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Thursday, January 7, 2016

2014 Question Paper,FIRST M.B.B.S.Dr. MGR University Question Paper,Paper III – PHYSIOLOGY INCLUDING BIOPHYSICS – I

Dr. MGR University Question Paper
Q. P. Code : 524053
Time : 180 Minutes Maximum: 50 Marks
Answer ALL questions.
Draw Suitable diagrams wherever necessary
I. Elaborate on: (2 x 7.5 = 15)
1. Describe the physiological roles of the different types of granulocytes circulating in
2. Define Glomerular Filtration Rate (GFR). What are its determinants?
 Discuss the phenomenon of autoregulation of GFR.
 Describe the best test for estimation of GFR.
 What is the routinely used clinical test to assess renal function?
II. Write notes on: (10 x 2.5 = 25)
1. cAMP signaling pathway, with an example
2. Colloid oncotic pressure and its importance
3. Excitation-contraction coupling in skeletal muscle
4. Types of polycythemia and complications due to this condition
5. Findings of ‘tests of hemostasis’ in hemophilia
6. Functions of macrophages
7. Physiological role of corticosteroids
8. Function of any one hormone of posterior pituitary
9. Composition of bile and the physiological role (if any) of the components.
 10. Pathophysiology of peptic ulcer
III. Short Answers on: (10 x 1 = 10)
1. Membrane transporters involved in clearance of calcium from cytoplasm
2. Concentrations of sodium and potassium in intra and extracellular fluids
3. Phenomena involved in the act of swallowing
4. Role of ATP in relaxation of muscle
5. Draw a schematic diagram of the sarcomere and label its components
6. Opsonins
7. Cells which express Major Histocompatibility complex II
8. Significance of glycosylated hemoglobin
9. Name 4 enzymes in pancreatic secretion
 10. Hormonal imbalance causing (a) acromegaly (b) cretinism

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