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RGUHS MBBS Physiology December 2024 (1023 CBME)

1023Rajiv Gandhi University of Health Sciences · Physiology · 2024 · December · CBME

Questions (30)

  1. 1.Describe the connections and functions of basal ganglia. Add a note on disorders of basal ganglia
    10 Marks
  2. 2.Discuss in detail the synthesis and actions of thyroid hormones. Add a note on Grave’s disease
    10 Marks
  3. 3.Explain supra spinal control of stretch reflex
    5 Marks
  4. 4.A 30 year old male who had a recent head injury complained of sudden increase in urine output. He also has immense thirst and nocturia. Blood and urine analysis showed FBS – 95mg/dl; serum osmolality – 305mOsm/kg of water, specific gravity of urine - <1.005; urine volume – 10L/day; urine glucose – nil a) What is the probable diagnosis? b) Name the hormone involved and its site of action c) What is the physiological basis of increased urine output in this condition?
    5 Marks
  5. 5.Discuss the actions of testosterone and its regulation
    5 Marks
  6. 6.Draw a neat labelled diagram of pain pathway. Add a note on gate control theory of pain
    5 Marks
  7. 7.Explain the mechanism of excitation – contraction coupling in skeletal muscle
    5 Marks
  8. 8.Describe the contents and functions of middle ear
    5 Marks
  9. 9.Explain postural reflexes integrated at the level of medulla oblongata
    5 Marks
  10. 10.Describe the uterine changes during menstrual cycle. Add a note on hormonal basis for the same
    5 Marks
  11. 11.Explain classical conditioning
    3 Marks
  12. 12.What is aldosterone escape?
    3 Marks
  13. 13.List the functions of placental hormones
    3 Marks
  14. 14.Explain compound action potential
    3 Marks
  15. 15.Explain synaptic inhibition
    3 Marks
  16. 16.Define brain death. List the features of brain death
    3 Marks
  17. 17.Draw a labelled diagram of taste pathway
    3 Marks
  18. 18.Explain the different waves of EEG
    3 Marks
  19. 19.Draw a neat labelled diagram of strength duration curve
    3 Marks
  20. 20.What is VO2max?
    3 Marks
  21. 21.The processing of short-term memory to long-term memory is done in: A. Prefrontal cortex B. Hippocampus C. Neocortex D. Amygdala
    1 Mark
  22. 22.Capacitation of sperms takes place in: A. Seminiferous tubules B. Epididymis C. Vas deferens D. Uterus
    1 Mark
  23. 23.Secretion of growth hormone increases with A. Increase in blood glucose level B. Increase in cortisol C. Increase in free fatty acid level D. Increased sleep
    1 Mark
  24. 24.Action of progesterone: A. Causes uterine contraction B. Inhibits LH secretion C. Decrease in body temperature D. Causes proliferative changes in uterus
    1 Mark
  25. 25.Glucose increases plasma insulin by a process that involves: A. GLUT 1 B. GLUT 2 C. GLUT 3 D. SGLT 1
    1 Mark
  26. 26.In moderate exercise the respiratory rate is increased due to response of: A. Proprioception receptors in the joints B. Decreased pCO2 in arterial blood C. Increased pO2 in arterial blood D. J-receptor stimulation
    1 Mark
  27. 27.In muscle contraction all are true except: A. A band remains unchanged B. H zone disappears C. I band becomes wider D. Two Z lines come closer
    1 Mark
  28. 28.Transducin is required for: A. Smell B. Hearing C. Taste D. Vision
    1 Mark
  29. 29.The potential in the endolymph of inner ear A. End-plate potential B. Endo lymphatic potential C. Action potential D. Cochlear microphonic potential
    1 Mark
  30. 30.The body mass index to be considered as obesity if: A. More than 30kg/m2 B. More than 25kg/m2 C. Between 20-24kg/m2 D. Less than 20kg/m2 E.
    1 Mark

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