Damage to the Substantia Nigra Causes a Decrease in the Neurotransmitter

question 29

Multiple Choice

Damage to the substantia nigra causes a decrease in the neurotransmitter dopamine. This causes a gradual,generalized increase in muscle tone, which is the main symptom of

• A) Parkinson's disease.
• B) rabies.
• C) Alzheimer's disease.
• D) myasthenia gravis.
• E) tetanus.

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