Question

parkinsons disease is treated with
○ acetylcholine.
○ l - dopa.
○ norepinephrine.
○ serotonin.
○ dopamine.

Explanation:

Parkinson's disease is caused by a lack of dopamine in the brain. L - dopa can cross the blood - brain barrier and be converted into dopamine, helping to alleviate symptoms.

Answer:

B. L - dopa