Date: 03-07-2010
Instructions:
RUHS
First Year MBBS Examination
I MBBS PHYSIOLOGY PAPER II

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Time: 3 hours Max Marks: 50
INSTRUCTIONS: 1. Que. No.1 and 5 in section
A and B are compulsory. Attempt ANY TWO
questions from rest of the questions in each
section. 2. Use separate answer sheet for each

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section.
Section 1
1. Explain what will happen and Why: (10)
a. A cat is exposed to Barking Dog, it's heart
rate increased (C2-932 )

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b. Why hyperventilation is associated with
Alkaline Urine (C1- 569)
c. Winter shivering helps in maintenance of
body temperature (C1- 591)
d. What is the role of plasma fibrinogen on

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ESR?

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e. What will happen of Foetal Haemoglobin
persists in body after birth? (A.75) (B.111)
(C1- 63)
2. Describe briefly (8)

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a. What is surfactant? Describe its
physiological and clinical importance.
(A.715) (B.296)(C1- 419)
b. Define Haemostasis. Describe intrinsic
and extrinsic mechanism of

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Coagulation(A.131) (8.156)(C1- 98)
3. Write short note of the following (8)
a. Functions of bile(A.252) (B.491)(C1- 245)
b. Phagocytosis(A.36) (B.126)(C1- 88)
c. Exocrine part of pancreas (C1- 233)

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4. Describe in brief: (8)
a. Significance of different waves in ECG
(C1- 295)
b. What is clearance? Write its application in
renal function test. (A.335)(8.435)(C1-

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541)

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Section 2
1. Discuss in short: (8)
a. Hyaline Membrane disease (C1- 420)
b. Periodic Breathing (C1- 456)

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c. Cushing Reflex (C1- 339)
d. Aetiological Classification of Anaemia (C1-
73)
2. Describe physiology of the following in brief
(8)

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a. Factors affecting and determinants of
Arterial Blood pressure(A.605) (B.246)(C1-
351)
b. Define Timed Vital Capacity and its
importance as Lung Function Test. (C1-

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416)
3. Explain with figure/flow chart (8)
a. Counter current Mechanism (A.329)
(8.403) (C1- 549)
b. Oxygen Dissociation Curve(A.743) (8.326)

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(C1- 434)
c. Stages of Erythropoiesis (A.70) (B.104)
(C1- 70)
d. Defecations Reflex (C1- 258)
4. Write (8)

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a. Renin Angiotensin Mechanism (A.634)
(B.261)(C1- 733)
b. Caisson's Disease (A.775) (B.362)(C1-
477)
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