Q.P. Code: 113001
2019 Scheme
Reg. no.: .........................
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First Professional MBBS Degree Supplementary (SAY) Examinations
August 2021
Physiology I
Time: 3 Hours
Total Marks: 100
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- Answer all questions to the point neatly and legibly. Do not leave any blank pages between answers
- Indicate the question number correctly for the answer in the margin space
- Answer all parts of a single question together. Leave sufficient space between answers
- Draw table/diagrams/flow charts wherever necessary
Long Essays (2x15=30)
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- A 55-year old man is brought to the casualty after a road traffic accident. He was disoriented and irritable. On examination his blood pressure was 90/40 mmHg, respiratory rate was 24/minute and pulse rate was 150/minute. His ECG did not show any abnormality.
- What is your diagnosis
- Discuss the physiological basis for various clinical features seen and management of this condition
- Describe baroreceptor reflex. (1+5+4+5)
- Name the location of the respiratory centres. Explain their role in the regulation of respiration. Describe the mechanisms of periodic breathing. (4+6+5)
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Short essays (5x8=40)
- Describe the role of T-lymphocytes in immune mechanisms.
- Describe the dangers associated with blood transfusion. Explain what precautions could be taken to prevent them.
- Functions of Neutrophil
- Counter-current exchange system.
- Name the types of intestinal movements and explain their functions.
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Write briefly (5x4=20)
- Explain the regulation of gastric juice secretion in different phases.
- Draw and label a normal cystometrogram.
- Explain the physiological basis of symptoms in decompression sickness.
- With the aid of a schematic diagram, describe the intrinsic pathway of coagulation
- Draw a tracing of the jugular venous pressure and give the basis of each wave.
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One word Answers (10x1=10)
- The cell that processes and presents antigens to lymphocytes is .................................................................
- Nutritional anaemia seen in Vitamin B12 deficiency is..................................................................................
- The tissue capacity to utilise oxygen is lost in ..........type of hypoxia................................................................
- Combination of hypoxia and hypercapnia is called........................................................................................
- The role of pudendal nerve in micturition reflex is by controlling ....................sphincter..................................
- Heart sound produced due to closure of the aortic and pulmonary valves is.....................................................
- QRS complex in ECG indicates........................................................................................................................
- Part of the nephron in which the maximum amount of water is reabsorbed is...................................................
- The final product of carbohydrate digestion is .................................................................................................
- Defecation observed immediately after a meal in children is due to....... reflex...................................................
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