Test questions Endocrine system

Hormones: 1. are substances produced by endocrine glands; 3. they react with specialized receptors on the cell membrane or cytoplasm of the cells building certain organs; 2. enter the blood and lymph directly and with their help spread throughout the whole body; 4. regulate processes which usually run out slowly. А: only 1 B: only 2, 3 C: only 1,2,3 D: only 2,3,4 E: all are correct

Endocrine hormones participate in the regulation of: 1. the exchange of substances; 3. adaptation; 2. reproduction; 4. the control of other endocrine glands. А: 1, 3 B: 1, 2 C: 2, 3 D: 1, 3, 4 E: all are correct

Hyper function of the anterior lobe of the pituitary gland leads to: 1. Gigantism; 3. Cretinism; 2. Acromegaly; 4. Basedow’s disease. А: 2, 4 B: 1, 2 C: 1, 3, 4 D: 2, 3, 4 E: 1, 4

Hormone Vasopressin: 1. Is produces in the diencephalon; 3. Regulates the reabsorption of water in the tubules of nephrons; 2. Is secreted in posterior lobe of the pituitary gland; 4. Is secreted in bigger amounts, when there is too much water in the organism А: 1, 3 B: 2, 3 C: 1, 3, 4 D: 2, 3, 4 E: all are correct

Thyroxin: 1. Stimulates the exchange of substances in the tissues; 3. Doesn’t regulate the growth of the organism; 2. Is the main regulator of body temperature at rest; 4. Doesn’t effect the mental development of the human. А: 1, 2 B: 3, 4 C: 1, 2, 3 D: 2, 3, 4 E: all are correct

Parathyroid glands : 3. Produce hormones, which don’t influence the metabolism of calcium and phosphoric ions; 1. Are more than 4 small structures; 2. Are big as rice grains; 4. In case of hyper function they increase the excitement of the nerve and the muscle cells. А: 1, 3 B: 1, 2 C: 2, 3 D: 1, 3, 4 E: all are correct

Which endocrine gland secretes calcitonin? 1. Parathyroid glands; 3. Thyroid gland; 2. Cortex of adrenal glands; 4. Posterior lobe of pituitary gland; 5. Thymus. А: 3 B: 1 C: 1, 3 D: 4 E: 1, 4

Pancreas: 1. Has the shape of four-sided prism; 3. Secretes enzymes and hormones; 2. Reaches the length of 25 cm; 4. Is completely composed of cells from the islets of Langerhans. А: 1, 2 B: 3 C: 3, 4 D: 1, 2, 3 E: all are correct

How the hormones insulin and glucagon regulate the level of glucose in the blood? 1. Insulin increases; 3. Insulin decreases; Glucagon decreases; 4. Glucagon increases. А: 1, 4 B: 2, 3 C: 1, 2 D: 3, 4 E: None of the above

Which hormones are secreted by the cortex of the adrenal glands? 1. Sex hormones; 3. Mineral corticoids; 2. Adrenaline; 4. Adenocorticoids E: , all are correct А: 4 B: 3, 2 C: 1, 3 D: 1, 3, 4

Sex glands: 3. Release hormones that affect the development and formation of the whole organism; 1. Are part of the Endocrine system; 2. They do not form the gametes; 4. They release the hormone testosterone that regulates the development of the secondary sexual characteristics of the two sexes А: 1, 2, 3 B: 2, 4 C: 1, 3 D: 1, 3, 4 E: all are correct

What are the functions of the estrogens? 1. Stimulate the formation of female secondary sexual characteristics; 3. Stimulate the development of female sex organs; 2. Regulates the menstrual cycle; 4. Stimulates the formation of the so called yellow body(corpus luteum); E:All are correct А: 1,2, 3 B: 1, 2 C: 1, 3, 4 D: 2, 3, 4

What are the functions of the progesterone ? 3. Preparation of the endometrium of uterus for the reception of the fertilized egg; 1. Stimulates the development of mammary glands ; 2. Suppress the secretion of the luteinizing hormone(LH) 4. Stimulates the development of secondary female sex characteristics; А: 1, 2 B: 1, 2, 3 C: 1, 3, 4 D: 2, 3, 4 E: all are correct

EDUCATIONAL SCIENCE RESOURCE created by Irina Kostadinova - biology and health education teacher Second English Language School "Thomas Jefferson“ Sofia, Bulgaria