This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Penetrating injury to NECK is defined as 
Select and explain. 
A. More than 2 cm deep injury, B. Injury to any internal neck organ, C. Violation of platysma, D. Sharp instrument
C: Violation of platysma
Answer: C: Violation of platysma 
Explanation: 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