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Grade 7 Integrated Science · Strand 1: Scientific Investigation · Laboratory Safety

First Aid Measures Cuts and Glassware Injuries

A short Grade 7 Integrated Science lesson for the CBE curriculum, part of Scientific Investigation: Laboratory Safety. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.

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  1. 1. A learner has a large piece of glass deeply stuck in their forearm after a beaker breaks. What should you do?

    • A. Pull the glass out quickly and then bandage the wound
    • B. Press firmly down on top of the glass to stop the bleeding
    • C. Leave the glass in place, pad around it, bandage without pressing on it, and get medical help
    • D. Wash the wound under a tap and wiggle the glass loose
  2. 2. Which of these is the correct order of first aid steps for a clean minor cut in the laboratory?

    • A. Cover with a plaster, apply pressure, wash the wound, apply antiseptic
    • B. Wash hands and rinse the wound, apply gentle pressure with clean gauze, clean the skin around the cut with antiseptic, cover with a sterile plaster
    • C. Apply antiseptic, cover with a plaster, wash the wound, apply pressure
    • D. Apply pressure, cover with a plaster, apply antiseptic, wash the wound
  3. 3. A test tube breaks on the workbench in the school laboratory. What is the safest way to deal with the broken glass?

    • A. Pick up the large pieces with bare fingers and put them in a polythene waste bin
    • B. Sweep the pieces up with a brush and dustpan and put them in a rigid broken glass bin
    • C. Wash the pieces down the sink with running water
    • D. Cover the pieces with an exercise book and continue the experiment
  4. 4. Why should you never remove a gauze pad that has become soaked with blood while controlling heavy bleeding?

    • A. Removing it tears away the clot that is forming and the bleeding starts again
    • B. The gauze pad can only be used once it is dry
    • C. Soaked gauze pads make the wound sterile
    • D. Removing it would make the casualty feel cold
  5. 5. What word describes a material that is free from living micro-organisms, such as a gauze pad used to cover a wound?

    Type your answer in the lesson.

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