False. Pneumonia is not a top cause of death in the USA
Remove any clothing or debris on the wound. ...
Stop the bleeding. ...
Help the injured person lie down. ...
Don't remove the gauze or bandage. ...
Tourniquets: A tourniquet is effective in controlling life-threatening bleeding from a limb. ...
Immobilize the injured body part as much as possible.
It can compromise oxygen and nutrient delivery to muscles which can cause cramps.
A: maintenance is the final stage --> thus this answer is the only appropriate one.