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Download AP Study Guide Name__________________________ Chapter 45
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Transcript
AP Study Guide Name__________________________ Chapter 45 Date__________________________ Hormones and the Endocrine System 1. Label the parts of these diagrams, indicating which represent a water-soluble hormone and which a lipid-soluble hormone. 2. Explain the difference between negative and positive feedback in the control of hormonal pathways. ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 3. Fill in the following table to review the hormones stored and released by the posterior pituitary (a and b) and secreted by the anterior pituitary (c-h). Hormone Oxytocin Main Action ADH TSH PSH and LH ACTH Prolactin MSH GH 4. Explain how a lack of iodine in the diet may result in goiter, an enlarged thyroid gland. ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 5. Describe how the adrenal gland in signaled by the hypothalamus and responds to short-term and long-term stress. a. Short-term stress:____________________________________________ ____________________________________________________________ ____________________________________________________________ b. Long-term stress:______________________________________________ ____________________________________________________________ ____________________________________________________________ 6. Briefly describe the two general mechanisms by which signaling molecules trigger responses in target cells, depending on the location of the receptor. ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 7. Explain how the action of secretin, which is released in response to a low pH in the intestine and stimulates the release of bicarbonate from the pancreas, illustrates a simple hormone pathway. ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 8. What is a hormone cascade pathway? ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 9. Describe how the activation of the thyroid gland illustrates such a pathway (#8). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ Take Home Quiz Chapter 45 Name________________________________
