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. ____________________________________________________
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3. Define positive feedback. _____________________________________________________
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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 ______________________________________________________________
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8 . Identify molecules that serves as “second messengers” in a cell?
__________________________________________________________________________
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9 . What does the “second messenger” do in the cell? ________________________________
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10. How do duct and ductless glands differ? _________________________________________
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11. What stimulates the anterior pituitary? __________________________________________
__________________________________________________________________________
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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.
__________________________________________________________________________
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16. How does the pancreas regulate blood sugar? a. insulin _________________________________________________________________
__________________________________________________________________________ b. glucagon _______________________________________________________________
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17. What are the two mechanisms that stimulate the adrenal gland?
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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