Dopamine Is Not Administered Directly to the Patient During the Treatment

question 125

Multiple Choice

Dopamine is not administered directly to the patient during the treatment of Parkinson's disease because:

• A) dopamine is not a therapeutic consideration; only acetylcholine replacement therapy is.
• B) dopamine cannot cross the blood-brain barrier.
• C) the half-life of dopamine is too short to enable pharmacologic effects in the brain.
• D) the type of dopamine necessary in the brain is different from the type administered intravenously.

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