**Question: What is the impact and mode of action of cocaine on dopamine levels in the brain?**- ○ Cocaine accelerates release of dopamine in the blood.- ○ Cocaine decreases dopamine levels in the brain by blocking reuptake of dopamine.- ○ Cocaine increases dopamine levels in the brain by blocking reuptake of dopamine.- ○ Cocaine accelerates release of dopamine in the brain.**Explanation:**This question presents four possible effects of cocaine. It focuses on how cocaine interacts with dopamine, a neurotransmitter important for pleasure and reward mechanisms in the brain. Understanding each option is crucial for identifying the correct mechanism:1. **Cocaine accelerates release of dopamine in the blood.** - Incorrect: This option inaccurately describes the primary site of action. Cocaine primarily affects dopamine levels in the brain, not in the blood.2. **Cocaine decreases dopamine levels in the brain by blocking reuptake of dopamine.** - Incorrect: This option describes the mechanism of some other drugs. Cocaine does not decrease dopamine levels through this method.3. **Cocaine increases dopamine levels in the brain by blocking reuptake of dopamine.** - Correct: Cocaine works by blocking the reuptake of dopamine, which leads to increased levels of dopamine in the brain, contributing to its stimulating effects.4. **Cocaine accelerates release of dopamine in the brain.** - Incorrect: While cocaine affects dopamine levels, it primarily acts by blocking reuptake rather than accelerating its release.

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Science

Chemistry

ос

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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