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Questions and Answers
Which neurotransmitter is primarily affected in Parkinson’s disease?
Which neurotransmitter is primarily affected in Parkinson’s disease?
- Acetylcholine
- Serotonin
- GABA
- Dopamine (correct)
Which factor is considered a significant risk factor for developing Parkinson’s disease?
Which factor is considered a significant risk factor for developing Parkinson’s disease?
- Aging (correct)
- Childhood trauma
- Excessive physical activity
- High sugar intake
What is the key motor symptom characterized by rhythmic shaking in Parkinson’s disease?
What is the key motor symptom characterized by rhythmic shaking in Parkinson’s disease?
- Rigidity
- Tremors (correct)
- Bradykinesia
- Postural instability
What is the region in the brain primarily affected by Parkinson’s disease?
What is the region in the brain primarily affected by Parkinson’s disease?
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What is the term used to describe the difficulty in maintaining balance in Parkinson’s disease?
What is the term used to describe the difficulty in maintaining balance in Parkinson’s disease?
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Study Notes
Parkinson's Disease Overview
- Dopamine is the primary neurotransmitter affected in Parkinson's disease.
- Age is a significant risk factor for developing Parkinson's disease, with increased incidence in older adults.
Key Symptoms
- Tremors are a key motor symptom, characterized by rhythmic shaking, typically seen at rest.
- Postural instability refers to the difficulty in maintaining balance, often leading to falls and injury.
Affected Brain Region
- The substantia nigra, a region in the brain, is primarily impacted by Parkinson's disease, where dopamine-producing neurons degenerate.
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