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
.Bad trips is seen in 
Select and explain. 
A. flunitrazepam, B. LSD, C. .toluene, D. anabolic androgenic steroids
B: LSD
Answer: B: LSD 
Explanation: Hallucinogens * ALSO CALLED AS Psychotomimetic/ Psychedelic * FIRST Man made HALLICINOGEN ==================== Albe Hoffman * MECHANISM OF ACTION Lysergic acid diethylamide=======serotonin * Introduced by Albe Hoffmann and he himself experienced its effects * Phencyclidine =======NMDA antagonist * Also known as angel dust * Related to ketamine=== dissociative anesthetic * Has anti-suicidal propey PSYCHIATRIC RELEVANCE FLASHBACKS====== person even after weeks of using substance may experience the same hallucinations BAD TRIPS====== bad experiences during intoxication of the substance They tend to see hallucinations and monsters and are threatened by the images Ref.kaplon and Sadock, synopsis of psychiatry, 11 th edition, pg no.649