This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Forensic Medicine
False about a firearm Exit wound is 
Select and explain. 
A. Eveed edges, B. Abrasion collar absent, C. Sharply defined outwardly split edges, D. Lead ring may be present
D: Lead ring may be present
Answer: D: Lead ring may be present 
Explanation: Grease or di ring may be present inner to or interwoven in the substance of abrasion collar in case of entry wounds , which may be demonstrable on micro-chemical or other tests in the laboratory. Not seen in exit wound Ref : Krishnan vij Textbook of Forensic medicine and Toxicology 5th edtion ; pg no - 249