This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Substance abuse, Subject name: Psychiatry
All the following are features of LSD intoxication except 
Select and explain. 
A. Depersonalization, B. Flashback, C. Derealization, D. Synesthesia
B: Flashback
Answer: B: Flashback 
Explanation: LSD is a type of hallicinogen LSD means lysergic acid diethylamide LSD was introduced and first used by ALBE HOFFMANN Flashback phenomenon is seen in withdrawal of LSD and not in LSD intoxication Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg 326-330