A patient has been diagnosed with depression who responds well to MAO inhibitors. Neurotransmitter which is deficient in this patient is produced from ____: (A) Raphe nucleus of Pons, (B) Substantia Nigra, (C) Locus Ceruleus, (D) Hypothalamus
Answer is C. This patient with depression responds to MAO inhibitors. Hence neurotransmitter deficient is Norepinephrine which is produced by Locus Ceruleus.