Question

Mr. W has been diagnosed with Parkinson’s disease. His symptoms include an involuntary tremor, difficulty initiating movements, a decline in memory, and flat affect (a lack of emotional expressiveness).

A. According to these symptoms, which structures are affected?

B. What might underlie the impairment of such broad functions as seen in Parkinson’s disease?

Answer 1

Question no 1

According to these symptoms the affected system is the CNS as the inability in coordination,speech , tremors and decline in memory of the patient all these indicate symptoms associated with the nervous system.

Question no 2

The underlying cause is the degeneration if the specific neurons in braim that cause dopamine.it is a neurodegeneration disorder. The structure in substantia Niagara is the area responsible for the production of dopamine which helps in the coordination of movement . This substantia Niagara is the area which cause dopamine spread to rest of the parts of brain maintaining a balance and when this balance is disrupted by the reduction in dopamine it will lead to Parkinson symptoms