Download SSUHS MBBS First Year Physiology Paper II 2019 June Question Paper

SS/MBBS/PHY-II/6-19
First Professional MBBS Examination
2019
(June)
PHYSIOLOGY

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Paper-II
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. Enumerate the features of upper and lower motor neuron lesion. What is

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Brown-Sequard syndrome and its important changes? What is Babinski's sign?
[ 4 + 4 + 2 = 10]
Or
Name the ascending tracts of spinal cord. Trace the pain pathway from
periphery to centre. What is gate control theory of pain? [ 3 + 5 + 2 = 10]

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2. Write short notes on any three of the following :
(a) Synaptic inhibition
(b) Aphasia
(c) Layers of cerebral cortex
(d) Tetany

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3. Write the difference between any three of the following :
(a) EPSP and IPSP
(b) Primary memory and Secondary memory
(c) Isotonic contraction and Isometric contraction
(d) Decerebrate rigidity and Decorticate rigidity

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SECOND HALF
4. Classify the hormones. Explain briefly the mechanism of action of hormone
with example. What is gigantism? [ 2+6+2=10]
Or
Name the photoreceptors. Trace the visual pathway with diagram. What is

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physiological scotoma? [ 2+6+2=10]
5. Explain physiological bases of the following : 3?2=6
(a) Exophthalmos is seen in Graves' disease
(b) Hypermetropia is corrected by convex lens
6. Write briefly on any three of the following : 3?3=9

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(a) LH surge
(b) Addison's disease
(c) Cerebrospinal fluid
(d) Milk ejection reflex
* * *

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