9 Multiple Choice Questions (MCQs) with Answers on “Neurochemistry” for Psychiatry Post Graduate Students:
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1. The precursor of dopamine is:
A. Phenylalanine
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B. Tryptophan
C. Glycine
2. The central metabolite of norepinephrine is:
ADVERTISEMENTS:
A. MHPG (3 Methoxy 4 hydroxy phenylglycol)
B. HVA (Homovanillic acid)
C. VMA (Vanillylmandelic acid)
D. 5HIAA (5 Hydroxy indole acetic acid)
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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