First Year BDS Degree Supplementary Examinations - February 2014
General Human Physiology and Biochemistry
Time: 3 Hours
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QP CODE: 102002
Max Marks: 100
Essay
- Answer all questions
- Draw diagrams wherever necessary
- Write SECTION A and SECTION B in separate Answer books. Do not mix up questions from Section A and Section B.
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Section A - PHYSIOLOGY
Marks: 50
- What is the normal blood calcium level and list the hormones regulating blood calcium level. Describe how these hormones help in regulating blood calcium level and add a note on tetany (1+3+8+2=14)
Short essays (2x8=16)
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- Define cardiac output and mention its normal value. Describe the factors regulating cardiac output.
- Describe the pain pathway from the left foot with the help of a neat diagram and add a note on referred pain
Short notes (5x4=20)
- Chemical regulation of respiration
- Role of lymphocytes in immune functions
- Mechanism of gastric acid secretion
- Taste pathway and primary taste sensations
- Spermatogenesis
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Section B - BIOCHEMISTRY
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QP CODE: 103002
Marks: 50
- What is the normal fasting glucose level and discuss its regulation in detail. Name the conditions that cause increase and decrease in blood glucose level. (2+8+4=14)
Short essays (2x8=16)
- Explain the reactions of ß – oxidation. Add a note on its energetics.
- Define and mention the characteristic features of competitive inhibition. Explain its importance in clinical medicine with examples
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Short notes (5x4=20)
- Secondary structure of proteins
- Blood buffers
- Urea cycle reactions
- Structure of DNA
- Niacin
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