What is the impact and mode of action of amphetamines on dopamine levels in the brain? Amphetamines decreases dopamine levels in the brain by blocking reuptake of dopamine. O Amphetamines accelerate release of dopamine in the blood. O Amphetamines increases dopamine levels in the brain by blocking reuptake of dopamine. O Amphetamines accelerate release of dopamine in the brain.
What is the impact and mode of action of amphetamines on dopamine levels in the brain? Amphetamines decreases dopamine levels in the brain by blocking reuptake of dopamine. O Amphetamines accelerate release of dopamine in the blood. O Amphetamines increases dopamine levels in the brain by blocking reuptake of dopamine. O Amphetamines accelerate release of dopamine in the brain.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
Transcribed Image Text:**Title: Understanding the Impact and Mode of Action of Amphetamines on Dopamine Levels in the Brain**
*Question: What is the impact and mode of action of amphetamines on dopamine levels in the brain?*
Options:
1. Amphetamines decrease dopamine levels in the brain by blocking reuptake of dopamine.
2. Amphetamines accelerate release of dopamine in the blood.
3. Amphetamines increase dopamine levels in the brain by blocking reuptake of dopamine.
4. Amphetamines accelerate release of dopamine in the brain.
**Explanation:**
The question explores how amphetamines affect dopamine, a neurotransmitter associated with pleasure and reward. The options consider different mechanisms of action such as blocking reuptake or accelerating release, and different locations of impact, brain versus blood. Understanding these mechanisms is vital in comprehending their effects on neurological function and potential clinical applications or side effects.
Expert Solution
Step 1
Amphetamines:
a. It is a drug that is classified as a central nervous system stimulant.
b. It is used for medicinal purposes to treat narcolepsy and hyperactivity in children.
c. It is divided into three basic groups:
- Amphetamine (Benzedrine)
- Dexamphetamine (Dexedrine)
- Methamphetamine (Methedrine)
d. It is considered illegal when used without prescription.
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