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RGUHS MBBS Physiology April 2023 (1022 CBME)

1022Rajiv Gandhi University of Health Sciences · Physiology · 2023 · April · CBME

Questions (30)

  1. 1.Define cardiac output. Explain in detail the factors regulating cardiac output. Add a note Fick’s principle
    10 Marks
  2. 2.Enumerate different types of chemo receptors. Explain their role in chemical regulation of respiration. Add a note on breath holding
    10 Marks
  3. 3.Explain the intrinsic mechanism of blood clotting
    5 Marks
  4. 4.Discuss the characteristic features of coronary circulation
    5 Marks
  5. 5.Explain the counter current multiplier system in kidney
    5 Marks
  6. 6.Discuss the mechanism of cell mediated immunity
    5 Marks
  7. 7.A male aged 55 years was brought to emergency department with history of retro sternal pain since morning, pain in epigastrium radiating to left shoulder, profuse sweating. He is a known diabetic and hypertensive on irregular treatment a) What is the probable diagnosis? b) What are the expected ECG changes in this condition? c) Why is the subendocardium more prone to Ischaemia?
    5 Marks
  8. 8.With a neat labelled diagram, explain the different lung volumes and capacities
    5 Marks
  9. 9.Discuss the functions of exocrine pancreatic juice and its regulation
    5 Marks
  10. 10.Explain the micturition reflex and its higher control
    5 Marks
  11. 11.What is ejection fraction? Mention its clinical significance
    3 Marks
  12. 12.Explain the significance of Timed Vital Capacity
    3 Marks
  13. 13.Explain the physiological basis of anaemia in kidney disease
    3 Marks
  14. 14.List the functions of saliva
    3 Marks
  15. 15.Explain the genesis of resting membrane potential
    3 Marks
  16. 16.Explain type I hypersensitivity reaction
    3 Marks
  17. 17.Explain the physiological basis of lactose intolerance
    3 Marks
  18. 18.Enumerate the functions of lymph
    3 Marks
  19. 19.What is respiratory acidosis? Mention one condition causing it
    3 Marks
  20. 20.Explain the pathophysiology of peptic ulcer
    3 Marks
  21. 21.The pacemaker potential is due to: A. Fast Na+ channel B. Na+ entry through funny channels C. Slow Ca++ efflux D. Rapid repolarization
    1 Mark
  22. 22.True regarding endothelin-1 is all EXCEPT A. Broncho dilatation B. Vasoconstriction C. Decreased GFR D. Local regulation
    1 Mark
  23. 23.Measurement of anatomic dead space is by: A. O2 breath test B. Helium dilution test C. N2 breath test D. pCO2
    1 Mark
  24. 24.Oxygen therapy is least useful in: A. Anaemia B. ARDS C. Alveolar damage D. COPD
    1 Mark
  25. 25.In renal disease albumin appears in urine because: A. Of its high concentration in plasma B. Negative charges in the glomerular wall are dissipated C. High albumin: globulin ratio D. Tubular epithelial cells are sensitive to albumin
    1 Mark
  26. 26.Which of the following does not form a filtration barrier in nephrons: A. Podocytes B. Mesangium C. Endothelial cell D. Basement membrane
    1 Mark
  27. 27.Clathrin is used in: A. Receptor mediated endocytosis B. Exocytosis C. Cell to cell adhesion D. Plasma membrane
    1 Mark
  28. 28.Major regulator of inter digestive myo-electric complexes: A. VIP B. GIP C. Motilin D. Neurotensin
    1 Mark
  29. 29.Equilibrium potential for an ion is calculated by using: A. Gibbs – Donnan equilibrium B. Nernst equation C. Goldman equation D. Donnan equilibrium
    1 Mark
  30. 30.Glycosylated haemoglobin is known to be a good indicator of : A. Blood cholesterol levels B. Blood triglyceride levels C. Plasma protein levels D. Blood glucose levels
    1 Mark

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