The Inevitable "Crash" That Occurs When Heavy Users of Amphetamines

question 392

Multiple Choice

The inevitable "crash" that occurs when heavy users of amphetamines stop taking the drug happens because

• A)without the drug, levels of dopamine in the synapse remain too high
• B)the neuron's supplies of norepinephrine and dopamine have become depleted
• C)the compensatory response induced by high levels of GABA produces withdrawal symptoms
• D)the inhibitory control centres in the cerebral cortex have been over-stimulated

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