Student Academic Learning ServicesThe Endocrine System Quiz Page 1 of 6 1. Which of the following statements regarding pituitary hormones is false? A) The hypothalamus makes oxytocin and antidiuretic hormone, which are transported the posterior pituitary for storage. B) Antidiuretic hormone, released by the posterior pituitary, causes urine volume to increase and blood volume to decrease. C) Luteinizing hormone, an anterior pituitary hormone, triggers ovulation of an egg from the ovary and causes the ruptured follicle to produce progesterone and some estrogens. D) Hyposecretion of follicle-stimulating hormone or luteinizing hormone leads to sterility in both males and females. E) (B) and (C) 2. Androgens are produced by the _______. A) B) C) D) ovaries. testes. hypothalamus. islets of Langerhans. 3. One of the two hormones made by the pituitary that help regulate reproductive cells is luteinizing hormone. The other hormone is _______. A) B) C) D) Androgens Follicle stimulating hormone Epinephrine Norepinephrine 4. Calcium level in the blood is regulated by the: A) B) C) D) Parathyroid and thyroid Adrenal medulla and pancreas Testes Parathyroid and thymus 5. Which one of the following is NOT typical of the changes that follow the binding of a hormone to its target cells: A) B) C) D) plasma membrane permeability changes cellular mutations occur enzymes are activated or inactivated mitosis is stimulated www.durhamcollege.ca/sals 905.721.2000 ext. 2491 Student Services Building (SSB), Room 204 This document last updated: 7/29/2011 the hypothalamus. Most endocrine organs are prodded into action by other hormones. Estrogens and progesterone are produced by: A) B) C) D) the testes. 8.721. Tropic hormones: A) B) C) D) stimulate the pineal gland to secrete hormones stimulate the thymus gland to secrete hormones stimulate other endocrines glands to secrete hormones stimulate nervous tissue 11.durhamcollege. the adrenal glands. 2491 Student Services Building (SSB).ca/sals 905. the ovaries. A) B) C) D) Gigantism Tetany Kidney failure Acromegaly 9. Room 204 This document last updated: 7/29/2011 .Student Academic Learning Services Page 2 of 6 6. steroids can do all the following EXCEPT: A) B) C) D) catalyze cyclic AMP diffuse through the plasma membranes of target cells enter the nucleus activate genes to transcribe mRNA for protein synthesis 7. The body’s major metabolic hormone is released from the: A) B) C) D) Pituitary Thyroid Thymus Hypothalamus www. this type of stimulus is called: A) B) C) D) hormonal stimulus humoral stimulus neural stimulus receptor-mediated stimulus 10.2000 ext. Failure of the pituitary to stop producing growth hormone after body growth is completed results in _______. Being lipid soluble. A) B) C) D) glucagon. The alpha cells of the pancreas secrete _______ which targets the _______.Student Academic Learning Services Page 3 of 6 12. positive feedback mechanisms. kidney calcitonin.2000 ext. The growth hormone produced by the pituitary gland is known as _______. A) B) C) D) somatotropin prolactin luteinizing hormone follicle-stimulating hormone 16. thyroid 15. hormone-receptor complexes. increased body temperature. homeostasis.ca/sals 905. liver glucagon. metabolism. hormone-gene complexes. positive feedback. Room 204 This document last updated: 7/29/2011 . A) B) C) D) negative feedback. 13.721. A) B) C) D) parathyroid hormone aldosterone calcitonin thyroid hormone 17. liver melatonin. 2491 Student Services Building (SSB). www.durhamcollege. The relatively constant internal environment of the body is maintained by _______. Most of the endocrine system is regulated by: A) B) C) D) negative feedback mechanisms. A) B) C) D) diabetes mellitus hypoglycemia hypothyroidism hyperthyroidism 14. Nervousness. and increased blood-pressure are indications of _______. The rate of metabolism of all body cells is regulated by _______. Parathyroid. D) Endocrine hormones only target a very small number of precise responses. B) Blood can carry all the same hormones throughout the body simultaneously. Which of the following produce antagonistic results? A) B) C) D) calcitonin and parathryroid hormone FSH and LH ADH and vasopressin oxytocin and prolactin www. producing responses all over the body.durhamcollege. Gonadal. whereas a nerve only targets a single response. The two regulatory systems of the body are the endocrine system and the _______. The secretions from which of these glands differs between males and females? A) B) C) D) Adrenal.ca/sals 905. Room 204 This document last updated: 7/29/2011 . 19. A) B) C) D) E) nervous system immune system circulatory system respiratory system skeletal system 20. Which of the following has both endocrine and exocrine functions? A) B) C) D) anterior pituitary thyroid adrenal medulla pancreas 22.Student Academic Learning Services Page 4 of 6 18.721. Why can a single endocrine hormone produce a wider spread of responses in more of the body than a single nerve cell? A) A single hormone can target many different responses. 21.2000 ext. The endocrine has nothing to do with the nervous system. nerve cells can only target a small number of cells. Pancreas. C) Nerve cells and blood work together. 2491 Student Services Building (SSB). The posterior pituitary gland stores and secretes A) B) C) D) oxytocin and antidiuretic hormone human growth hormone and thyroid stimulating hormone prolactin and follicle stimulating hormone glucocorticoids and androgens 27. the result would be A) B) C) D) increased secretion of oxytocin decreased secretion of antidiuretic hormone decreased secretion of oxytocin increased secretion of antidiuretic hormone 24. If you drank a liter of water very quickly. What stimulates the release of PTH from the parathyroid gland? A) B) C) D) TSH from the posterior pituitary gland high levels of calcium in the blood calcitonin from the anterior pituitary gland low levels of calcium in the blood The release of cortisol is stimulated by A) B) C) D) aldosterone angiotensin antidiuretic hormone (ADH) adrenocorticotropic hormone (ACTH) www.721. Target cells for hypothalamic releasing hormones are in the A) B) C) D) thyroid hypothalamus anterior pituitary posterior pituitary 26. 2491 Student Services Building (SSB).2000 ext. How is hormone secretion regulated? A) B) C) D) by the nervous system by other hormones by changes in blood composition all of the above 25.durhamcollege. Room 204 This document last updated: 7/29/2011 .ca/sals 905.Student Academic Learning Services Page 5 of 6 23. D 25.721. C 18. B 3. D 17.2000 ext. C 26. C 11. D www. A 16. A 23.durhamcollege. Room 204 This document last updated: 7/29/2011 . B 8. A 15. B 21. A 7. B 24. D 9. D 22. D 28. B 4. A 5. B 6. A 10. A 13. C 19. A 27.Student Academic Learning Services Page 6 of 6 Solutions 1. A 20. D 14.ca/sals 905. 2491 Student Services Building (SSB). B 2. B 12.