Chapter 19 Physiology of the Cardiovascular System

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Chapter 19  Physiology of the Cardiovascular System

 

 

Complete chapter Questions And Answers
 

Sample Questions

 

 

TRUE/FALSE

1. Under abnormal conditions, the AV node or the Purkinje fibers may act as ectopic pacemakers.

ANS: T DIF: Memorization
REF: Page 663 | Page 664 TOP: Conduction System of the Heart

2. The transvenous approach is one method of inserting a permanent pacemaker.

ANS: T DIF: Memorization REF: Page 664 TOP: Artificial Cardiac Pacemakers

3. The T wave reflects repolarization of the atria.

ANS: F DIF: Memorization REF: Page 666 TOP: Electrocardiogram (ECG)

4. Increased baroreceptor stimulation causes increased sympathetic activity to the heart.

ANS: F DIF: Memorization
REF: Page 673 | Page 675 TOP: Factors That Affect Heart Rate

5. Emotional stress can influence heart rate by creating impulses that go from the cerebrum to the cardiac centers via the hypothalamus.

ANS: T DIF: Memorization
REF: Page 673 | Page 675 TOP: Factors That Affect Heart Rate

6. When baroreceptors are stimulated, the heart rate slows.

ANS: T DIF: Memorization
REF: Page 673 | Page 675 TOP: Factors That Affect Heart Rate

7. Grief tends to make the heart beat faster.
Mosby items and derived items © 2010, 2007, 2003 by Mosby, Inc., an affiliate of Elsevier Inc.

Test Bank

19-2

ANS: F DIF: Memorization REF: TOP: Factors That Affect Heart Rate

 

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