First Year MBBS Examination
Date: 01-10-2021
1020 E413
I MBBS Physiology Paper 1
Time: 3 hours

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Max
Marks: 50
Instructions: 1. Answer to the points. 2. Use
separate answer books for each section. 3. Draw
diagrams wherever necessary.

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Section 1
1. Explain what will happen and why? (10)
a. If acetylcholinesterase is blocked in
neuromuscular junction.
b. When warm water is put in left ear

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c. To plantar reflex in upper motor neuron lesion.
d. To the left eye when light is projected in right
eye.
e. To interstitial fluid volume in Filariasis.
2. Describe: (8)

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a. Connections and function of basal ganglia

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b. Dark adaptation
3. Explain with help of diagram: (8)
a. Ovarian cycle
b. Pain pathway

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4. Write notes on following (8)
a. Impedance matching
b. Ovulation
Section 2
5. Mention differences between (any two) (8)

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a. Diabetes mellitus and diabetes insipidus.
b. Pyramidal and extrapyramidal system.
c. Rheobase and chronaxie.
6. Draw labeled diagram of the following (any two)
(8)

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a. Light reflex pathway
b. Mechanism of action of hormones
c. Organ of corti
7. Describe : (6)
a. Actions of parathyroid hormone

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b. Somatomedin C

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8. Write short notes on: (4)
a. Actions of estrogens
b. Addison's syndrome.

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Document Outline

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