Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Cushing reflex wikipedia , lookup
Glucose meter wikipedia , lookup
Exercise physiology wikipedia , lookup
Intracranial pressure wikipedia , lookup
Circulatory system wikipedia , lookup
Renal function wikipedia , lookup
Biofluid dynamics wikipedia , lookup
Blood pressure wikipedia , lookup
Haemodynamic response wikipedia , lookup
Hemodynamics wikipedia , lookup
Blood pressure measurement wikipedia , lookup
Cardiac output wikipedia , lookup
MBBS I (First) Professional Examination 2012-13 Course Code:MBS102 Paper ID:0322128 Physiology -I Time: 2 Hours 40 Minutes Max Marks: 40 Note: Attempt all questions. Draw proper diagrams to support your answer. Part ‘B’ 1. a) b) Describe the mechanism of peristalsis. (5) Describe the mechanism of secretion of HCl in stomach. (5) 2. Define blood pressure. Discuss the role of rennin angiotension system in regulation of blood pressure. (10) 3. Define GFR and its determinants. Describe the renal function test to determine GFR. (10) 4. a) b) c) d) Write short notes on: (2.5x4=10) Counter current exchange mechanism Renal tubular transport maximum for glucose. Facilitated diffusion. Hypoxic hypoxia. MBBS I (First) Professional Examination 2012-13 Roll No. Student’s Name Student’s Signature Invigilator’s Signature Course Code:MBS102 Paper ID:0322128 Physiology - I Part ‘A’ Time: 20 Minutes Max Marks: 10 Note: 1. Attempt all questions and return this part of the question paper to the invigilator after 20 Minutes. 2. Please tick (√) correct one only. Cutting, overwriting or any other marking are not allowed. 3. For answering please use Ball- pen only. Q.1 Cell membrane: a) Formed entirely of protein molecules b) Is impermeable to fat soluble molecules c) Permit transport of glucose at faster rate in some tissues in presence of insulin d) Is not changed throughout life Q.2 Action of plasmin is: a) To remove calcium b) Antithrombin action c) To stimulate heparin d) To degenerate fibrin Q.3 First heart sound during the period of: a) Isometric relaxation b) Isotonic relaxation c) Isovolumetric contraction d) Isovolumetric relaxation Q.4. Q.5 Q.6 a) b) c) d) Q.7 An example of co transport is: a. Na-K pump b. Ca pump c. Na glucose transport d. Na-H transport Q.8 “Milieu interior” term was coined by: a) Caude Bernard b) Boyle c) Laplace d) Landstenier Q.9 The number of O2 molecules carried by each molecule of hemoglobin is: a) 6 b) 4 c) 8 d) 2 Q.10 Which is the most rare blood group?: a) A Rh+ b) B Rh+ c) AB Rh d AB Rh- Q.11 Which of these vessels does not have sympathetic control?: a) Cardiac b) Splancnic c) Cutaneous d) Cerebral Q.12 Marry’s law denotes the relationship between heart and: a) Contractility and conductivity PTO The normal value of FEV1 is: a) 80% b) 95% c) 65% d) 50% Which of the following has highest pH?: a) Saliva b) Gastric juice c) Pancreatic secretion d) Bile in gall bladder Tubular reabsorption in kidneys: Includes only passive transport Is linked to ATP synthesis Occurs by pinocytosis for Na and K Is highly selective process b) c) d) Rate and contractility Rate and blood pressure Contractility and blood pressure Q.13 Which of the following discharges spontaneously during quiet breathing?: a) Dorsal respiratory group of neurons b) Ventral respiratory group of neurons c) Strech receptors of lung d) Moter neurons in respiratory muscles Q.14 The intrapleural pressure at the end of deep inspiration is: a) +4 mm of Hg b) -6 mm of Hg c) -4 mm of Hg d) +6 mm of Hg Q.15 All are GI hormones Except: a) Gastrin b) VIP c) Secretin d) Erythropoetin Q.16 Iron is absorbed in: a) Duodenum b) Stomach c) Jejunum d) Ileum Q.17 The thick ascending segment of loop of Henle is: a) Highly permeable to water b) Impermeable to water c) Impermeable to solutes d) Is highly convoluted Q.18 GFR is normally: a) 80% of renal plasma flow b) Increased by increasing glomerular colloid osmotic pressure. c) Decreased with increased glomerular hydrostatic pressure d) Decreased by increasing Bowman’s capsule hydrostatic pressure Q.19 In a blood sample hematocrit was found 45% by the pathologist. It means: a) 45% hemoglobin is in plasma b) 45% of total blood volume is made up of plasma c) 45% of total blood volume is made up of RBC and WBC d) 45% of Hemoglobin is in RBC Q.20 Renal fraction is determined by: a) Cardiac output and renal blood flow b) Cardiac output and GFR c) GFR and renal blood flow d) GFR and renal plasma flow