The Pituitary Gland

Q.

What are some major inhibiting and releasing hormones?

Q.

Which of the following glands does the GnRH stimulate?

1. Posterior pituitary gland and stimulates the secretion of prolactin and oxytocin

2. Anterior pituitary gland and stimulates the secretion of LH and oxytocin

3. Anterior pituitary gland and stimulates the secretion of LH and FSH

4. Posterior pituitary gland and stimulates the secretion of prolactin and relaxin

Q.

What gland stimulates development of the ovarian follicle?

Q.

The heavy drinkers are often dehydrated due to :

1. lack of metabolism

2. hyposecretion of ADH

3. hypersecretion of ADH

4. high rate of metabolism

Q.

Name the hormone secreted by the pars intermedia.

Q.

Give the functions of each of the following:

ACTH (Adrenocorticotropic hormone):

Q.

Continuous secretion of milk is maintained by

1. Prolactin

2. Estrogen

3. Progestrone

4. Aldosterone

Q. Melanin protect from:

1. UV rays
2. Visible rays
3. Infrared rays
4. X-rays

Q. Neurohypophysis receives, stores and releases the hypothalamic hormones transported through the neurohypophyseal tract(bundle of nerves).

1. False
2. True

Q. The pituitary is the master gland that controls the activity of other endocrine glands by secreting tropic hormones. Choose the endocrine gland which functions independent of the pituitary.

1. Thyroid
2. Gonads
   
3. Adrenals
   
4. Parathyroid

Q. Oxytocin and ADH are produced by the ___ and stored in the ___.

1. Hypothalamus; neurohypophysis
2. Adrenal cortex; adrenal medulla
3. Anterior pituitary; posterior pituitary
4. Anterior pituitary; thyroid

Q. Which hormone stimulates the synthesis and secretion of glucocorticoids?

1. ACTH
2. MSH
3. Triiodothyronine
4. TSH

Q.

Estrogen secretion is controlled by

1. FSH

2. LH

3. Progestrone

4. hCG

Q. Female cockroach can be identified from the male cockroach by the

1. presence of anal cerci
2. absence of caudal styles
3. long antennae
4. number of segments in the abdomen

Q. Mainly which hormones control menstral cycle in human beings:

1. FSH
2. LH
3. FSH, LH, Estrogen
4. Progesterone

Q.

The hormones secreted by anterior lobe of pituitary to regulate gonads is

1. Testosterone

2. Gonadotropic

3. Estrogen

4. Progesterone

Q. Which of the following statements regarding pituitary hormones is correct?

1. Prolactin stimulates milk ejection from the mammary glands
2. ACTH stimulates the synthesis and secretion of glucocorticoids from the adrenal medulla
3. LH and FSH are called gonadotropins
4. MSH regulates the diurnal rhythm of the body

Q. The secretion of TSH is directly controlled by:
(i) TRH
(ii) $T_3$
(iii) $T_4$

1. i and ii
2. ii and iii
3. i and iii
4. i, ii, and iii

Q.

Which of the following hormone is not produced by the pituitary gland?

1. Somatotropic hormone

2. Prolactin

3. Oxytocin

4. Adrenocorticotropic hormone

Q.

The pituitary gland is located at a specific part of the brain called _____.

1. Sella turcica

2. Prosencephalon

3. Mesencephalon

4. Rhombencephalon

Q.

Accidental pituitary stalk damage will cause all except

1. Diabetes mellitus

2. Diabetes insipidus

3. Hypothyroidism

4. Adddison’s disease

Q. Sertoli cells are regulated by the pituitary hormone known as:

1. FSH
2. GH
3. Prolactin
4. LH

Q.

Hypersecretion of somatotropin by the pituitary gland results in

1. Dwarfism

2. Gigantism

3. Cretinism

4. Myxoedema

Q.

Which of the following hormones is NOT found in the secretions of human placenta?

1. Estrogen

2. Progesterone

3. Human chorionic gonadotropin

4. Prolactin

Q. Match the source gland with its respective hormone as well as the function.

1. Source gland-Thyroid;
   Hormone-Thyroxine;
   Function-Regulates blood calcium level
2. Source gland-Anterior;
   Hormone-Oxytocin;
   Function-Contraction of uterus muscles during childbirth
3. Source gland-Posterior pituitary;
   Hormone-Vasopressin;
   Function-Stimulates resorption of water in the distal tubules in the nephron
4. Source gland-Corpus luteum;
   Hormone-Estrogen;
   Function-Supports Pregnancy