QP Code 1401 Reg. No.:........
First Professional MBBS Degree Examinations - September 2011
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PHYSIOLOGY - PAPER II
Time: 3 hrs Max marks: 50
- Answer all questions
- Draw diagrams wherever necessary
Long essay (10)
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- A 50 yrs old male comes with the history of difficulty to walk. On examination there is rigidity and resting tremors. His gait is abnormal.
- What is your diagnosis.
- How do you describe this rigidity and the resting tremor and explain their physiological basis.
- Name the parts of the brain involved.
- Describe the important functional connections. (1+3+2+4=10)
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Short Essay: (2x5=10)
- Describe the endometrial changes during a normal menstrual cycle and its hormonal regulation.
- List any four functions of hypothalamus and explain any one (5x3=15)
Write briefly on:
- Milk ejection reflex
- Disynaptic reflex.
- Mechanism of action of steroid hormones.
- Decerebrate rigidity
- Functions of vestibular apparatus
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Draw and label: (2x2½=5)
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- Cortico spinal tract
- Auditory pathway
Explain the physiological basis of the following: (5x2=10)
- Exophthalmos is a clinical feature of thyroid dysfunction
- Sertoli cells are important in spermatogenesis
- Calcium plays a major role in skeletal muscle relaxation
- Near point of vision recedes rapidly with advancing age
- Parathyroidectomy leads to signs of neuromuscular hyperexitability
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