1. Test questions Endocrine system

3. 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

4. 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

6. 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

7. 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

9. 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

10. 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

11. 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

13. 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

14. 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

16. 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

18. 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

19. 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

20. 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

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