Download MBBS TMU 1st Year 2017 MBS102A Physiology I Question Paper

MBBS I (First) Professional Examination 2016-17

Course Code: MBS102

Paper ID: 0322205

Physiology -I

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Time: 2 Hours 40 Minutes

Max Marks: 40

Note: Attempt all questions. Draw proper diagrams to support your answer.

Part 'B'

1. Explain the following: (5x2=10)

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   1. Baroreceptor mechanism
   2. Counter current mechanism

2. Write in brief: (2.5x4=10)

   1. Oxygen dissociation curve

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   2. T lymphocyte
   3. Saltatory conduction
   4. Normal E.C.G.

3. Discuss into following: (5x2=10)

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   1. Prevention of intravascular clotting
   2. Mechanism of skeletal muscle contraction

4. Describe the following: (5x2=10)

   1. Functions of liver

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   2. Hypoxia

Roll No.

MBBS I (First) Professional Examination 2016-17

Student's Signature

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Course Code:MBS102

Physiology - I

Part 'A'

Time: 20 Minutes

Student's Name

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Invigilator's Signature

Paper ID: 0322205

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.

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3. For answering please use Ball- pen only.

1. Q.1
2. Q.2 Which of the following plasma protein is not synthesized in liver:
   1. Albumin
   2. Fibrinogen
   3. Prothrombin

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   4. Immunoglobulin
3. Q.3 Erythroblastosis fetalis has the features of:
   1. Anemia
   2. Jaundice
   3. Kernicterus

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   4. All of the above
4. Q.4. Which clotting factor has not been discovered so far:
   1. Factor III
   2. Factor IV
   3. Factor V

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   4. Factor VI
5. Q.5 Normal P-R interval is:
   1. 0.1 second
   2. 0.2 second
   3. 0.16 second

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   4. 0.24 second
6. Q.6 Size of potential in the augmented leads is increased by:
   1. 25%
   2. 50%
   3. 75%

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   4. None
7. Q.7 Cardiac muscle is except:
   1. Striated muscle
   2. Involuntary in nature
   3. Supplied by somatic nerves

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   4. Supplied by autonomic nerves
8. Q.8 Concentration of a gas in a solution is directly proportional to its partial pressure is known as:
   1. Charle's law
   2. Henry's law
   3. Boyle's law

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   4. Avogadro's hypothesis
9. Q.10 Lungs act as a reservoir for blood and holds
   1. 2-5% of total blood volume
   2. 9-11% of total blood volume
   3. 15-20% of total blood volume

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   4. Insignificant blood volume
10. Q.11 At higher altitude there is:
    1. Decrease in pO2
    2. Decrease in concentration of oxygen
    3. Both a & b are correct

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    4. None of the above
11. Q.12 Net filtration pressure in glomerular capillaries is:
    1. 10 mmHg
    2. 20 mmHg
    3. 30 mmHg

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    4. 40 mmHg
12. Q.13 Fraction of glomerular filtrate reabsorbed in proximal tubule is:
    1. 35%
    2. 65%
    3. 85%

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    4. None of the above
13. Q.14 Gastric acid secretion is inhibited :
    1. Somatostatin
    2. G.I.P.
    3. Enterogastric reflex I

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    4. All of the above
14. Q.15 Platue phase of action potential is found in:
    1. S. A. node
    2. Atrial muscle fiber
    3. Ventricular muscle fiber

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    4. Skeletal muscle fiber
15. Q.16 Largest fluid compartment of body is:
    1. Intracellular fluid
    2. Extracellular fluid
    3. Plasma

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    4. Blood
16. Q.17 Main buffers in tubular fluid is:
    1. Bicarbonates
    2. Proteins
    3. Phosphates

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    4. All of the above
17. Q.18 Normal heart with maximum sympathetic stimulation can increase cardiac output up to:
    1. 10 L
    2. 15 L
    3. 20 L

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    4. 25 L
18. Q.19 P wave of ECG is caused by depolarization of:
    1. Atria
    2. A-V septum
    3. Ventricle

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    4. Purkinje fibres
19. Q.20 Na+ - K+ pump is inhibited by:
    1. Digitalis
    2. Ouabin
    3. Both a & b are correct

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    4. None of the above