Q6/8C/04-15 Reg. No

St. Joseph’s College of Arts & Science (Autonomous) St. Joseph’s College Road, Cuddalore – 607001 BC611 - HUMAN PHYSIOLOGY

Time : 3 hrs

Max Marks :75 SECTION – A (25X1=25) Answer ALL Questions

I. Choose the correct answer 1. Which of the following blood group is the universal donor a) A b) B c) O d) AB 2. Cell involved in phagocytosis is a) Neutrophils b) Eosinophils c) Basophils d) All of the above 3. The milk protein in the stomach of an adult is digested by a) Rennin b) HCL c) Pepsin d) Trypsin 4. The sugar absorbed by facilitated transport is a) Galactose b) Fructose c) Xylose

d) Glucose

5. Exchange of gases between two compartments is achieved by a) Active transport b) Passive transport c) Partial pressure d) Diffusion 6. Which of the following is used to estimate GFR a) Inulin b) Creatinine c) Mannitol d) All of the above 7. The junction between two neurons is termed as a) Synapse b) Junction c) Synaptic cleft d) None of the above 8. The region of the brain connected with consciousness is a) Cerebrum b) Cerebellum c) Midbrain d) Medulla oblongata

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Q6/8C/04-15 9. Muscles are divided into the following types a) Two b) Three c) Four

d) Five

10. Thin filaments contains all of the below except a) Myosin b) Actin c) Troponin d) Tropomyosin II. Say true or false for the following questions: 11. RBC is a non-nucleated cell. 12. Pepsin is secreted by the parietal cells of the stomach. 13. Oxygen dissociation curve is sigmodial. 14. The ends of presynaptic fibres have synaptic knobs. 15. Calcium is essential for muscle contraction. III. Answer all the questions 16. Which is termed as pacemaker? 17. What are agglutinins? 18. Write the function of enterokinase. 19. Define emulsification 20. What is diffusion? 21. Define GFR 22. Give one example for neurotransmitter. 23. Expand CSF. 24. How many alpha helices are in myosin? 25. What is proteose?

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Q6/8C/04-15 SECTION – B (4X5=20) Answer any FOUR Questions 26. Bring out the importance of neutrophils. 27. Write the functions of saliva. 28. Explain zymogen activation with an example. 29. Highlight on oxygen dissociation curve and factors influencing it. 30. Illustrate various forms of synapses with suitable diagram. 31. Give a short account on muscle proteins. SECTION –C (3X10=30) Answer any THREE Questions 32. Write in detail the ABO blood group system. 33. Explain the digestion and absorption of carbohydrates. 34. With a neat sketch, explain the structure and functions of nephron. 35. Draw the physiological anatomy of brain and highlight the functions of various parts. 36. Describe sliding filament theory of muscle contraction.

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