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
Brain fingerprinting: PGI 06 
Select and explain. 
A. Used as lie detector, B. Uses EEG on lead, C. Used for quanta tive measurement of sulci and gyri, D. Uses DNA
B: Uses EEG on lead
Answer: B: Uses EEG on lead 
Explanation: Ans. Uses EEG on lead