safety measures in laboratory

Which self protective equipment that we need to wear in the lab to protect the eyes from hazardous chemical substances such as acid, bromine, ammonia and reactive metal.

• gloves

• face mask

• goggles

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Choose correct self protective equipment with their functions.

• goggles - protect the nose and mouth from inhaling pungent and volatile chemical substances and dust.

• lab coat - must be worn because it protect the feet from chemical substance spills and glass splinters.

• gloves - to protect hands from hazardous chemical substances.

• face mask - to protect clothing from damage.

What is the function of fume chamber in the laboratory?

• It used to carry out experiments that use substances which are volatile, flammable, poisonous, corrosive or pungent.

• It is used to immediately clean and rinse parts of the body or clothing that have come into contact with chemical substance.

• It is used to avoid contamination when microbiological activities are carried out.

• It is used to immediately rinse and wash the eye.

All this are examples of substances that can be disposed of into sinks EXCEPT :

• low concentration of acid

• radioactive waste

• water

• weak alkalis

What is the proper way to manage biological waste substances?

• Manage by using Standard Operating Procedures.

• Manage by throwing into the sink.

• Manage by throwing into dustbin in the laboratory.

• Give to your friends.

All this are examples of sharp equipment EXCEPT :

• Syringe

• Needle

• Scalpel blade

• Gloves

How to manage the biological waste for experimental animals, like mouse and frogs?

• throw into the dustbin.

• wrapped in absorbent material (tissue paper), packaged well in a biohazard plastic bag and frozen before disposal.

• decontaminated by autoclave

• Keep in refrigerator.

How many types of fire extinguishers that are commonly used.

• 1

• 2

• 3

• 4

All fire extinguisher suggested can be used if the fires that involve flammable solids such as wood, paper, cloth and any flammable material EXCEPT

• water

• foam

• dry powder

• carbon dioxide

made of two layers of glass fibres. Able to extinguish small or moderate fires that are difficult to extinguish with water. Extinguishes fire on the victim when it is wrapped around him.