Penetrating injury to NECK is defined as: (A) More than 2 cm deep injury, (B) Injury to any internal neck organ, (C) Violation of platysma, (D) Sharp instrument
Answer is C. C i.e. Violating platysma Penetrating neck trauma involves a gun shot or sharp object (stab, puncture wound & impalement injuries) penetrating the skin and volating the platysma layer of neckQ