Chapter 19 Solutions — Chemical Coordination and Integration

Exercises

1. 1.
   Define the following:

   • (a) Exocrine gland
   • (b) Endocrine gland
   • (c) Hormone
2. 2.
   Diagrammatically indicate the location of the various endocrine glands in our body.
3. 3.
   List the hormones secreted by the following:

   • (a) Hypothalamus
   • (b) Pituitary
   • (c) Thyroid
   • (d) Parathyroid
   • (e) Adrenal
   • (f) Pancreas
   • (g) Testis
   • (h) Ovary
   • (i) Thymus
   • (j) Atrium
   • (k) Kidney
   • (l) G-I Tract
4. 4.
   Fill in the blanks: Hormones — Target gland

   • (a) Hypothalamic hormones — __________
   • (b) Thyrotrophin (TSH) — __________
   • (c) Corticotrophin (ACTH) — __________
   • (d) Gonadotrophins (LH, FSH) — __________
   • (e) Melanotrophin (MSH) — __________
5. 5.
   Write short notes on the functions of the following hormones:

   • (a) Parathyroid hormone (PTH)
   • (b) Thyroid hormones
   • (c) Thymosins
   • (d) Androgens
   • (e) Estrogens
   • (f) Insulin and Glucagon
6. 6.
   Give example(s) of:

   • (a) Hyperglycemic hormone and hypoglycemic hormone
   • (b) Hypercalcemic hormone
   • (c) Gonadotrophic hormones
   • (d) Progestational hormone
   • (e) Blood pressure lowering hormone
   • (f) Androgens and estrogens
7. 7.
   Which hormonal deficiency is responsible for the following:

   • (a) Diabetes mellitus
   • (b) Goitre
   • (c) Cretinism
8. 8.
   Briefly mention the mechanism of action of FSH.
9. 9.
   Match the following: Column I — Column II

   • (a) T4 —
   • (i) Hypothalamus
   • (b) PTH —
   • (ii) Thyroid
   • (c) GnRH —
   • (iii) Pituitary
   • (d) LH —
   • (iv) Parathyroid