Download SSUHS MBBS First Year Physiology Paper I 2018 June Question Paper

SS/MBBS/PHY-I/6-18
First Professional MBBS Examination
2018
(June)
PHYSIOLOGY

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Paper-I
Full Marks: 50
Time: 2 hours
The figures in the margin indicate
full marks for the questions

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Write the answers to the two Halves in separate books
Answer all questions

FIRST HALF
1. What is hemostasis? Describe the intrinsic mechanism of coagulation of

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blood. What is purpura? [ 2 + 6 + 2 = 10 ]
Or
What is cardiac output? Describe the factors regulating cardiac output.
[ 2 + 8 = 10 ]
2. Give the physiological basis (any three) of the following : [3x3 = 9]

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(a) Prolonged quite standing results in fall of blood pressure, dizziness and
fainting
(b) Hyperventilation is associated with alkaline urine
(c) Erythroblastosis foetalis
(d) There is oedema in hypoproteinaemia

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3. Write briefly on (any two) : [3x2 = 6]

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(a) Vital capacity
(b) Eosinophil
(c) Peristalsis
SECOND HALF

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4. Describe how oxygen is transported in the body with special mention to
oxyhemoglobin dissociation curve. What is hypoxia? [8 + 2 = 10]
Or
What are the secretions of the glands of gastric mucosa? Describe the cellular
mechanism of gastric hydrochloric acid secretions. What is post-prandial

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alkaline tide? [2 + 6 + 2 = 10]
5. Write short notes on (any three) : 3x3=9
a) Cyanosis
b) SA node
c) Buffer nerve

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d) CCK-PZ
6. Write the difference between the following (any two): 3x2=6
a) Cortical nephrons and juxtamedullary nephrons
b) Bronchial breath sound and vesicular breath sound
c) Simple diffusion and facilitated diffusion

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