Q.P.Code: Reg. no.:……….
First Professional MBBS Degree Examinations, February 2013
PHYSIOLOGY PAPER 2
Time: 3 Hours Total marks:50
- Answer all questions
- Draw diagrams whenever necessary
Long essay (10)
1. A 45 year old man has come to the hospital for remarkable changes in his appearance. Physical examination: tongue is enlarged. Hands and feet are enlarged with spade like fingers and presence of hepatomegaly.
Fasting blood glucose is 150mg%. Fasting growth hormone level is 60ng/ml. Answer the following questions based on your knowledge in physiology:
- Name the probable condition and what is the cause.
- Mention the normal fasting blood glucose value.
- Which are the hormone involved in this condition and what the defect is?
- What are the other clinical features associated and mention the physiological basis and actions of hormone involved (2+1+2+5=10)
Short essays (2×5=10)
2. Describe the mechanism of action and regulation of aldosterone secretion
3. Describe connections and functions of thalamus
Answer briefly (5×3=15)
4. Stretch reflex
5. Hypo function of thyroid gland
6. Functions of sertoli cells.
7. Taste buds
8. Waves in EEG
Draw and label (2×2.5=5)
9. Visualpathway
10. Lateral spinothalamic tract
Explain the physiological basis of the following (5×2=10)
11. Trousseau’s sign.
12. Muscular sparing
13. Contraceptive pills
14. Pain in the arm during cardiac angina
15. Left internal capsule lesion produces right hemiplegia
