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Study Questions for Chapter 18

Study Questions for Chapter 18 - Chapter 18 The...

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Chapter 18 The Cardiovascular System: The Heart 1. The principle of complementary of structure and function is evident when examining the  coverings of the heart.  In what way is this relationship evident? a. the pericardium surrounds the heart b. the epicardium and visceral layer of the pericardium are synonymous c. the pericardial cavity surrounds the heart d. the visceral and parietal membranes of the pericardium are smooth and slide  past each other providing a low friction environment for heart movement 2. Of the following structures of the heart wall, which consumes the most energy? 3. Which of the following structures is an exception to the general principle surrounding  blood vessel oxygen levels? 4. What purpose does the coronary circuit serve? a. none: it is a vestigial set of vessels b. it delivers 1/20 of the body’s blood supply necessary to support heart function c. it delivers blood to the anterior lung surface for gas exchange d. it feeds the anterior thoracic wall 5. A heart murmur would be detected when blood is heard flowing from the ________ to the  __________ through the ___________.
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