This download link is referred from the post: RGUHS MBBS 1st Year Last 15 Years 2010-2025 Previous Question Papers (Rajiv Gandhi University of Health Sciences)
QP CODE : 1022
Rajiv Gandhi University of Health Sciences, Karnataka
MBBS Phase - I (CBME) Degree Examination - 09-Feb-2023
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Time: Three Hours Max. Marks: 100 Marks
PHYSIOLOGY - PAPER - I (RS-4)
Q.P. CODE: 1022
(QP contains two pages)
Your answers should be specific to the questions asked
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Draw neat, labeled diagrams wherever necessary
LONG ESSAYS 2 x 10 = 20 Marks
- Discuss the cardiorespiratory changes seen in a person doing moderate isotonic exercise
Or
Define Blood Pressure. List the factors regulating blood pressure. Add a note on long term regulation of blood pressure - Explain the mechanism of HCL secretion in gastric juice and discuss the factors regulating it
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SHORT ESSAYS 8 x 5 = 40 Marks
- Explain the pressure changes in the lung during normal respiration
- Explain the organization of body fluids compartments. Mention one method to measure extra cellular fluid volume and total body water
- Discuss the factors regulating glomerular filtration
- A 20-year-old male was brought to the casualty following a road traffic accident. On examination his extremities were found to be cold and clammy, heart rate 102/min and blood pressure 70/50 mm of Hg
- Explain the physiological basis of cold clammy extremities
- Classify shock and state Marey’s law
- Explain the intrinsic mechanism of coagulation
- Explain the Bohr effect and Haldane effect
- Discuss the mechanism of fat digestion and absorption in gastrointestinal tract
- Describe the buffer systems present in renal tubules
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SHORT ANSWERS 10 x 3 = 30 Marks
- Mention the physiological basis of increased ventilation perfusion ratio in apex of lung
- Classify anaemia on the basis of morphology with examples
- Mention the causes for the waves of Jugular venous pulse
- List different layers of respiratory membrane
- Explain the basis of using phototherapy for physiological jaundice
- Explain the basis of megaloblastic anemia seen after gastrectomy
- Enumerate the function of platelets
- Explain Laplace law with reference to urinary bladder
- List the properties of cardiac muscle
- Explain the mechanism of action of loop diuretics
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Multiple Choice Questions 10 x 1 = 10 Marks
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- i) Cephalic phase of gastric juice secretion is controlled mainly by
- Neural factors
- Hormonal factors
- Gastric distension
- Presence of proteins in stomach
- ii) Atrial systole coincides with ventricular
- Isometric contraction
- Rapid ejection phase
- Last rapid filling phase
- Isometric relaxation
- iii) Descending limb of loop of Henle is permeable to all EXCEPT
- Water
- Sodium
- Urea
- Glucose
- iv) PCO2 of alveolar air in mm of Hg
- 104
- 46
- 40
- 27
- v) Maximum velocity of conduction in the cardiac musculature is seen in
- SA node
- AV node
- Bundle of His
- Purkinje fibers
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- i) Edema can develop due to
- Decrease in capillary hydrostatic pressure
- Increase in interstitial fluid hydrostatic pressure
- Decrease in capillary oncotic pressure
- Decrease in interstitial fluid colloid osmotic pressure
- ii) The plasma level at which a substance first appears in urine is
- Renal threshold
- Renal clearance
- Tubular maximum
- Filtered load
- iii) Chief cells of gastric gland secrete
- Hydrochloric acid
- Mucous
- Pepsinogen
- Intrinsic factor
- iv) Decompression sickness is due to
- Increased partial pressure of nitrogen in alveolar air
- Bubbling of CO2 in tissues
- Decreased PO2 in atmospheric air
- Nitrogen bubbles in body fluids
- v) Warfarin acts as an anticoagulant by decreasing
- Calcium content in blood
- Active form of vitamin K
- Thrombin level
- Platelet aggregation
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This download link is referred from the post: RGUHS MBBS 1st Year Last 15 Years 2010-2025 Previous Question Papers (Rajiv Gandhi University of Health Sciences)
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