Which of following are techniques used in First Aid?

Explanation:

First Aid Techniques 

The following are the techniques used in First Aid

1. Dressings
2. Bandages
3. Fast evacuation techniques (single-rescuer)
4. Transport techniques.

Dressing

• A dressing is a protective covering applied to a wound to:
  1. prevent infection,
  2. absorb discharge,
  3. control bleeding,
  4. avoid further injury, and
  5. reduce pain.
• An efficient dressing should be sterile (germ-free) and have a good degree of porosity to allow for oozing and sweat.

Bandage 

• A bandage is a fairly long strip of material such as gauze used to protect, immobilize, compress, or support a wound or injured body part.
• Bandages should be applied firm enough to keep dressing and splints in position, but not as tight as to cause injury to the part or to impede the circulation of the blood. A bluish tinge of the finger or nails may be a danger sign indicating that the bandage is too tight. Loss of sensation is another sign; such bandages should be loosened or removed quickly. 

Fast evacuation techniques 

• In case the casualty is in a dangerous situation following are possible one-rescuer evacuation techniques to move an unconscious casualty over a very short distance to get him into safety.
• Only attempt to rescue a casualty if the scene is safe for yourself.

Transport technique

• After appropriate first aid has been given, the patient may need to be transported.
• Keep following guidelines in mind when transporting a casualty:
  • The position assumed by the casualty or in which he has been placed, should not be disturbed unnecessarily.
  • Throughout the transport a careful watch must be kept on:
    1. the general condition of the casualty (breathing, consciousness);
    2. any dressing that may have been applied;
    3. any recurrence of hemorrhage, and
    4. any signs of changes or worsening of the casualty’s condition.
  • The transport must be safe, steady and speedy.