most common route of toxicity

Answer 22

Inhalation

Question 23

Prevention of Inhalation

Answer 23

• Respirator mask
• Carbon filter mask

Question 24

Mode of entry and prevention of absorption

Answer 24

Skin or eyes. So, where proper lab attire

Question 25

Mode of entry and prevention of injection?

Answer 25

Skin. So, (wear gloves, and protective clothing + proper storage, handling, and disposal of needles, glassware)

Question 26

Determine the potential hazards and appropriate safety precautions before beginning any work

Answer 26

Laboratory Risk Assessment

Question 27

RAMP

Answer 27

Recognize hazards Assess the risks of hazards Minimize the risk Prepare for emergencies