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Question
State the mode of action of cocaine on the human body. Write the scientific name of the source plant it is obtained from.
Solution
Coca alkaloid or cocaine is obtained from the coca plant Erythroxylum coca, native to South America. It interferes with the transport of the neurotransmitter dopamine. It has a potent stimulating action on the central nervous system, producing a sense of euphoria and increased energy. An excessive dosage of cocaine causes hallucinations.
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