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
[{'content': 'All the following effects are seen with cocaine except \nSelect and explain. \nA. Black pigmentation of tongue, B. Nasal septal perforation, C. Freebasing, D. Sympatholytic effect', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cocaine is a kind of sympathomimetic, produce vasoconstriction It acts as local anaesthetic .inhibits the reuptake of neurotransmitters Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg. 345', 'role': 'assistant'}]