In Parkinson's Disease,the Specific Cause of Difficulty Is the

Multiple Choice

In Parkinson's disease,the specific cause of difficulty is the

A) Enhanced sensitivity of cholinergic receptors to acetylcholine
B) Reduced ability of neurons in the substantia nigra to release dopamine
C) Failure of serotonin receptors to bind with these neurohormones
D) Hyperactivity of metabolic enzymes that degrade dopamine
E) Natural tendency of basal nuclei to follow a daily recurring, oscillating cycle of rising and falling norepinephrine release