Chapter 18 Endocrine System

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Chapter 18  Endocrine System

 

 

Complete chapter Questions And Answers
 

Sample Questions

 

 

TRUE/F ALSE

1. Most hormones are highly specific in their action.

ANS: T DIF: Application REF: Page 550 TOP: General Principles of Hormone Action

2. Endocrine glands release their hormones into ducts that eventually empty into the circulatory system.

ANS: F DIF: Memorization REF: Page 546 TOP: Endocrine System Introduction

3. The endocrine system can regulate most cells in the body.

ANS: T DIF: Memorization
REF: Page 546 (Table 18-1) TOP: Endocrine System Introduction

4. Both the endocrine and nervous systems exhibit control via regulatory feedback loops.

ANS: T DIF: Memorization
REF: Page 546 (Table 18-1) TOP: Endocrine System Introduction

5. The general effect of hormones is to produce regulatory changes within the target cell.

ANS: T DIF: Memorization REF: Page 550 TOP: General Principles of Hormone Action

6. All nonsteroid hormones operate according to the second messenger model.

ANS: F DIF: Memorization REF: Page 553 TOP: Mechanisms of Nonsteroid Hormone Action

7. The “lock-and-key” mechanism allows hormones to bind only with target cells that have receptors that “fit” them exactly.

ANS: T DIF: Memorization REF: Page 550 TOP: General Principles of Hormone Action

8. Input from the nervous system influences secretion of some hormones.

Mosby items and derived items © 2013, 2010, 2007, 2003 by Mosby, Inc., an affiliate of Elsevier Inc.

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