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
Concussion causes: Karnataka 07 
Select and explain. 
A. Small hemorrhages and swelling of brain tissues, B. Momentary interruption of brain function with/ without loss of consciousness, C. Tearing or shearing of brain structures, D. Bruising of the brain
B: Momentary interruption of brain function with/ without loss of consciousness
Answer: B: Momentary interruption of brain function with/ without loss of consciousness 
Explanation: Ans. Momentary interruption of brain function with/ without loss of consciousness