NABP FPGEE Question Answer
Parkinson's disease is characterized by a deficiency of:
Acetylcholine in the motor cortex.
Noradrenaline in the spinal motor neurons.
Gamma amino butyric acid (GABA. in inhibitory pathways.
Dopamine in the nigrostriatal pathway.
Serotonin in the brain stem.
TESTED 02 Jan 2026
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