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: 
Select and explain. 
A. Used lie- detector, B. Used by EEG on lead, C. Used for quantitative measurement of sulci, gyri, D. Used by DNA
B: Used by EEG on lead
Answer: B: Used by EEG on lead 
Explanation: B i.e. Used by EEG on lead