The immediate cause of Parkinson's disease is the:

Question

Quizplus · Accepted Answer

Parkinson's disease is caused by the gradual and progressive death of neurons in the substantia nigra, which is responsible for producing dopamine. This leads to a shortage of dopamine in the brain and results in the motor symptoms associated with the disease. Option A is incorrect because an increase in excitatory output from the globus pallidus is associated with disorders like Huntington's disease, not Parkinson's disease. Option C is also incorrect because acetylcholine is not the neurotransmitter affected in Parkinson's disease. Option D is incorrect because the accumulation of amyloid-beta is associated with Alzheimer's disease, not Parkinson's disease.

The Immediate Cause of Parkinson's Disease Is The