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RGUHS MBBS Physiology November 2023 (1023 CBME)

1023Rajiv Gandhi University of Health Sciences · Physiology · 2023 · November · CBME

Questions (30)

  1. 1.Explain the dorsal column pathway with the help of a diagram. Describe its functions
    10 Marks
  2. 2.Describe the maternal changes during pregnancy. Add a note on the functions of placenta
    10 Marks
  3. 3.Explain degeneration and regeneration of nerve fibers
    5 Marks
  4. 4.Explain the hormonal regulation of blood calcium levels
    5 Marks
  5. 5.Define brain death. List the features of brain death
    5 Marks
  6. 6.A 60 yrs old man experiences sudden onset of inability to move right upper and lower limbs. Decrease in tone of muscles was noted by the examining doctor a) What will happen to the muscle power and reflex on the right side? b) Explain how muscle tone is regulated at spinal level
    5 Marks
  7. 7.Explain the pain pathway with the help of a neat labelled diagram
    5 Marks
  8. 8.Explain light and dark adaptation
    5 Marks
  9. 9.Explain the different phases of action potential in a nerve fibre and its ionic basis
    5 Marks
  10. 10.Describe the functions of basal ganglia
    5 Marks
  11. 11.List the functions of sertoli cells
    3 Marks
  12. 12.Draw a neat labelled diagram of a Sarcomere
    3 Marks
  13. 13.Graphically represent the hormonal changes in a normal menstrual cycle
    3 Marks
  14. 14.What is Aphasia? List the types of aphasia
    3 Marks
  15. 15.List the responses of body to hot environment
    3 Marks
  16. 16.Trace the taste pathway
    3 Marks
  17. 17.Explain the physiological basis of polyphagia in diabetes mellitus
    3 Marks
  18. 18.What is impedance matching?
    3 Marks
  19. 19.List the functions of cerebrospinal fluid
    3 Marks
  20. 20.List the features of Acromegaly
    3 Marks
  21. 21.The human ear is most sensitive to frequencies (in Hz) of A. 20-1000 B. 1000-5000 C. 5000-10000 D. 10000-20000
    1 Mark
  22. 22.Most rapidly adapting receptors are A. Pacinian corpuscles B. Hair receptors C. Muscle spindle D. Joint capsule receptors
    1 Mark
  23. 23.Synaptic transmission exhibits all except A. Junctional delay B. Fatigue C. Modulation D. Bidirectional transmission
    1 Mark
  24. 24.The approximate period for which the ovum remains viable after ovulation under physiological conditions is A. 12 hrs B. 1 day C. 3 days D. 5 days
    1 Mark
  25. 25.The receptor for thyroid hormones is located in A. Cell membrane B. Mitochondria C. Nucleus D. Extra cellular fluid
    1 Mark
  26. 26.Presbyopia is caused by lens A. Opacity B. Hardening C. Fluidity D. Laxity
    1 Mark
  27. 27.LH surge in response to increase estrogen is an example of A. Positive feedback B. Negative feedback C. Reflex inhibition D. Short loop feedback
    1 Mark
  28. 28.Menstrual phase of endometrial cycle A. Is due to regression of corpus luteum B. Is followed by secretory changes in endometrium C. Starts about 18 days after ovulation D. Occurs under influence of progesterone
    1 Mark
  29. 29.Slow muscle fibers A. Are plenty in white muscle B. Have high glycolytic capacity C. Have slow myosin Atpase activity D. Oxidative capacity is low
    1 Mark
  30. 30.During accommodation for near vision A. Eyes converge B. More light enters C. Curvature of lens decreases D. Iris diaphragm relaxes E.
    1 Mark

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