Despite its dangers, a young man continues to take cocaine because of the feeling of euphoria it produces for him. This powerful arousal of his nervous system is probably due to cocaine's ability to
A) inhibit enzymes that break down neurotransmitters.
B) increase the release of neurotransmitters.
C) block the receptor sites for neurotransmitters.
D) prevent neurotransmitters from being reabsorbed into presynaptic terminals.

Question

Quizplus · Accepted Answer

Cocaine produces feelings of euphoria primarily by preventing the reabsorption (reuptake) of neurotransmitters like dopamine into presynaptic terminals, leading to increased levels of these neurotransmitters in the synaptic cleft and prolonged activation of the postsynaptic neuron.

Despite Its Dangers, a Young Man Continues to Take Cocaine