Download RUHS MBBS 1st Year 2015 August Biochemistry Paper I Question Paper

RUHS FIRST YEAR MBBS EXAMINATION

BIOCHEMISTRY- PAPER - I

August 2015 TIME: 3 HOURS TOTAL MARKS: 50

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INSTRUCTIONS:

1. Que. No. 1 and 5 in section A and B are compulsory. Attempt ANY TWO questions from rest of the questions in each section.
2. Use separate answer sheet for each section.

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Section A

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1. 1. Describe the mechanisms that maintain blood glucose level. Enumerate three conditions each for hypo& hyper glycaemia. (A. 646) (5)
   2. What are the cardinal symptoms of diabetes mellitus? Explain why they occur. Add a note on chronic completion of diabetes mellitus (A. 654,655) (5)
2. 1. Describe the biochemical error effects and management of classical galatosemia. (A. 278)
   2. Vitamin co-enzymes (A. 99) (4)

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3. Activation and actions of calcitriol (A. 127) (4)

5. Lesch-nyhan syndrome (A. 399)
6. Acute phase proteins (A. 186)
7. Transamination (A. 333)

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Section B

5. 1. Describe competitive inhibition of enzymes. How does it affect enzyme kinetics?(A. 94)
   2. Abnormal haemoglobins (A. 201)
6. 1. Cholesterol transport in the body (A. 314)

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   2. Polysaccharides present in the diet. (A. 505)
7. 1. Fatty liver (A. 324)
   2. Proteins energy malnutrition (A. 514)

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9. Obesity (A. 515)
10. Rapoport-leubering cycle (A. 199)

11. 1. Iron Overload (A. 419)
    2. Second messengers (A. 432)
    3. Uncouples of oxidative phosphorylation (A. 226)

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