MCQOPTIONS
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				| 1. | 
                                    An in voluntary recurrence of perceptual distortions or hallucinations happens forweeks or even months after taking the drug | 
                            
| A. | Flashback | 
| B. | Black hole | 
| C. | Delirium | 
| D. | Hallucination | 
| Answer» B. Black hole | |