1. D. Vasoactive intestinal peptide 9. The main

1. The precursor of dopamine is: A. Phenylalanine B. Tryptophan C. Glycine 2. The central metabolite of norepinephrine is: A. MHPG (3 Methoxy 4 hydroxy phenylglycol) B.

HVA (Homovanillic acid) C. VMA (Vanillylmandelic acid) D. 5HIAA (5 Hydroxy indole acetic acid) 3. Under normal condition brain utilizes: A. 5-10 mol glucose/g brain per hour B. 10-15 mol glucose/g brain per hour C.

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16-20 mol glucose/g brain per hour 4. The term inborn error of metabolism was coined by: A. Garrod B. Foiling C. Baron 5. The group of neurotransmitters known as biogenic amines includes the following: A. Gamma-aminobutyric acid B. Serotonin C.

Epinephrine D. Dopamine 6. The neurotransmitter which belongs to indoramine group is: A.

Serotonin B. Dopamine C. Histamine D. Acetylcholine 7. The first amino acid to be demonstrated to be neurotrans­mitter, entirely limited to CNS unlike most of other neuro transmitters, purely inhibitory is: A. Aspartate B.

GABA C. Adenosine D. Somatostatin 8.

The neuro peptide which has been implicated in the pathophysiology of schizophrenia, eating disorders is: A. Cholecystokinin B. Somatostatin C. Vasopressin D. Vasoactive intestinal peptide 9. The main neurotransmitter and neuro peptide associated with the pathogenesis of schizophrenia: A. Dopamine B.

Neurotensin C. Cholecystokinin


1.A 2.B 3.C 4.A 5.

B,C,D 6.A 7.A 8. A 9.



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