Persons with mild cognitive impairments who smoke may experience a worsening of symptoms if they stop smoking. This worsening of symptoms is because nicotine acts as an agonist for receptors of a paicular neurotransmitter. That neurotransmitter is: (A) Acetylcholine, (B) Dopamine, (C) Neuropeptide Y, (D) Nitric oxide
Answer is A. .