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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

List the situations in which first aid is given. What would you do if a person suffers from skin burns? - Science

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Question

List the situations in which first aid is given. What would you do if a person suffers from skin burns?

Answer in Brief

Solution

The tissue damage caused by heat, chemical, electricity, sunlight or nuclear radiation is known as Bums. Mostly bums are caused by scalds, building fires, flammable liquid and gases. According to burning. There are three types of bums.

  1. First-degree bums affect only the outer layer (called the epidermis) of the skin.
  2. Second-degree bums damage the epidermis and the layer beneath it called ther dermis.
  3. Third -degree bums involve damage or complete destruction of the skin to its full depth and damage to underlying tissues also. People who experience such bums often require skin grafting.

First Aid for Burning
In case of minor bums, the affected area should be washed with cold water and an antiseptic cream should be applied. In case of severe bums, where deeper layers of tissues get destroyed and blisters appear, use of water should be avoided. The burnt area should be covered with a clean non-sticking cloth or bandages. Larger bums need immediate medical attention.
It is very important to keep a fire extinguisher readily available.

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Chapter 6: Health and Hygiene - Evaluation [Page 86]

APPEARS IN

Samacheer Kalvi Science - Term 1 [English] Class 7 TN Board
Chapter 6 Health and Hygiene
Evaluation | Q IX. 2. | Page 86
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