KUHS First Professional MBBS Degree Examination 1401 September 2011 PHYSIOLOGY PAPER II Question Paper

1401 September 2011 PHYSIOLOGY PAPER II

QP Code 1401 Reg. No.:???????
First Professional MBBS Degree Examinations – September 2011
PHYSIOLOGY – PAPER II
Time : 3 hrs Max marks : 50
? Answer all questions
? Draw diagrams wherever necessary
Long essay (10)1. 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)Short Essay:
(2×5=10)2. Describe the endometrial changes during a normal menstrual cycle and its
hormonal regulation.
3. List any four functions of hypothalamus and explain any one
Write briefly on: (5×3=15)4. Milk ejection reflex
5. Disynaptic reflex.
6. Mechanism of action of steroid hormones.
7. Decerebrate rigidity
8. Functions of vestibular apparatus

Draw and label:
(2×2?=5)9. Cortico spinal tract
10. Auditory pathway

Explain the physiological basis of the following:
(5×2=10)11. Exophthalmos is a clinical feature of thyroid dysfunction
12. Sertoli cells are important in spermatogenesis
13. Calcium plays a major role in skeletal muscle relaxation
14. Near point of vision recedes rapidly with advancing age
15. Parathyroidectomy leads to signs of neuromuscular hyperexitability
***************