Download MPMSU 1st Year MBBS 2022 December Physiology (New Scheme) I Question Paper

Time: 3:00 Hours

Maximum Marks :100

Instructions:

1. All questions are compulsory
2. Draw diagrams wherever necessary

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3. Answers of Questions and Sub questions must be written strictly according to the serial order of question paper.
4. MCQ has to be answered in theory answer book
5. Please write MCQ answer neatly and in serial order with black or blue pen in brackets for example:- 1. (a) 2. (b)
6. MCQ has to be answered only once, any kind for repetition or cutting or erasing or whitener will be consider as malpractice. Such answers will not be counted in the marks and action will be taken according to UFM rules of University
7. Subjective Answer should be answered in up to 30 words per marks. For example, if a question having 2 marks answer should be answered in up to 60 words.

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Q.1 Total MCQs : 10 10x1=10

1. Gap junctions are present in one of the following tissues:
   1. Neurons
   2. Cardiac Muscle
   3. Epithelial tissue
   4. Skeletal muscle

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2. Resting membrane potential develops mainly due to
   1. Na+ efflux
   2. Cl influx
   3. Ca++ influx
   4. K+ efflux

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3. Conjugated bilirubin is excreted by hepatic cells into bile canaliculi as:
   1. Exocytosis
   2. Diffusion
   3. An active process
   4. Carrier mediated process

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4. Anticoagulant used in the blood bank to keep blood in fluid state:
   1. EDTA
   2. Heparin
   3. Citrate phosphate dextrose
   4. Sodium oxalate

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5. Complements have all the following functions; except:
   1. Opsonization
   2. Phagocytosis
   3. Cytolysis
   4. Chemotaxis

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6. Tall "T" waves of ECG are associated with:
   1. hypernatremia
   2. Hyperkalemia
   3. Hyponatremia
   4. Hypokalemia

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7. Antibodies which can easily cross placenta:
   1. IgE
   2. IgG
   3. IgA
   4. IgM

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8. Normal intrapleural pressure is:
   1. 5 mm Hg
   2. -10 mmHg
   3. -5 mmHg
   4. -2.5 mmHg

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9. Diluting segment(s) of the nephron is:
   1. Descending limb of Loop of Henle
   2. Collecting ducts
   3. Early DCT and thick ascending limb of Loop of Henle
   4. Ascending limb of Loop of Henle

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10. One of the following is not the function of gall bladder:
    1. Absorption of HCO3
    2. Secretion of bile salts
    3. Storage of bile
    4. Absorption of water

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Q.2 Long Answer Questions 2X20=40

1. Draw a detailed and labeled diagram of events in cardiac cycle. Explain each event.
2. Define hypoxia. Classify hypoxia and discuss the cause of the same. Add a note on oxygen therapy in hypoxia.

Q.3 Brief Answer Questions 6X05=30

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1. Draw a labelled diagram of strength-duration curve. Explain chronaxie, rheobase and utilization time.
2. Hazards of mismatched transfusion
3. Hemorrhagic shock and its stages
4. Cell medicated Immunity
5. Deglutition

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6. Micturition reflex

Q.4 Short Answer Questions 10X02=20

1. Hering -Breuer reflex
2. Positive feedback machanism
3. P50 in Oxygen-Hemoglobin dissociation curve

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4. Transport maximum for glucose
5. What is the formula to determine GFR in Intuïn Renal Clearance Test?
6. Draw a labelled diagram of cardiac muscle action potential.
7. Molecular motors
8. Juxtaglomerular apparatus

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9. Haldane effect
10. Ejection fraction

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