1. Functional system that is important in maintenance of equilibrium andmuscle tone: Answer extrapyramidal system 2. Disease that affect the extrapyramidal system result in these symptoms:: Answer tremors, rigidity, postural instability,slow movements 3. Parkinson's Disease is what kind of disorder?: Answer neurodegenerative disorder,disease of extrapyramidal system 4. Parkinson's disease:: Answer 2nd most common neurodegenerative disorder, incidenceincreases with age, no cure 5. Parkinson's disease caused by death of neurons that produce neurotransmitter - dopamine.T or F: Answer True 6. T or F 70-80 % of these neurons must be lost before symptoms of Parkinson's areobvious?: Answer True 7. Parkinson's Disease is a result of what imbalance?: Answer dopamine and acetyl-choline in the basal ganglia. (proper functions relies on a balance of both)