Note: It is recommended that you save your response as you complete each questio

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Note: It is recommended that you save your response as you complete each question. Question 10 (4 points) Nancy has Parkinson's disease, a progressive neurodegenerative disease that affects motor skills. In addition to motor symptoms, Nancy has noticed changes in her mood, and she feels the need to smoke more cigarettes than she used to. It is likely that Nancy's is producing less than it needs to. 1) motor cortex; acetylcholine 2) motor cortex; dopamine 3) substantia nigra: acetylcholine 4) substantia nigra; dopamine Save 0 Type here to search

Explanation / Answer

Option 4) It is likely that Nancy's Substantia Nigra is producing less dopamine than it needs to.

Parkinson's Disease is a progressive neurodegenerative disease.It begins with motor symptoms including a tremor, slow movements and difficulty walking

Progressively non-motor symptoms develop like mood changes, depression, sleep behavior disorders, loss of sense of smell and cognitive impairment.

The first symptoms appear when a majority of dopamine relesing neurons are impaired in the part called substantia nigra.As dopamine levels decrease, it upsets the balance and acetylcholine levels increase relatively effecting awareness and motor activities in the individual.

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