LABORATORY SAFETY EXAMINATION QUESTIONS AND
CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. The main purpose of laboratory safety is to:
A. Prevent accidents and injuries
B. Increase speed of experiments
C. Reduce cost only
D. Avoid data collection
Answer: A
Rationale: Safety protects people and environment.
2. Personal protective equipment (PPE) includes:
A. Gloves, lab coat, goggles
B. Books and pens
C. Computers only
D. Chairs and tables
Answer: A
Rationale: PPE protects against hazards.
3. Lab coats are worn to:
A. Protect skin and clothing
B. Improve appearance
C. Increase speed
D. Store chemicals
Answer: A
Rationale: Prevents contamination and injury.
4. Safety goggles protect:
A. Eyes
B. Hands
C. Feet
D. Ears
Answer: A
Rationale: Shields eyes from chemicals.
5. Gloves are used to protect:
A. Hands from chemicals and contamination
, B. Eyes only
C. Hair
D. Ears
Answer: A
Rationale: Prevents direct contact.
6. Long hair in the lab should be:
A. Tied back
B. Left loose
C. Hidden under books
D. Wet
Answer: A
Rationale: Prevents accidents.
7. Eating in the laboratory is:
A. Prohibited
B. Encouraged
C. Optional
D. Required
Answer: A
Rationale: Prevents contamination.
8. Drinking in the laboratory is:
A. Not allowed
B. Allowed anywhere
C. Required
D. Optional
Answer: A
Rationale: Prevents chemical ingestion.
9. Lab safety rules are designed to:
A. Protect users and environment
B. Slow experiments
C. Increase errors
D. Waste chemicals
Answer: A
Rationale: Ensures safe practice.
10. A chemical hazard refers to:
A. Risk from chemicals
, B. Safe substances
C. Water only
D. Equipment only
Answer: A
Rationale: Dangerous chemical exposure.
11. Biological hazard includes:
A. Bacteria and viruses
B. Metals only
C. Glassware
D. Water
Answer: A
Rationale: Infectious agents.
12. Physical hazard includes:
A. Broken glass and heat
B. DNA only
C. Chemicals only
D. Plants
Answer: A
Rationale: Physical dangers.
13. Fire extinguisher is used for:
A. Putting out fires
B. Heating samples
C. Cleaning glassware
D. Mixing chemicals
Answer: A
Rationale: Fire control device.
14. In case of fire, first action is to:
A. Raise alarm
B. Ignore it
C. Hide
D. Continue work
Answer: A
Rationale: Alert others immediately.
15. Emergency exit should be:
A. Always accessible
CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. The main purpose of laboratory safety is to:
A. Prevent accidents and injuries
B. Increase speed of experiments
C. Reduce cost only
D. Avoid data collection
Answer: A
Rationale: Safety protects people and environment.
2. Personal protective equipment (PPE) includes:
A. Gloves, lab coat, goggles
B. Books and pens
C. Computers only
D. Chairs and tables
Answer: A
Rationale: PPE protects against hazards.
3. Lab coats are worn to:
A. Protect skin and clothing
B. Improve appearance
C. Increase speed
D. Store chemicals
Answer: A
Rationale: Prevents contamination and injury.
4. Safety goggles protect:
A. Eyes
B. Hands
C. Feet
D. Ears
Answer: A
Rationale: Shields eyes from chemicals.
5. Gloves are used to protect:
A. Hands from chemicals and contamination
, B. Eyes only
C. Hair
D. Ears
Answer: A
Rationale: Prevents direct contact.
6. Long hair in the lab should be:
A. Tied back
B. Left loose
C. Hidden under books
D. Wet
Answer: A
Rationale: Prevents accidents.
7. Eating in the laboratory is:
A. Prohibited
B. Encouraged
C. Optional
D. Required
Answer: A
Rationale: Prevents contamination.
8. Drinking in the laboratory is:
A. Not allowed
B. Allowed anywhere
C. Required
D. Optional
Answer: A
Rationale: Prevents chemical ingestion.
9. Lab safety rules are designed to:
A. Protect users and environment
B. Slow experiments
C. Increase errors
D. Waste chemicals
Answer: A
Rationale: Ensures safe practice.
10. A chemical hazard refers to:
A. Risk from chemicals
, B. Safe substances
C. Water only
D. Equipment only
Answer: A
Rationale: Dangerous chemical exposure.
11. Biological hazard includes:
A. Bacteria and viruses
B. Metals only
C. Glassware
D. Water
Answer: A
Rationale: Infectious agents.
12. Physical hazard includes:
A. Broken glass and heat
B. DNA only
C. Chemicals only
D. Plants
Answer: A
Rationale: Physical dangers.
13. Fire extinguisher is used for:
A. Putting out fires
B. Heating samples
C. Cleaning glassware
D. Mixing chemicals
Answer: A
Rationale: Fire control device.
14. In case of fire, first action is to:
A. Raise alarm
B. Ignore it
C. Hide
D. Continue work
Answer: A
Rationale: Alert others immediately.
15. Emergency exit should be:
A. Always accessible
