A) dopamine
B) serotonin
C) noradrenaline
D) eukalphia
Correct Answer: A
Solution :
Parkinsons disease is a progressive neuro-degenerative disorder which affects movement or control of movements. The causes of Parkinsons disease is not completely understood but a known cause is the degeneration of a group of nerves in the centre of the brain. These nerves produce a chemical messenger called dopamine. When 80% of dopamine is lost, the symptoms of the disease is produced.
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