Tremors at rest, rigidity, akinesia, and postural abnormalities are a result of the atrophy of neurons in which part of the brain?
A)Caudate that produces serotonin
B)Putamen that produces gamma-aminobutyric acid
C)Substantia nigra that produces dopamine
D)Hypothalamus that produces acetylcholine

Question

Quizplus · Accepted Answer

The hallmark characteristics of Parkinson disease (PD) are a result of a loss of dopaminergic-pigmented neurons in the substantia nigra pars compacta with dopaminergic deficiency in the putamen portion of the striatum (the striatum includes the putamen and caudate nucleus). Alterations in gamma-aminobutyric acid, serotonin, and acetylcholine are not involved.

Tremors at Rest, Rigidity, Akinesia, and Postural Abnormalities Are a Result