Drug Effects on the Synapse

Item #5 of 10

What are the effects of L-dopa on the central nervous system?

It increases the production of serotonin.;

It increases the production of catecholamines.;

It increases the production of dopamine;

Both alternatives a and b are correct.;

Both alternatives b and c are correct.;

CORRECT - Yes, L-dopa is a precursor of dopamine and when ingested will typically result in an increase in the synthesis of this neurotransmitter. Since norepinephrine is synthesized from dopamine, increased L-dopa will typically increase the levels of this catecholamine as well.

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		It increases the production of serotonin.;
		It increases the production of catecholamines.;
		It increases the production of dopamine;
		Both alternatives a and b are correct.;
		Both alternatives b and c are correct.;