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
Bullet entry wound, for bullet entering at acute angle is identified by what shape of abrasion collar ? 
Select and explain. 
A. Circular, B. Rectangular, C. Oval, D. None of the above
C: Oval
Answer: C: Oval 
Explanation: Ans. is `c' i.e., Oval If bullet enters at acute angle to the skin then the abrasion collar is oval and if the bullet enters at right angle to the skin the abrasion collar is circular.