Answered

Cocaine produces its effects primarily by:


ABlocking nicotinic acetylcholine receptors
BBlocking the reuptake of dopamine, norepinephrine, epinephrine, and serotonin
CForcing the release of dopamine, GABA, and oxytocin from storage vesicles
DEnhancing GABA-A receptor activity

Verified Answer :

Final answer:

Cocaine's primary mechanism of action in the brain is the blocking of the reuptake of neurotransmitters, particularly dopamine. This leads to heightened levels of dopamine and contributes to the drug's euphoric effects. Other mechanisms such as enhancing GABA-A activity are not its main pathway of action.


Explanation:

Cocaine and Its Effects on the Brain

Cocaine primarily affects the central nervous system by altering neurotransmitter levels. It does this mainly through the following mechanisms:

  • Blocking the reuptake of dopamine, norepinephrine, epinephrine, and serotonin: Cocaine inhibits the reabsorption of these neurotransmitters, increasing their availability in the synaptic cleft, which enhances mood and increases feelings of euphoria.
  • Forcing the release of dopamine, GABA, and oxytocin from storage vesicles: While cocaine does lead to increased dopamine levels, it primarily works by blocking reuptake rather than directly causing their release.
  • Enhancing GABA-A receptor activity: Cocaine does not primarily enhance GABA-A receptor activity; it typically leads to increased excitatory signaling, not inhibition.

In summary, cocaine's primary action is the inhibition of neurotransmitter reuptake, particularly dopamine, which is crucial in its euphoric effects.


Learn more about Cocaine effects here:

https://brainly.com/question/41195435


Related Questions