Chemical coordination and integration practice · Mixed difficulty

Largest endocrine gland is

All of the following are associated with catecholamines except

Adrenal gland is present at the

Androgen regulates the development, maturation and functions of all in males, except

Pineal gland secretes which hormones;  I. Serotonin, II. ACTH,  III. MSH,  IV. PRL,  V. Melatonin , VI. FSH.  The correct option is

S-I: Thyroid hormones maintain normal body temperature.

S-II: Thyroid hormones stimulate the use of cellular oxygen to produce ATP. As cell produce and use more ATP, more heat is given off.

Read the following statements:
Assertion (A): Acromegaly may lead to serious complications, and premature death if unchecked.
Reason (R): ACTH stimulates the synthesis and secretion of steroid hormones called glucocorticoids from the adrenal cortex.

‘ANF’ is a hormone, which

The thyroid gland is composed of

Assertion (A): In old persons, there is gradually weakening of immune system.

Reason (R): It is because of degeneration of thymus gland.

Choose the option which contains only incorrect statements.
a. Goitre may be caused by iodine deficiency in the diet.
b. Target gland of PRL is corpus luteum.
c. Oxytocin causes ejection of milk from mammary gland.
d. $A D H$ maintains the 24-hour diurnal rhythm of the body.
e. The major role of thymus is the development of emergency hormones.

Which of the following vitamins has some physiological effects similar to those of parathormone?

Due to deficiency of which hormone, bones becomes weak in female?

The estrogen is synthesised and secreted mainly by growing …A… . After ovulation the ruptured follicle is converted to a structure called …B… which secretes …C… . Choose the correct option for A, B and C

Which hormone acts on the exocrine part of pancreas and stimulates secretion of water and bicarbonate ions?

The secretin promotes the release of

I. Non-nutrient,  II. Intercellular messenger,  III. Produced in trace amount,  IV. Intracellular messenger.  Select the correct properties of hormones from above list and then choose the option correct combination

Assertion (A): GnRH stimulates the pituitary synthesis and release of gonadotropins.

Reason (R): Hypothalamic hormones regulate the synthesis and secretion of pituitary hormones.

S-I: Neurons and muscles depolarize spontaneously due to hypoparathyroidism.

S-II: Hypoparathyroidism increases ${Ca}_2{ }^{+}$level in the blood.

Which of the following hormones are actually synthesised by the hypothalamus and are transported axonally to neurohypophysis?

Assertion: Enlargement of thyroid gland is known as goitre.

Reason: Goitre occurs due to the deficiency of iodine only.

Hormones released by the neurosecretory cells in hypothalamus regulate the …A… gland. Mainly the neurosecretory hormones are of B… type
Here A and B refers to

An endocrine gland 'P' secretes a hormone 'R' which acts on another endocrine gland 'S' to stimulate the secretion of steroidal hormone 'T'. Identify the P, R, S and T.

Which one of the following is incorrectly matched?

Insulin is

Consider the following statements w.r.t. endocrine system and choose the correct option.
a. A is released from hypothalamus, which inhibits the release of growth hormone from pituitary gland.
b. Pars intermedia secretes only one hormone called B.

Which of the following is not true for hormones?

Damage to thymus in a child may lead to

Select the odd one with respect to the chemical nature of a hormone?

Chemically hormones are