hard · MCAT
A researcher uses a toxin to block dopamine receptors in the striatum of a rat.
This intervention most directly produces the motor symptoms of which human condition?
- Parkinson's disease, characterized by bradykinesia and resting tremors.
- Huntington's disease, characterized by chorea and CAG repeats.
- Schizophrenia, characterized by 'positive' symptoms like hallucinations.
- Alzheimer's disease, characterized by neurofibrillary tangles and amyloid plaques.
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