This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hallucinogen-Related Disorders, Subject name: Psychiatry
"Bad-trip" is associated with: 
Select and explain. 
A. Bhang, B. Ganja, C. Cocaine, D. LSD
D: LSD
Answer: D: LSD 
Explanation: Ans. (d) LSDRef.: Harrison 19th ed. / 469e-4* LSD intoxication causes bad trips, which is acute panic reaction in which the individual experience a loss of control over his self.* Spontaneous recurrence of LSD, or sometimes cannabis use experience even during a withdrawal state is known as Flash back.