FIRST YEAR B.H.M.S. DEGREE EXAMINATION, JUNE 1999
PHYSIOLOGY AND BIOCHEMISTRY—Paper II
Time : Three Hours Maximum: 100 Marks
Answer five long questions and five short questions.
Draw diagrams wherever necessary.

Answer any five:
1.Give the composition, functions and regulation of gastric secretion.
2.Give the origin, course and termination of pyramidal tract. What are the
effects of  lesion at the level of internal capsule?
3.Name the thyroid hormones and describe their synthesis and functions.
4.What is menstrual cycle ? Describe the various changes taking place in the  ovary  and uterus during menstrual cycle with its hormonal basis.
5.Describe the digestion and absorption of lipids in the gastrointestinal tract.
6.Give the structure, source, functions and deficiency manifestations of Vitamin A.

Answer any five:
1. Gastrointestinal hormones.
2. Mass peristalsis.
3. Reflex arc.
4. Post synaptic inhibition.
5. ADH.
6. Cushing’s syndrome.
7. Co-enzymes.