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The drug that interferes with transport ...

The drug that interferes with transport of neurotransmitter dopamine is
(a) Cocaine
(b) Marijuana
(c) Charas
(d) Heroin

A

Cocaine

B

Marijuana

C

Charas

D

Heroin

Text Solution

AI Generated Solution

The correct Answer is:
To determine which drug interferes with the transport of the neurotransmitter dopamine, we can analyze each option provided in the question. ### Step-by-step Solution: 1. **Understanding the Question**: The question asks which drug interferes with the transport of dopamine, a neurotransmitter involved in many functions including mood regulation and reward. 2. **Analyzing Option A - Cocaine**: - Cocaine is known to act as a stimulant. It is derived from the leaves of the Erythroxylon coca plant. - Cocaine affects the central nervous system (CNS) and has local anesthetic properties. - Importantly, cocaine interferes with the transport of dopamine by binding to its receptors, blocking the reuptake of dopamine in the synapse. This leads to increased levels of dopamine in the synaptic cleft, which is associated with its stimulant effects. 3. **Analyzing Option B - Marijuana**: - Marijuana primarily affects the endocannabinoid system and does not significantly interfere with dopamine transport. - It has psychoactive effects but does not block or alter dopamine transport mechanisms. 4. **Analyzing Option C - Charas**: - Charas is a form of cannabis and has similar effects to marijuana. It does not interfere with dopamine transport in a significant manner. 5. **Analyzing Option D - Heroin**: - Heroin is an opioid that primarily affects opioid receptors in the brain. While it can influence dopamine levels indirectly, it does not directly interfere with dopamine transport like cocaine does. 6. **Conclusion**: Based on the analysis, cocaine is the drug that directly interferes with the transport of dopamine by blocking its receptors. Therefore, the correct answer is **(a) Cocaine**. ### Final Answer: The drug that interferes with the transport of neurotransmitter dopamine is **(a) Cocaine**.
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