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RGUHS MBBS Physiology February 2023 (1022 CBME)

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

Questions (30)

  1. 1.Discuss the cardiorespiratory changes seen in a person doing moderate isotonic exercise Define Blood Pressure. List the factors regulating blood pressure. Add a note on long term regulation of blood pressure
    10 Marks
  2. 2.Explain the mechanism of HCL secretion in gastric juice and discuss the factors regulating it
    10 Marks
  3. 3.Explain the pressure changes in the lung during normal respiration
    5 Marks
  4. 4.Explain the organization of body fluids compartments. Mention one method to measure extra cellular fluid volume and total body water
    5 Marks
  5. 5.Discuss the factors regulating glomerular filtration
    5 Marks
  6. 6.A 20-year-old male was brought to the casualty following a road traffic accident. On examination his extremities were found to be cold and clammy, heart rate 102/min and blood pressure 70/50 mm of Hg a) Explain the physiological basis of cold clammy extremities b) Classify shock and state Marey’s law
    5 Marks
  7. 7.Explain the intrinsic mechanism of coagulation
    5 Marks
  8. 8.Explain the Bohr effect and Haldane effect
    5 Marks
  9. 9.Discuss the mechanism of fat digestion and absorption in gastrointestinal tract
    5 Marks
  10. 10.Describe the buffer systems present in renal tubules
    5 Marks
  11. 11.Mention the physiological basis of increased ventilation perfusion ratio in apex of lung
    3 Marks
  12. 12.Classify anaemia on the basis of morphology with examples
    3 Marks
  13. 13.Mention the causes for the waves of Jugular venous pulse
    3 Marks
  14. 14.List different layers of respiratory membrane
    3 Marks
  15. 15.Explain the basis of using phototherapy for physiological jaundice
    3 Marks
  16. 16.Explain the basis of megaloblastic anemia seen after gastrectomy
    3 Marks
  17. 17.Enumerate the function of platelets
    3 Marks
  18. 18.Explain Laplace law with reference to urinary bladder
    3 Marks
  19. 19.List the properties of cardiac muscle
    3 Marks
  20. 20.Explain the mechanism of action of loop diuretics
    3 Marks
  21. 21.Cephalic phase of gastric juice secretion is controlled mainly by A. Neural factors B. Hormonal factors C. Gastric distension D. Presence of proteins in stomach
    1 Mark
  22. 22.Atrial systole coincides with ventricular A. Isometric contraction B. Rapid ejection phase C. Last rapid filling phase D. Isometric relaxation
    1 Mark
  23. 23.Descending limb of loop of Henle is permeable to all EXCEPT A. Water B. Sodium C. Urea D. Glucose
    1 Mark
  24. 24.PCO2 of alveolar air in mm of Hg A. 104 B. 46 C. 40 D. 27
    1 Mark
  25. 25.Maximum velocity of conduction in the cardiac musculature is seen in A. SA node B. Av node C. Bundle of His D. Purkinje fibers
    1 Mark
  26. 26.Edema can develop due to A. Decrease in capillary hydrostatic pressure B. Increase in interstitial fluid hydrostatic pressure C. Decrease in capillary oncotic pressure D. Decrease in interstitial fluid colloid osmotic pressure
    1 Mark
  27. 27.The plasma level at which a substance first appears in urine is A. Renal threshold B. Renal clearance C. Tubular maximum D. Filtered load
    1 Mark
  28. 28.Chief cells of gastric gland secrete A. Hydrochloric acid B. Mucous C. Pepsinogen D. Intrinsic factor
    1 Mark
  29. 29.Decompression sickness is due to A. Increased partial pressure of nitrogen in alveolar air B. Bubbling of CO2 in tissues C. Decreased PO2 in atmospheric air D. Nitrogen bubbles in body fluids
    1 Mark
  30. 30.Warfarin acts as an anticoagulant by decreasing A. Calcium content in blood B. Active form of vitamin K C. Thrombin level D. Platelet aggregation
    1 Mark

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