Parkinson's disease involves deficiency of
Correct answer: B. Dopamine
- A. Serotonin
- B. Dopamine
- C. GABA
- D. Acetylcholine
Explanation
Parkinson's disease results from degeneration of dopaminergic neurons in the substantia nigra, causing tremors and rigidity.
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About Neurons and Nerve Impulse
Neurons receive and transmit information through dendrites, the cell body and axons. The topic explains resting potential, depolarization, repolarization, refractory periods and saltatory conduction, followed by synaptic transmission through neurotransmitters. An action potential is distinct from the graded potential produced at a receptor.
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