Anatomy and Physiology
9th Edition
ISBN: 9781260256000
Author: SALADIN
Publisher: MCG
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Chapter 19.6, Problem 12AYLO
Summary Introduction
To discuss:
The general terms for chemical agents that influence the cardiac contractility with perfect examples.
Introduction:
Myocardial muscles of the heart undergoes severe contraction and relaxation during every heartbeat. This contraction and relaxation is effected by the collagen and elastic fibers in the heart muscles. However, there is a lot of agents that increase the heart contraction rate.
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Human Anatomy & Physiology (11th Edition)BUY
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
1 The Human Body: An Orientation
expand_moreChapter 1 : The Human Body: An Orientation
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Chapter 19 Solutions
Anatomy and Physiology
Ch. 19.1 - Prob. 1AYLOCh. 19.1 - Names of the great vessels directly connected to...Ch. 19.1 - Prob. 3AYLOCh. 19.1 - Prob. 4AYLOCh. 19.2 - Prob. 3BYGOCh. 19.2 - Prob. 1AYLOCh. 19.2 - Relative thickness of the myocardium in different...Ch. 19.2 - Structure and function of the fibrous skeleton of...Ch. 19.2 - Prob. 4AYLOCh. 19.2 - Names and synonyms for all four valves of the...
Ch. 19.2 - Prob. 6AYLOCh. 19.2 - Prob. 7AYLOCh. 19.2 - Prob. 8AYLOCh. 19.2 - Prob. 9AYLOCh. 19.2 - Prob. 10AYLOCh. 19.2 - Anatomy of the major veins that drain the...Ch. 19.3 - Prob. 1AYLOCh. 19.3 - Prob. 2AYLOCh. 19.3 - Components, of the cardiac conduction system and...Ch. 19.4 - Prob. 1AYLOCh. 19.4 - Prob. 2AYLOCh. 19.4 - The mechanism that causes cells of the SA node to...Ch. 19.4 - The spread of excitation through the atria, AV...Ch. 19.4 - Prob. 5AYLOCh. 19.4 - Prob. 6AYLOCh. 19.4 - Prob. 7AYLOCh. 19.5 - Prob. 1AYLOCh. 19.5 - Prob. 2AYLOCh. 19.5 - Prob. 3AYLOCh. 19.5 - Prob. 4AYLOCh. 19.5 - In each phase of the cardiac cycle, which chambers...Ch. 19.5 - The typical duration, in seconds, of atrial...Ch. 19.5 - Prob. 7AYLOCh. 19.5 - Prob. 8AYLOCh. 19.6 - Prob. 29BYGOCh. 19.6 - Prob. 30BYGOCh. 19.6 - The definition of cardiac output (CO); how it can...Ch. 19.6 - Prob. 2AYLOCh. 19.6 - Prob. 3AYLOCh. 19.6 - Prob. 4AYLOCh. 19.6 - Prob. 5AYLOCh. 19.6 - Mechanisms by which sympathetic and...Ch. 19.6 - Prob. 7AYLOCh. 19.6 - Prob. 8AYLOCh. 19.6 - Mechanisms by which epinephrine and...Ch. 19.6 - Prob. 10AYLOCh. 19.6 - Prob. 11AYLOCh. 19.6 - Prob. 12AYLOCh. 19.6 - Prob. 13AYLOCh. 19.6 - Prob. 14AYLOCh. 19.6 - Conditions that increase afterload: the effect of...Ch. 19.6 - Prob. 16AYLOCh. 19.6 - Why stroke volume may be unusually high and...Ch. 19.6 - Prob. 18AYLOCh. 19.6 - Prob. 19AYLOCh. 19.6 - Prob. 20AYLOCh. 19.6 - Prob. 21AYLOCh. 19 - The cardiac conduction system includes all of the...Ch. 19 - Prob. 2TYRCh. 19 - Assume that one ventricle of a childs heart has...Ch. 19 - Prob. 4TYRCh. 19 - Prob. 5TYRCh. 19 - Prob. 6TYRCh. 19 - The atria contract during a. the first heart...Ch. 19 - Prob. 8TYRCh. 19 - Prob. 9TYRCh. 19 - Prob. 10TYRCh. 19 - The contraction of any heart chamber is called and...Ch. 19 - Prob. 12TYRCh. 19 - The circumflex artery travels in a groove called...Ch. 19 - Prob. 14TYRCh. 19 - Electrical signals pass quickly from one...Ch. 19 - Repolarization of the ventricles produces the of...Ch. 19 - Prob. 17TYRCh. 19 - Prob. 18TYRCh. 19 - Blood in the heart chambers is separated from the...Ch. 19 - The Frank-Starling law of the heart explains why...Ch. 19 - atrio-Ch. 19 - brady-Ch. 19 - Prob. 3BYMVCh. 19 - Prob. 4BYMVCh. 19 - lun-Ch. 19 - Prob. 6BYMVCh. 19 - Prob. 7BYMVCh. 19 - Prob. 8BYMVCh. 19 - Prob. 9BYMVCh. 19 - Prob. 10BYMVCh. 19 - Prob. 1WWTSCh. 19 - One-way valves prevent atrial systole from driving...Ch. 19 - Prob. 3WWTSCh. 19 - Prob. 4WWTSCh. 19 - Prob. 5WWTSCh. 19 - Prob. 6WWTSCh. 19 - If all nerves to the heart were severed, the heart...Ch. 19 - If the two pulmonary arteries were clamped shut,...Ch. 19 - Unlike skeletal muscle, cardiac muscle cells do...Ch. 19 - An electrocardiogram is a tracing of the action...Ch. 19 - Prob. 1TYCCh. 19 - Prob. 2TYCCh. 19 - Becky, age 2, was born with a hole in her...Ch. 19 - Prob. 4TYCCh. 19 - Prob. 5TYC
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