<prompt> Which one of the following is not a principle followed in the management of missile injures?Excision of all dead musclesRemoval of foreign bodiesRemoval of fragments of boneLeaving the wound open  <response>: Ans. c Removal of fragments of bone Missile injury managementWound excision and leave wound opened Foreign materials to be removed. Excise the skin edge around the entry and exit point Unhealthy dead muscle must be removed. Bone shattered by high energy transfer may still have attachment to periosteum or muscle. Such fragments must not be discarded as it may result in mal union or non-union. 