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NTRUHS MBBS Physiology October 2024 (M102A020 SET-C Regular)

M102A020Dr. NTR University of Health Sciences · Physiology · 2024 · October · Regular

Questions (20)

  1. 1.Erythrocyte sedimentation rate (ESR) is decreased in a) lron deficiency anaemia b) Arthritis c) Tuberculosis d) All of these
    1 Mark
  2. 2.Erythropoiesis is inhibited by a) Thyroxine b) Estrogen c) Intrinsic factor d) Interleukin 4
    1 Mark
  3. 3.Phagocytosis is done by a) Lymphocyte b) Monocyte c) Basophil d) Eosinophil
    1 Mark
  4. 4.Abnormal Hb is a) Hb F b) Hb A c) Hb S d) Embryonic Hb
    1 Mark
  5. 5.In the kidney, Aldosterone mainly acts upon a) Proximal convoluted tubule b) Loop of Henle c) Glomerulus d) Collecting duct
    1 Mark
  6. 6.Clot retraction is a function of a) Fibrinogen b) Prothrombin c) Plasminogen d) Platelet
    1 Mark
  7. 7.How much sodium is normally reabsorbed in PCT? a) 67% b) 77% c) 97% d) 50%
    1 Mark
  8. 8.Which of the following increases the glomerular filtration rate (GFR)? a) Increase in hydrostatic pressure of Bowman's capsule b) Decrease in glomerular capillary hydrostatic pressure c) Decrease in capillary permeability of d) Decrease in glomerular capillary oncotic pressure
    1 Mark
  9. 9.The content of which of the following gases is maximum in inspired air? a) Oxygen b) Nitrogen c) Carbon dioxide d) Carbon monoxide
    1 Mark
  10. 10.Loop of Henle handles the following EXCEPT: a) Na+ b) H+ c) Cl- d) Urea
    1 Mark
  11. 11.Normal ventilation-perfusion ratio is about a) 0.8 b) 1.2 c) 0.5 d)2.5
    1 Mark
  12. 12.Which of the following acts as a counter-current exchanger? a) Vasa recta b) Thick ascending limb of loop of Henle c) Thin descending limb of loop of Henle d) Collecting duct
    1 Mark
  13. 13.The maximum volume of air that can be expired after a maximal inspiratory effort a) Vital capacity b) Tidal volume c) Expiratory reserve volume d) Residual volume
    1 Mark
  14. 14.Most important stimulus to peripheral chemoreceptors is a) Decreased PO2 b) Decreased CO2 c) Increased pH d) Increased HCO3
    1 Mark
  15. 15.The conduction velocity is lowest in a) HIS bundle b) SA node c) Ventricular muscle d) Internodal pathways
    1 Mark
  16. 16.Increased airway resistance is caused by all EXCEPT: a) Forced expiration b) High lung volume c) Dense air d) Breathing dust particles
    1 Mark
  17. 17.If end diastolic volume is 160 ml and stroke volume is 80 ml, the ejection fraction is a) 40% b) 50% c) 60% d) 70%
    1 Mark
  18. 18.Cardiac muscle cannot be tetanized because of a) Rich blood supply b) Rich innervation c) Longer absolute refractory period d) High myoglobin content
    1 Mark
  19. 19.End diastolic volume increases when a) Intrathoracic pressure becomes more negative b) Total blood volume decreases c) Right atrial pressure increases d) Ventricular compliance decreases
    1 Mark
  20. 20.The 'v' wave of jugular venous pressure (JVP) curve is caused by a) Closure of the tricuspid valve b) Closure of the aortic valve c) Contraction of the atrium d) Rise in pressure due to venous return
    1 Mark

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