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RGUHS MBBS Physiology February 2022 (1022 CBME)

1022Rajiv Gandhi University of Health Sciences · Physiology · 2022 · February · CBME

Questions (30)

  1. 1.Define cardiac output. Mention its normal value. Describe the factors regulating it.
    10 Marks
  2. 2.How is oxygen carried in blood? Describe oxygen – Hemoglobin dissociation curve and factors affecting it.
    10 Marks
  3. 3.What is normal GFR? Explain the factors regulating it
    5 Marks
  4. 4.Explain Rh incompatibility
    5 Marks
  5. 5.An adult aged 22 years with history of diarrhoea and vomiting of one day duration comes to the OPD. On examination the patient was in altered sensorium, BP-low, tachycardia, thready pulse, cold clammy extremities a) What is the probable diagnosis? b) Explain the reflex that comes into action in the above condition
    5 Marks
  6. 6.Describe the intrinsic mechanism of coagulation
    5 Marks
  7. 7.Explain Phases of gastric acid secretion
    5 Marks
  8. 8.Describe renal function tests
    5 Marks
  9. 9.Write composition and functions of saliva
    5 Marks
  10. 10.Explain chemical regulation of respiration
    5 Marks
  11. 11.What is the basis for resting membrane potential?
    3 Marks
  12. 12.Enumerate the cause and features of hemophilia
    3 Marks
  13. 13.What is ejection fraction? Write its significance
    3 Marks
  14. 14.Explain the role of surfactant in lung mechanics
    3 Marks
  15. 15.Explain the absorption of fat in the small intestine
    3 Marks
  16. 16.Define transport maximum for glucose and give normal value
    3 Marks
  17. 17.What is the physiological importance of mitochondria
    3 Marks
  18. 18.Enumerate the factors affecting erythropoiesis
    3 Marks
  19. 19.Draw a neat labelled diagram of Lead II ECG
    3 Marks
  20. 20.Give the physiological importance of Na+ / K+ pump
    3 Marks
  21. 21.Gastric acid secretion is increased by A. Presence of acid in small intestine B. Presence of chyme in stomach C. Presence of protein breakdown product in small intestines D. Distension of small bowel
    1 Mark
  22. 22.Dynamic lung volume is A. Tidal volume B. Timed vital capacity C. Vital capacity D. Expiratory reserve volume
    1 Mark
  23. 23.Normal platelet count is A. 4000-11000 / cu.mm B. 1.5-4L/cu.mm C. 5-6 million/cu.mm D. More than 6 million/cu.mm
    1 Mark
  24. 24.In Cushing’s reflex there is A. Increased HR increased BP B. Decreased HR increased BP C. Increased HR decreased BP D. Decreased HR decreased BP
    1 Mark
  25. 25.First heart sound A. Marks the onset of ventricular systole B. Caused by the closure of atrio ventricular value C. Best heard over aortic and pulmonary areas D. Characterized by high pitch and sharp sound
    1 Mark
  26. 26.Apneustic center is situated in A. Pons B. Medulla C. Internal capsule D. Spinal cord
    1 Mark
  27. 27.The normal end diastolic volume is A. 80-100 ml B. 100-120 dl C. 120-140 ml D. 140-160 µl
    1 Mark
  28. 28.Site of absorption of vit B12 A. Duodenum B. Proximal jejunum C. Distal ileum D. Colon
    1 Mark
  29. 29.Inulin has the property of A. Partially secreted by the tubules B. Freely filtered at Bowman’s capsule C. Partially reabsorbed by the tubules D. Excreted negligibly in urine
    1 Mark
  30. 30.Voluntary control of micturition is under the control of A. Pudendal nerve B. Pelvic nerve C. Hypo gastric nerve D. Thoracic nerve
    1 Mark

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