What Characteristic of L-Dopa Makes It an Effective Treatment for Parkinson's

question 76

Multiple Choice

What characteristic of L-dopa makes it an effective treatment for Parkinson's disease?

• A) L-dopa has a negative ionic charge.
• B) L-dopa dissolves readily in water but poorly in fats.
• C) L-dopa binds tightly to both glutamate and GABA synapses.
• D) L-dopa can cross the blood-brain barrier.

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Definitions:

Arteries

Blood vessels that carry oxygenated blood away from the heart to the body's tissues, except for the pulmonary arteries that carry deoxygenated blood to the lungs.

Cerebral Cortex

The outer layer of the cerebrum in the brain, involved in high-level functions like consciousness, thought, emotion, reasoning, language, and memory.

Anterior Cerebral Artery

A major artery supplying oxygenated blood to most midline portions of the frontal lobes and superior medial parietal lobes of the brain.

Frontal Lobes

The part of the brain located at the front of each cerebral hemisphere, responsible for voluntary movement, expressive language, and for managing higher level executive functions.