Endocrine system

Question 1

Function of endocrine system?

Answer 1

In charge of body processes that happen slowly eg cell development, digestion, excretion, sexual activity.

Question 2

Function of endocrine gland?

Answer 2

Produce hormones and release them into blood stream to be carried around the body.

Question 3

What is a hormone and where do they go?

Answer 3

A chemical messenger they are specific will only go to target.

Question 4

Which gland controls the system and where is it located?

Answer 4

Hypothlamus. In the brain has has effect on many of the body’s functions.

Question 5

Function and location of pituitary gland?

Answer 5

Base of brain. Master gland. Produces somatrophin.

Question 6

What can happen if somatotrophin over produced?

Answer 6

Gigantism or acromagaly.

Question 7

What can happen if somatotrophin under produced?

Answer 7

dwarfism

Question 8

Location and function of Pineal gland?

Answer 8

In the brain. Affects biological rhythms and reproduction function. Produces melanin.

Question 9

Location and function of thyroid and parathyroid?

Answer 9

Front of neck. produces and stores thyroxine. Stores iodine after removing it from blood. controls metabolic rate. 4 small parathyroid location on thyroid gland controls calcium levels.

Question 10

What is Graves disease?

Answer 10

Over secretion of thyroid gland. (thyrotoxicosis).

Question 11

What can happen if the parathyroid over secretes?

Answer 11

Brittle bones.

Question 12

What is myxoedema?

Answer 12

Under secretion of thyroid gland

Question 13

What happens if parathyroid under secretes?

Answer 13

Low calcium ions muscles have convulsive contractions.

Question 14

Location and function of adrenal glands?

Answer 14

2 one on top of each kidney. Hormones produced, cortisone, androgen, oestrogen, adrenalin

Question 15

What is Cushing’s syndrome?

Answer 15

Caused by over secretion of adrenal cortex. Oedema, obesity of trunk and neck, hirsutism.

Question 16

Function and location of Islets of Langerhans?

Answer 16

In pancreas. Produce glucagon and insulin.

Question 17

What happens if Islets of Langerhans under secrete?

Answer 17

Diabetes high blood sugar due to shortage of insulin.

Question 18

Function and location of gonads?

Answer 18

Testes in men, ovaries in women. Testes produce androgens. Ovaries produce oestrogen and progesterone (pregnancy hormone)

Question 19

What causes Stein - leventhal syndrome (polycystic ovaries)?

Answer 19

Under secretion of ovaries. Enlarged ovaries with cysts, irregular menstruation, excess hair growth.

Question 20

Cause and symptoms of adreno genital syndrome?

Answer 20

Over secretion of androgens. Females take on male characteristics.

Question 21

Which hormones are secreted by adrenal medulla

Answer 21

Adrenalin and noradrenalin

Question 22

Hormones secreted by adrenal cortex?

Answer 22

Glucocorticoids (cortisone, cortisol)
Mineralocorticoids
Sex hormones androgen and oestrogen.

Question 23

List the three types of hormones?

Answer 23

Amino acids, Steroids and polypeptides.

Question 24

How does the endocrine system link to the nervous system?

Answer 24

The hypothalamus links the endocrine system with the cerebal cortex.

Question 25

Which glands have endocrine and exocrine functions?

Answer 25

Pancreas
Ovaries
Testes

Question 26

What is the action of insulin?

Answer 26

Stimulates storage of glucose in liver.

Question 27

What is the action of glucagon?

Answer 27

Stimulates conversion of glycogen into glucose.

Question 28

What hormone controls the function of the thyroid gland?

Answer 28

Thyroid stimulating hormone secreted by the anterior lobe of the pituitory gland.