The nurse is explaining Parkinson's disease to the student nurse. Which statement by the nurse is correct regarding the pathophysiology of the disease?
a. "Regardless of the actual etiology, Par-kinson's is caused by depletion of dopa-mine and excess of acetylcholine."
b. "The pathophysiology of the disease is caused by the deterioration of the myelin sheath of the basal ganglia."
c. "Excess dopamine and deficient acetyl-choline are the cause of Parkinson's dis-ease."
d. "When there is decreased dopamine up-take at receptors in brain cells, Parkinson's disease results."
A
The specific cause of Parkinson's disease is unknown, but the basic pathophysiology is depletion of dopamine and excess of acetylcholine.
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