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Code: 1301
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First Professional MBBS Degree Supplementary Examinations, March 2012
PHYSIOLOGY-PAPER I
Time: 3 Hours
Total Marks: 50
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- Answer all questions
- Draw Diagrams wherever necessary
Long Essay: (10)
- A 50 year old male come with complaints of difficulty in breathing. Auscultation revealed the presence of rhonchi in all the lung fields. Patient's pulmonary function tests revealed
- FVC decreased
- FEV1=60%
- What is FVC and FEV1.
- Give the normal values of FEV1 and FEV1.
- Describe the physiological basis for this change of FEV1.
- What is the probable clinical condition.
- What is the significance of FEV1. (2+1+2+2+3=10)
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Short Essay: (2x5=10)
- Describe the morphology, properties and functions of platelets.
- Describe the functions and regulation of hydrochloric acid secretion
Write briefly on (5x3=15)
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- Right atrial pressure changes.
- Synthesis and functions of surfactants.
- Role of juxta glomerular apparatus in the regulation of ECF volume.
- Rh factor and it's clinical significance.
- Phases of deglutition.
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Draw and label (2x2½ =5)
- The effect of temperature and pH on oxygen dissociation curve.
- Normal ECG.
Explain the physiological basis of the following (5x2=10)
- Atonic bladder.
- Megaloblastic anaemia in vitamin B12 deficiency.
- Acclimatization in high altitude.
- Mouth to mouth respiration is the best form of artificial respiration.
- Steatorrhoea in acute pancreatitis.
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