1.1.1 Personal Protective Equipment (Q&A)

Short Answer Questions

1. What is personal protective equipment (PPE)?
   Answer
   Personal protective equipment (PPE) refers to the tools and clothing used to minimise exposure to hazards that cause serious workplace injuries and illnesses.
2. How do safety glasses or goggles protect workers?
   Answer
   Safety glasses or goggles protect the eyes from chemical splashes or fumes.
3. What is the function of gloves in a laboratory setting?
   Answer
   Gloves protect hands from hazardous materials and come in different types, such as neoprene and vinyl gloves, for handling different chemicals.
4. Why are lab coats important in a laboratory?
   Answer
   Lab coats protect the skin and clothing from contamination.
5. What additional protection does a face shield provide?
   Answer
   A face shield provides additional protection for the face from hazardous materials.
6. What type of footwear is recommended in a laboratory and why?
   Answer
   Closed-toe shoes are recommended as they protect feet from chemical spills and dropped objects.
7. When should an emergency shower be used?
   Answer
   An emergency shower should be used to wash or rinse the body or clothing immediately after contact with hazardous chemicals.
8. What is the purpose of an eye wash station?
   Answer
   An eye wash station is used to flush the eyes if they come into contact with chemicals.
9. What is a fume hood, and how does it function?
   Answer
   A fume hood is a type of Local Exhaust Ventilation (LEV) device that minimises exposure to hazardous fumes, vapours, or dust.
10. How does a laminar flow cabinet help maintain a sterile work environment?
    Answer
    A laminar flow cabinet protects cultures and materials from contamination by filtering air and providing a sterile work area.
11. What is the difference between a fume hood and a laminar flow cabinet?
    Answer
    A fume hood protects users from hazardous fumes, vapours, or dust, while a laminar flow cabinet provides a sterile work area to protect materials from contamination.
12. Name two types of gloves used for handling chemicals.
    Answer
    Neoprene gloves and vinyl gloves.
13. Why should closed-toe shoes be worn in a laboratory?
    Answer
    Closed-toe shoes protect feet from chemical spills and dropped objects.
14. How does a fume hood protect laboratory workers?
    Answer
    A fume hood minimises exposure to hazardous fumes, vapours, or dust by providing local exhaust ventilation.
15. What should be done if chemicals splash into the eyes?
    Answer
    The eyes should be flushed immediately using an eye wash station.
16. What does PPE stand for?
    Answer
    PPE stands for Personal Protective Equipment.
17. How do lab coats prevent contamination?
    Answer
    Lab coats act as a barrier that protects skin and clothing from hazardous materials.
18. What piece of PPE provides full-face protection?
    Answer
    A face shield provides full-face protection.
19. Why should neoprene gloves be used when handling certain chemicals?
    Answer
    Neoprene gloves are resistant to many chemicals and provide protection against hazardous substances.
20. What PPE should be used when working with hazardous fumes?
    Answer
    A fume hood should be used to minimise exposure to hazardous fumes.

Explanation Questions

1. Explain why PPE is important in a laboratory.
   Answer
   PPE is important because it helps minimise exposure to hazardous chemicals, prevents injuries, and protects workers from illnesses caused by harmful substances.
2. Why are different types of gloves used in laboratories?
   Answer
   Different types of gloves, such as neoprene and vinyl, are used to provide suitable protection against various chemicals and hazardous materials.
3. How does a face shield improve safety when handling chemicals?
   Answer
   A face shield provides an extra layer of protection by covering the entire face, reducing the risk of chemical splashes reaching the eyes, nose, or mouth.
4. Why is it necessary to use an emergency shower after contact with hazardous chemicals?
   Answer
   An emergency shower helps to quickly wash away chemicals that may cause burns, irritation, or other health hazards, reducing potential damage to the skin and clothing.
5. Describe the function of a fume hood in controlling exposure to harmful substances.
   Answer
   A fume hood removes hazardous fumes, vapours, and dust from the air, protecting workers from inhaling toxic substances.
6. What safety measures should be taken when working with hazardous chemicals?
   Answer
   Workers should wear appropriate PPE, use fume hoods when needed, handle chemicals carefully, and follow safety guidelines to prevent exposure.
7. Explain how a laminar flow cabinet protects biological samples.
   Answer
   A laminar flow cabinet provides a sterile work environment by filtering air and preventing contaminants from reaching biological samples.
8. Why is it important to flush the eyes immediately if they come into contact with chemicals?
   Answer
   Immediate flushing with an eye wash station helps to remove harmful substances and prevent potential damage, irritation, or blindness.
9. Compare the functions of an emergency shower and an eye wash station.
   Answer
   An emergency shower is used to rinse the entire body or clothing after exposure to hazardous chemicals, while an eye wash station is specifically designed to flush out chemicals that come into contact with the eyes.
10. How does PPE contribute to workplace safety beyond protecting individuals?
    Answer
    PPE not only protects individuals from injuries and hazardous exposure but also helps maintain a safe working environment, reduces workplace accidents, and prevents contamination in sensitive areas like laboratories.