Lab Safety Equipment and Procedures

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Questions and Answers

What should students do before entering any lab to ensure their safety?

  • Identify sources of hazards and follow safety rules (correct)
  • Handle materials without any instructions
  • Work in the lab only when the instructor is present
  • Wear personal protective equipment at all times

What should be kept in a properly secured area and accounted for meticulously at all times in a laboratory?

  • Personal protective equipment
  • Chemicals and hazardous materials (correct)
  • Emergency telephone numbers
  • Instruction manuals

Where should emergency telephone numbers and evacuation procedures be posted in laboratories?

  • Posted in neighboring classrooms
  • In the instructor's office
  • Clearly posted in laboratories (correct)
  • Hidden from view

When should students be provided with instructions in laboratory techniques and material handling?

<p>Before being allowed to conduct experiments (B)</p> Signup and view all the answers

What must instructors do at all times during laboratory activities?

<p>Supervise the students (A)</p> Signup and view all the answers

What should you never do when dealing with a chemical spill in the lab?

<p>Leave the spill unattended (C)</p> Signup and view all the answers

What is the correct procedure to follow in case of minor skin burns in the lab?

<p>Plunge the burned area into cold water and notify the instructor (B)</p> Signup and view all the answers

What is the correct way to smell a material in a test tube or flask?

<p>Fan some fumes towards your nose with your hand carefully (C)</p> Signup and view all the answers

When should personal protective equipment (PPE) be worn by students and instructors in a laboratory?

<p>At all times by students and instructors (D)</p> Signup and view all the answers

Why should you point test tubes away from you and others when heating them?

<p>To prevent spattering in case of boiling (A)</p> Signup and view all the answers

What should you always avoid doing with concentrated acid solutions?

<p>Adding water directly to concentrated acid solutions (C)</p> Signup and view all the answers

Which action is a violation of lab rules?

<p>Using food, drink, or gum in the lab (C)</p> Signup and view all the answers

Why is it important to report all accidents, regardless of how minor, to your instructor?

<p>To ensure proper medical treatment is received if necessary (D)</p> Signup and view all the answers

Why should contact lenses not be worn inside the lab?

<p>They can decrease the effectiveness of first aid treatment in case of chemical exposure (D)</p> Signup and view all the answers

What is the main reason for not wearing open sandals or bare feet in the lab?

<p>To prevent cutting injuries from broken glass (A)</p> Signup and view all the answers

Why should you wash your eyes immediately with the eyewash fountain if you get a chemical in your eye?

<p>To minimize the exposure time of the chemical in the eye (B)</p> Signup and view all the answers

Why should you read the label on chemical bottles at least twice before using them?

<p>To ensure you are using the correct chemical due to possible confusion in names (A)</p> Signup and view all the answers

Why is it important to use goggles and a lab coat all the time inside the lab?

<p>To protect yourself from potential hazards and accidents (C)</p> Signup and view all the answers

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