A patient presents with muscular rigidity, constant tremor, slow movement (bradykinesia), difficult voluntary movements, and rigid, mask-like features. Which neurotransmitter is lacking in this patient's brain?
A) dopamine
B) $\gamma$-aminobutyric acid
C) acetylcholine
D) norepinephrine
E) glutamate

Question

Quizplus · Accepted Answer

The symptoms described are characteristic of Parkinson's disease, a condition caused by the degeneration of dopamine-producing neurons in the brain. Therefore, the neurotransmitter lacking in this patient's brain is dopamine.

A Patient Presents with Muscular Rigidity, Constant Tremor, Slow Movement γ\gammaγ

A Patient Presents with Muscular Rigidity, Constant Tremor, Slow Movement $\gamma$