Although L-Dopa Does Have Some Beneficial Effects,it Is Not a Solution

question 95

Multiple Choice

Although L-dopa does have some beneficial effects,it is not a solution to the problem of Parkinson's disease because it

• A) typically becomes less and less therapeutically effective with use.
• B) is too expensive.
• C) can be safely administered to only a small proportion of patients.
• D) is unstable at room temperature.
• E) does not pass through the blood-brain barrier.