Download RGUHS BNYS 2016 May 1st Year 2528 Physiology Paper II Question Paper

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I Year B.N.Y.S Degree Examination - MAY 2015

Time: Three Hours Max. Marks: 80 Marks

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PHYSIOLOGY – Paper II

QP Code: 2528

(QP contains two pages)

Your answers should be specific to the questions asked.

Draw neat, labeled diagrams wherever necessary.

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(Note - Answer Section-A and Section-B in separate answer booklets)

Section - A 10 X 1 = 10 Marks

1. All of the following hormones are secreted by adrenal cortex except

   1. Estriol
   2. Cortisol

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   3. Corticosterone
   4. Aldosterone

2. The main mode of action of sequential contraceptive pill is

   1. Preventing ovulation

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   2. Preventing embedding of fertilized ovum
   3. Preventing fertilization
   4. Causing abortion

3. The precentral gyrus in humans is located in the

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   1. Cerebellum
   2. Occipital lobe
   3. Parietal lobe
   4. Frontal lobe

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4. The generator potential

   1. Is a graded response
   2. Is not self propogated
   3. Does not exhibit on overshoot
   4. All of the above

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5. Visceral afferents are present in

   1. Vagus nerves
   2. Splanchnic nerves
   3. Dorsal roots of spinal nerves

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   4. All of the above

6. The followings are the roof nuclei of the cerebellum except

   1. Fastigius
   2. Globosus

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   3. Red nucleus
   4. Emboliformis
   5. Dentate

7. The cells of the testes which produce testosterone are

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   1. Sertoli cells
   2. Leydig cells
   3. Spermatogonia
   4. Germinal epithelium

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8. Direct control of insulin occurs through

   1. Sympathetic innervations to the pancreas
   2. Blood glucose
   3. Pituitary gland
   4. Parasympathetic nerves supplying pancreas

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9. Which of the following records of electrical activity gives a measure of eye movements?

   1. Electroretinogram
   2. Electroencephalogram
   3. Electro-oculogram

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   4. Electrocochleogram

10. Light with the longest wavelength is

    1. Violet
    2. Red

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    3. Blue
    4. Yellow

Section B 2 X 10 = 20 Marks

LONG ESSAYS (Answer any two)

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11. Describe the hormones of the anterior pituitary and explain in detail the functions and disorders of Growth hormone.
12. Describe the origin, course, termination of pyramidal tract. Add a note on Hemiplegia.
13. Describe the endometrial changes in menstrual cycle.

SHORT ESSAYS (Answer any ten) 10 X 5 = 50 Marks

14. Describe Spermatogenesis.

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15. Draw a labeled diagram of a sarcomere and indicate the different bands. Explain the role of sarcoplasmic triad.
16. Explain the functions of Parathormone.
17. Explain the steps of Neuromuscular junction transmission.
18. Describe milk ejection reflex.
19. What are traveling waves of cochlea? What is their role in hearing?

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20. Discuss extra pyramidal tracts and their function.
21. Write briefly on ovulation.
22. Write briefly on difference between Upper motor lesion and Lower motor lesion.
23. Explain the changes in eye during accommodation to near object.
24. Explain structure and types of smooth muscle.

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25. Describe olfactory pathway with neat diagram.

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