| Term 
 
        | Parkinson's disease is a degenerative d/o of what system? |  | Definition 
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        | Term 
 
        | Parkinson's results from what imbalance? |  | Definition 
 
        | decrease in dopamine and increase in acetycholine |  | 
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        | Term 
 
        | what are symptoms of parkinsons? |  | Definition 
 
        | resting tremor, bradykinesia, rigidity, and postural instability |  | 
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        | Term 
 
        | what do antiparkinson's drugs do? |  | Definition 
 
        | work to either increase levels of dopamine or inhibit action of acetycholine. |  | 
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        | Term 
 
        | what are two antiparkinson drugs? |  | Definition 
 
        | levodopa and diphenhydramine |  | 
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