Chapter 22 : Chemical Coordination and Integration

Explain the mechanism of hormone action.

A patient was complaining of frequent urination, excursive thirst, hunger and
tiredness. His fasting glucose level was found higher than 130 mg / dL an two
occasions :
(i) Name the disease
(ii) Give the root cause of this disease
(iii) Explain why the blood glucose level is higher than 130 mg / dL.

Differentiate between vitamin, hormone & enzyme.

Name the gland that functions as a biological clock in our body where it is
located? Name its one secretion.

What is corpus luteum? How does it function as a endocrine gland?

In general, how steroid hormones do effects changes in their target cells.

Name one mineralocorticoid.

Name the gland which secrets vasopressin.

What is the function of Leydeig’s cells?

Explain the Hormones of adrenal gland and their action on target tissue in a
tabular from.

Name the T₃ and T₄ components of thyroid hormone. Explain their specific

function.

Differentiate between exocrine, endocrine & heterocrine glands.

Explain the hormones of kidney and GI tract.

What is the function of pineal gland?

What usually can cause over secretion of parathormone in human body? List
any two effects on the body because of this hormone.

Name the hormone secreted from outermost cellular layer of adrenal cortex?

Name the hormones of fight or flight.

Distinguish between diabetes mellitus and diabetes insipidus.

Name the hormone that regulates each of the following and mention the
source of it.
1) urinary elimination of water.
2) storage of glucose as glycogen.
3) Na+ and K+ metabolism.
4) Basal metabolic rate
5) Descent of testes iota scrotum

Write full form of ADH and describe how it affects the functioning of kidney
tubules.

Describe the physiological functions & disorders of thyroid gland.

Why oxytocin is called as ‘birth hormone’?

Differentiate hormone & neurohormone?

What are gonadotropics?

Differentiate hormone & neurohormone?

Which gland secrete glucagon?

Name the gland of emergency.

What are hormones.

Match the following:
Column I                                                              Column II
(a) T4                                                                  (i) Hypothalamus
(b) PTH                                                                (ii) Thyroid
(c) GnRH                                                              (iii) Pituitary
(d) LH                                                                  (iv) Parathyroid

Briefly mention the mechanism of action of FSH.

Which hormonal deficiency is responsible for the following: (a) Diabetes mellitus (b) Goitre (c) Cretinism

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

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

Fill in the blanks: Hormones Target gland

(a) Hypothalamic hormones __________________

(b) Thyrotrophin (TSH) __________________

(c) Corticotrophin (ACTH) __________________

(d) Gonadotrophins (LH, FSH) __________________

(e) Melanotrophin (MSH) __________________

List the hormones secreted by the following: (a) Hypothalamus

(b) Pituitary

(c) Thyroid

(d) Parathyroid

(e) Adrena

l (f) Pancreas

(g) Testis

(h) Ovary

(i) Thymus

(j) Atrium

(k) Kidney

(l) G-I Tract

Diagrammatically indicate the location of the various endocrine glands in our body.

Define the following: (a) Exocrine gland (b) Endocrine gland (c) Hormone