10th Edition

ISBN: 9781323431122

Author: Martini

Publisher: PEARSON C

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Textbook Question

Chapter 20, Problem 8RQ

The cardiac skeleton of the heart has which two of the following functions? (a) It physically isolates the muscle fibers of the atria from those of the ventricles, (b) It maintains the normal shape of the heart, (c) It helps distribute the forces of cardiac contraction, (d) It allows more rapid contraction of the ventricles, (e) It strengthens and helps prevent overexpansion of the heart.

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Chapter 20, Problem 7RQ

Chapter 20, Problem 9RQ

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Chapter 20 Solutions

FUND. OF ANATOMY & PHYSIOLOGY F16 PKG

Ch. 20 - Prob. 1CP Ch. 20 - Prob. 2CP Ch. 20 - Why is the left ventricle more muscular than the...Ch. 20 - Prob. 4CP Ch. 20 - Which structure of the heart is known as the...Ch. 20 - 6. If the cells of the SA node did not function,...Ch. 20 - Why is it important for impulses from the atria to...Ch. 20 - Give the technical terms for heart contraction and...Ch. 20 - List the phases of the cardiac cycle.Ch. 20 - Is the heart always pumping blood when pressure in...

Ch. 20 - What could cause an increase in the size of the...Ch. 20 - Define cardiac output.Ch. 20 - Prob. 13CP Ch. 20 - Prob. 16CP Ch. 20 - Prob. 14CP Ch. 20 - Prob. 15CP Ch. 20 - Prob. 17CP Ch. 20 - Prob. 18CP Ch. 20 - Prob. 20CP Ch. 20 - The great cardiac vein drains blood from the heart...Ch. 20 - The autonomic centers for cardiac function are...Ch. 20 - Prob. 5RQ Ch. 20 - Prob. 6RQ Ch. 20 - The heart is surrounded by the (a) pleural cavity,...Ch. 20 - The cardiac skeleton of the heart has which two of...Ch. 20 - Cardiac output is equal to the (a) difference...Ch. 20 - Identify the superficial structures in the...Ch. 20 - Identify the structures in the following diagram...Ch. 20 - During diastole, a chamber of the heart (a)...Ch. 20 - During the cardiac cycle, the amount of blood...Ch. 20 - What role do the chordae tendineae and papillary...Ch. 20 - Describe the three distinct layers that make up...Ch. 20 - What are the valves in the heart, and what is the...Ch. 20 - Trace the normal pathway of an electrical impulse...Ch. 20 - What is the cardiac cycle? What phases and events...Ch. 20 - What three factors regulate stroke volume to...Ch. 20 - The cells of the conducting system differ from the...Ch. 20 - Which of the following is longer? (a) the...Ch. 20 - If the papillary muscles fail to contract, (a) the...Ch. 20 - Cardiac output cannot increase indefinitely...Ch. 20 - Describe the function of the SA node in the...Ch. 20 - What are the sources and significance of the four...Ch. 20 - Differentiate between stroke volume and cardiac...Ch. 20 - What factors influence cardiac output?Ch. 20 - What effect does sympathetic stimulation have on...Ch. 20 - Describe the effects of epinephrine,...Ch. 20 - Vern is suffering from cardiac arrhythmias and is...Ch. 20 - Harvey has a heart murmur in his left ventricle...Ch. 20 - The following measurements were made on two...Ch. 20 - Prob. 31RQ Ch. 20 - Prob. 1CC Ch. 20 - Prob. 2CC

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Solution Summary: The author explains that the cardiac skeleton is a high density connective tissue structure, which anchors and forms the valves.

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