Despite Its Dangers, a Young Man Continues to Take Cocaine

Multiple Choice

Despite its dangers, a young man continues to take cocaine because of the feelings 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) block the receptor sites for neurotransmitters
C) increase the release of dopamine
D) allow excess amounts of dopamine to accumulate in the synapses