The benefit of applying compression to an injury is it reduces internal bleeding. Therefore, the correct answer to the question is option c.
Explanation:
The compression can reduce internal bleeding from wound or injury. Due to bleeding there is much loss of blood from the body. In the process of giving first aid to a person who is having injury one must compress the bleeding area to stop the loss of blood from the patient's body.
After compressing when the blood is stopped one should apply medicines and bandage on to the injury. This is the best method for giving first aid to a person who is suffering from injury. And the rest options are false and is not a benefit of applying compression to an injury.
