RGUHS MBBS Physiology November 2023 (1022 CBME)

1022Rajiv Gandhi University of Health Sciences · Physiology · 2023 · November · CBME

Questions (30)

1.Define Shock. Discuss about the different stages of shock with compensatory mechanisms. Add a note on refractory shock
10 Marks
2.Define Hypoxia. Describe in detail the cause and characteristic features of different types of Hypoxia
10 Marks
3.Explain briefly fibrinolytic mechanism and its significance
5 Marks
4.Discuss in detail the regulation of heart rate. Add a note on sinus arrhythmia
5 Marks
5.Describe briefly the mechanism of Na+ reabsorption from different segments of renal tubules
5 Marks
6.Explain the functions of different types of WBC and mention the steps in phagocytosis
5 Marks
7.A 40 year old traffic policeman came to hospital with sudden difficulty in breathing. He was a chronic smoker. On examination, he has dyspnoea and his expiration was found to be prolonged. Rhonchi were heard all over the chest wall. Spirometry reveals a decrease in FEV1 and PEFR a) What is the probable diagnosis? b) What are the triggering factors for this condition? c) What will be the findings of dynamic lung flow parameters in this condition?
5 Marks
8.Describe the lung volumes and capacities with a neat labelled diagram
5 Marks
9.Explain the source and functions of any five GI hormones
5 Marks
10.Distinguish between water and osmotic diuresis. Explain the mode of action of different diuretics
5 Marks
11.Draw and explain Jugular Venous Pulse
3 Marks
12.List the difference between first and second heart sounds
3 Marks
13.Enumerate the blood picture in vit B12 and iron deficiency anemia
3 Marks
14.Explain the mechanism of fat absorption in small intestine
3 Marks
15.Explain facilitated diffusion
3 Marks
16.What is major and minor cross matching?
3 Marks
17.Explain the pharyngeal stage of deglutition
3 Marks
18.List the functions of plasma proteins
3 Marks
19.Explain the significance of Tubulo-glomerular feed back mechanism
3 Marks
20.List the factors regulating gastric emptying
3 Marks
21.Korotkoff sounds are produced due to A. Turbulence of blood flow B. Laminar blood flow C. Closure of AV valves D. Closure of semi lunar valves
1 Mark
22.Vast majority of obese individuals have increased levels of: A. Adiponectin B. Leptin C. Ghrelin D. Cortisol
1 Mark
23.T wave in ECG is produced due to A. Atrial depolarization B. Ventricular depolarization C. Atrial repolarization D. Ventricular repolarization
1 Mark
24.Normal cardiac output is A. 70 to 80 ml/min B. 5 to 6 ml/min C. 5 to 6 lit/min D. 5 to 6 dl/min
1 Mark
25.Compensating mechanisms involved at high altitude is A. Hyperventilation B. Hypoventilation C. Respiratory acidosis D. Decreased RBC count
1 Mark
26.Most osmotically active intracellular cation is A. K+ B. Na+ C. Mg+2 D. Protein
1 Mark
27.Ficks law gives the rate of transport in case of: A. Simple diffusion B. Facilitated diffusion C. Non-ionic diffusion D. Secondary active transport
1 Mark
28.Clotting time is prolonged in all conditions except: A. Haemophilia B. Thrombocytopenia C. Vitamin K deficiency D. Afibrinogenemia
1 Mark
29.The facultative reabsorption of water takes place in A. PCT B. DCT and CT C. Loop of Henle D. Bowman’s capsule
1 Mark
30.What is implied, if a drug has more renal clearance than the GFR? A. Drug is reabsorbed in the tubules B. Drug is secreted in the tubules C. Drug is excreted in bile D. Drug is neither secreted, nor reabsorbed
1 Mark

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