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Psychiatry Question Bank – 9 Multiple Choice Questions on “Neurochemistry”

1. The precursor of dopamine is:

A. Phenylalanine

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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. 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

Answer

1.A 2.B 3.C 4.A 5.B,C,D 6.A 7.A 8. A 9. A,B,C

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