Reading Guide - Belle Vernon Area School District

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Name __________________________________ Mr. Reda Period _________ Date ______________________

AP: CHAPTER 40: CHEMICAL REGULATION & COMMUNICATION HORMONES AND THE ENDOCRINE SYSTEM

1. List a few similarities and differences comparing: a. endocrine system ________________________________________________________ __________________________________________________________________________ b. nervous system _________________________________________________________ __________________________________________________________________________ 2. Define negative feedback. ____________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 3. Define positive feedback. _____________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 4. How do the steroid model and the protein model for hormone action differ? __________________________________________________________________________ __________________________________________________________________________ 5. Hormone and receptor interactions are based on __________________________________ 6. Give an example of paracrine signaling between cells. __________________________________________________________________________ __________________________________________________________________________ 1 of 5 2004-2005

7. Identify cell structures used for direct cell contact in: a. animal cells _____________________________________________________________ __________________________________________________________________________ b. plant cells ______________________________________________________________ __________________________________________________________________________ 8 . Identify molecules that serves as “second messengers” in a cell? __________________________________________________________________________ __________________________________________________________________________ 9 . What does the “second messenger” do in the cell? ________________________________ __________________________________________________________________________ __________________________________________________________________________ 10. How do duct and ductless glands differ? _________________________________________ __________________________________________________________________________ __________________________________________________________________________ 11. What stimulates the anterior pituitary? __________________________________________ __________________________________________________________________________ __________________________________________________________________________ 12. Elaborate on the role of the hypothalamus. _______________________________________ __________________________________________________________________________ __________________________________________________________________________ 2 of 5 2004-2005

13. What are the functions of the glands: a. thyroid _________________________________________________________________ __________________________________________________________________________ b. parathyroid _____________________________________________________________ __________________________________________________________________________ 14. What happens when there is an iodine deficiency? __________________________________________________________________________ 15. Describe the function of the thymus gland. __________________________________________________________________________ __________________________________________________________________________ 16. How does the pancreas regulate blood sugar? a. insulin _________________________________________________________________ __________________________________________________________________________ b. glucagon _______________________________________________________________ __________________________________________________________________________ 17. What are the two mechanisms that stimulate the adrenal gland? __________________________________________________________________________ __________________________________________________________________________ 18. Describe several actions caused by the release of epinephrine. __________________________________________________________________________ __________________________________________________________________________ 3 of 5 2004-2005

19. What is the role of the gonadotropic hormones in males and females? a. FSH ___________________________________________________________________ __________________________________________________________________________ b. LH ____________________________________________________________________ __________________________________________________________________________ 4 of 5 2004-2005

Name __________________________________

5 of 5

Ms. Foglia

2004-2005

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