It is caused by rubbing or scraping the skin against a rough surface.

What is a cut caused by a knife, broken glass, or any sharp object?

What do you call the immediate care given to an injured person before the arrival of a physician?

What open wound is caused by nails, needles, and pointed objects?

This wound is a deep break to the skin, tearing it away from the underlying tissue.

Cold compress and hot compress are applied alternately for closed wounds or contusions..

Good first aider informs the victim of the severity of the injury.

Control bleeding by applying direct pressure.

Wrap the dressing as close to the wound as possible.

It is good to give food to an unconscious victim.