Mr. James, a 60-year-old man, is in the office today with hi…

Mr. Jаmes, а 60-yeаr-оld man, is in the оffice tоday with his wife after being referred to a neurologist by his primary care provider. The patient reports having a resting tremor in his right hand and some stiffness in the right area for over a year now. He thought the tremors were related to nerves and would eventually resolve on its’ own. He also doesn’t like going to the doctor and his wife finally convinced him to go. On inspection you notice a pill-rolling movement in his right hand at rest that resolves with active movement of the hand. On further inspection the relative slowness of fine rapid movements of the right hand are noted along with rigidity to the right arm. On the basis of the patient’s history and physical findings, the neurologist diagnosis is early-stage Parkinson’s disease. Answer the following questions based on this case.   1- Whatis the key neurotransmitter defect in Parkinson (1 point) and 2- Describe the usual role of the neurotransmitter? (1 points) 2- What areas of the brain are affected in Parkinson? (2 points) 3- Describe the symptoms that Mr. James has that are consistent with Parkinson’s disease ? (1 point)