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.

__________________________________________________________________________

__________________________________________________________________________

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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. _______________________________________

__________________________________________________________________________

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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.

__________________________________________________________________________

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19. What is the role of the gonadotropic hormones in males and females? a. FSH ___________________________________________________________________

__________________________________________________________________________ b. LH ____________________________________________________________________

__________________________________________________________________________

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Name __________________________________

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Ms. Foglia

2004-2005

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