Rajiv Gandhi University of Health Sciences, Karnataka
MBBS PHASE I Degree Examination - June / July 2011
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Time: Three Hours Max. Marks: 100 Marks
PHYSIOLOGY – I
(RS 2 & RS 3)
Q.P. CODE: 1077
Your answers should be specific to the questions asked
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Draw neat labeled diagrams wherever necessaryLONG ESSAYS (Answer any Two) 2 x 10 = 20 Marks
- Name the lead systems employed in recording Electrocardiogram. Draw and label a typical Electrocardiogram and explain the causation of various deflections and intervals
- Classify the leucocytes and describe their morphological features with the help of diagrams. Elaborate the steps involved in the phagocytic function of neutrophils
SHORT ESSAYS 10 x 5 = 50 Marks
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- Draw a diagram of Juxta Glomerular apparatus. Explain its functions
- Mention the causation, morphological features of red cells and treatment of pernicious anemia
- Describe the factors regulating gastric emptying
- Describe the chemical regulation of respiration
- Describe how cushing's reflex is activated and its effect on systemic blood pressure
- Define Fick's principle. Give details of estimation of cardiac output based on it
- Describe the mode of Glucose reabsorption in the proximal tubule of the Nephron and TmG
- What are the types of jaundice, their salient features and method of differentiation
- Give a brief account of respiratory distress syndrome (Hyaline Membrane Disease)
- Describe the pharyngeal phase of deglutition
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SHORT ANSWERS 10X3=30 Marks
- What are micelles and how are they formed
- Define functional residual capacity, its normal range and significance
- Explain the operation of Hering - Breuer reflex
- Name two anticoagulants. Explain mechanism of action of any one of them
- What are the types of dead space and their extent
- What is facilitated diffusion and how does it differ from simple diffusion
- Name the important proteolytic enzymes and their mode of activation
- Describe how gastric acid secretion can be reduced to treat acid peptic ulcer
- Mention the effects of vagal stimulation on heart
- What is secondary active transport? Give an example
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