Download MBBS TMU 1st Year 2018 MBS102 Physiology I Question Paper

MBBS I (First) Professional Examination 2017-18

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. Discuss the following:

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   (5x2=10)

   1. Short term regulation of blood pressure
   2. Digestion and absorption of fats

2. Describe in brief:

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   (5x2=10)

   1. Excitation contraction coupling in skeletal muscle
   2. Erythroblastosis fetalis

3. Write in brief:

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   (5x2=10)

   1. Surfactant
   2. Structure of nephron

4. Describe the process of erythropoiesis. Enumerate the factors affecting it.

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   (10)

Roll No.

MBBS I (First) Professional Examination 2017-18

Course Code:MBS102

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Physiology - I

Part 'A'

Time: 20 Minutes

Max Marks: 10

Student's Name

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Invigilator's Signature

Paper ID: 0322205

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.

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1. Power house in the cell is:

   1. Endoplasmic reticulum
   2. Golgi apparatus
   3. Nucleus
   4. Mitochondria

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2. Glucose is transported across the intestinal mucosa by:

   1. Simple diffusion
   2. Facilitated diffusion
   3. Active transport

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   4. Co- transport

3. When compared to ECF, the ICF has

   1. High sodium concentration
   2. Low potassium concentration

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   3. Equal chloride concentration
   4. High protein concentration

4. Pernicious anemia is an example of:

   1. Hypochromic anemia

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   2. Nutritional anemia
   3. Hemolytic anemia
   4. Hemorragic anemia

5. The first step during hemostasis is:

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   1. Platelet plug formation
   2. Clot formation
   3. Vasoconstriction
   4. None of the above

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6. The form of hemoglobin that has CO2 attached to it is called as:

   1. Deoxyhemoglobin
   2. Carboxyhemoglobin
   3. Carbaminohemoglobin
   4. Reduced hemoglobin

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7. Which of the blood vessel has maximum compliance:

   1. Arteries
   2. Veins
   3. Arterioles

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   4. Capillaries

8. Pulmonary artery carries deoxygenated blood from:

   1. Right atrium
   2. Left atrium

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   3. Right ventricle
   4. Left ventricle

9. If radius of blood vessel is decreased to half, blood flow will change to:

   1. 1/2

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   2. 1/4
   3. 1/8
   4. 1/16

10. To allow atrial contraction prior to ventricular contraction, cardiac impulse is held up at:

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    1. S.A. Node
    2. A.V. Node
    3. Bundle of His
    4. Purkinje fibers

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11. Resistance vessels are:

    1. Capillaries
    2. Veins
    3. Arterioles
    4. Arteries

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12. Plateau in the action potential is seen in:

    1. Nerve
    2. Muscle fiber
    3. S.A. Node

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    4. None of the above

13. Inspired air is warmed, moistened and cleaned in all except:

    1. Trachea
    2. Larynx

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    3. Nose
    4. Alveoli

14. One of the following statements is TRUE for alveolar ventilation:

    1. More than pulmonary ventilation

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    2. Same as pulmonary ventilation.
    3. Less than pulmonary ventilation
    4. Is a product of tidal volume and respiratory rate

15. All of the following are TRUE for intra pleural pressure EXCEPT:

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    1. It is a negative pressure
    2. Becomes more negative during inspiration
    3. Becomes positive during inspiration
    4. Prevents collapsing of lungs

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16. Pancreatic juice rich in bicarbonates is because of:

    1. Cholecystokinin
    2. Pancreozymin
    3. Secretin
    4. Gastrin

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17. In infants, defecation following a meal is caused by:

    1. Gastroileal reflex
    2. Gastro colic reflex
    3. Enterogastric reflex

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    4. Peristalsis

18. Majority of the water and salts reabsorption occurs in:

    1. Proximal tubule
    2. Distal tubule

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    3. Loop of Henle
    4. Collecting tubule

19. Major source of NH3 in kidney is:

    1. Glycine

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    2. Glutamate
    3. Uric acid
    4. None of the above

20. Transport maximum for glucose is closest to:

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    1. 100 mg
    2. 180 mg
    3. 250 mg
    4. 325 mg

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