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QP CODE : 1022
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Rajiv Gandhi University of Health Sciences, Karnataka
MBBS Phase I (CBME) Degree Examination - 06-Dec-2024
Time: Three Hours Max. Marks: 100
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PHYSIOLOGY – PAPER - I (RS-4)
Q.P. CODE: 1022
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(QP contains two pages)
Your answers should be specific to the questions asked
Draw neat, labeled diagrams wherever necessary
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LONG ESSAYS 2 x 10 = 20 Marks
- Describe the different stages of erythropoiesis with the help of a neat labelled diagram. Explain the factors influencing erythropoiesis
- Describe the renal handling of sodium. Add a note on tubulo-glomerular feedback mechanism.
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SHORT ESSAYS 8 x 5 = 40 Marks
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- Explain the Baroreceptor reflex mechanism in blood pressure regulation
- Describe the acclimatization changes seen in natives of high altitude along with their physiological basis
- Explain the active transport mechanisms across cell membrane
- A 40 yr old man presented with severe abdominal pain in casualty. History revealed chronic intake of Nonsteroidal anti-inflammatory drugs (NSAIDs). On examination the duty Medical Officer confirmed that it was a case of gastric ulcer
- Interpret the role played by NSAIDs in development of gastric ulcer
- Justify the use of proton pump inhibitors in the treatment of gastric ulcers
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- Mention the composition of pancreatic juice. Describe the regulation of pancreatic secretion
- Enumerate the special features of coronary circulation
- Briefly explain the chemical regulation of respiration
- Illustrate the innervation of urinary bladder and describe a normal cystometrogram
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SHORT ANSWERS 10 x 3 = 30 Marks
- List the functions of white blood corpuscles
- Explain the effect of sympathetic stimulation on pacemaker potential with the help of a diagram
- What is oxygen debt?
- Enumerate the steps occurring during the pharyngeal phase of deglutition
- Depict the extrinsic pathway of coagulation in the form of a flow chart
- Explain the causes of first and second heart sounds
- Mention the type of hypoxia seen in cyanide poisoning and explain the basis of treatment
- State Landsteiner's law
- Define Mean arterial pressure and Pulse pressure
- List the clinical features of hypovolemic shock
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QP CODE: 1022
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Rajiv Gandhi University of Health Sciences, Karnataka
Multiple Choice Questions 10 x 1 = 10 Marks
- i) Optimal pH for the action of salivary amylase is
- 4.2
- 6.7
- 7.4
- 8.2
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- ii) Progressive lengthening of the PR interval until a ventricular beat is dropped is known as
- Wenkebach phenomenon
- Stokes Adams syndrome
- Fascicular block
- Third degree heart block
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- iii) Renal plasma flow is measured by clearance of
- Inulin
- Creatinine
- P-aminohippuric acid
- Urea
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- iv) Maximum volume of gas that can be moved into and out of lungs in one min by voluntary effort is known as
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- Maximum voluntary ventilation
- Pulmonary ventilation
- Respiratory minute volume
- Residual volume
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- v) The principal site of peripheral resistance is
- Capillaries
- Veins
- Large arteries
- Arterioles
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- i) Extensive liver damage results in reduction of the following plasma proteins EXCEPT
- Albumin
- Gamma globulin
- Beta globulin
- Fibrinogen
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- ii) The minimum volume of urine that must be excreted is called
- Obligatory urine volume
- Free water clearance
- Concentrating volume
- Diluting volume
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- iii) The type of movement seen characteristically in small intestine are all EXCEPT
- Pendular movements
- Mass movement
- Segmentation contractions
- Peristaltic rush
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- iv) Periodic breathing is seen in all the following conditions EXCEPT
- Cheyne stokes breathing
- Biots breathing
- Voluntary hyperventilation
- Histotoxic hypoxia
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- v) Individuals who express a terminal galactose on the H antigen are type
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- A
- B
- AB
- O
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*****
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