Which statement about levodopa in the treatment of Parkinson's disease is NOT true?
A) Levodopa is an effective therapy because it converts to dopamine in the brain.
B) Levodopa crosses the blood-brain barrier.
C) Levodopa remains an effective therapy throughout the disease.
D) Levodopa is often combined with another ingredient to prevent metabolism outside the brain.

Question

Quizplus · Accepted Answer

Levodopa may become less effective as the disease progresses and may require increasing doses or the addition of other medications.

Which Statement About Levodopa in the Treatment of Parkinson's Disease