B.Sc Hons Physiology Sem-5 CC-12 Calcutta University Exam Question Paper

B.Sc Hons Physiology Sem-5 CC-12 Calcutta University Exam Question Paper

2020
PHYSIOLOGY — HONOURS
Paper : CC-12
Full Marks: 50
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.

  1. Answer any five questions from the following : 2×5
    (a) What do you mean by short-loop feedback inhibition? Give one example.
    (b) What do you mean by pseudohypoparathyroidism?
    (c) Name the enzymes involved in conversion of serotonin to melatonin.
    (d) What is Wolff–Chaikoff effect?
    (e) Name the different zones of adrenal gland.
    (f) State two characteristic features of gastrointestinal endocrine cells.
    (g) Differentiate between acromegaly and gigantism.
    (h) What are somatomedins?
  2. Answer any two questions from the following : 5×2
    (a) Discuss the characteristics of any one steroid hormone mentioning its synthesis, location of receptor
    and cellular response.
    (b) Mention the diseases developed in hypo and hyperactive state of adrenal gland.
    (c) Describe the role of ADH in osmoregulation.
    (d) Describe the endocrine function of heart.
    (e) What do you mean by primary and secondary aldosteronism?
  3. Answer any three questions from the following :
    (a) Describe the steps of thyroid hormone biosynthesis with diagram. Briefly describe the peripheral
    transport of thyroid hormone. What is the physiological significance of peripheral conversion
    of thyroxine to triiodothyronine? (4+2)+2+2
    (b) Describe the hormonal regulation of calcium and phosphorus homeostasis. 10
    (c) Describe the endocrine regulation of glucose homeostasis. State one function of each— somatostatin
    and pancreatic polypeptide. 8+(1+1)
    (d) Describe the function and regulation of aldosterone. How the secretion of adrenal medullary
    hormones is regulated? Name the diseases related to adrenal hypofunctions. 2+3+3+2
    (e) Describe the functions of— gastrin, CCK-PZ and VIP. 4+4+2

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