ANATOMY AND PHYSIOLOGY THE UNITY OF FORM
9th Edition
ISBN: 9781264807123
Author: SALADIN
Publisher: MCG
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Textbook Question
Chapter 19, Problem 20TYR
The Frank-Starling law of the heart explains why the _____ of the left ventricle is the same as that of the right ventricle.
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Blood in the heart chambers is separated from the myocardium by a thin membrane called the _____.
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Impulses through the conduction system of the heart follow the ordered path SA node->conduction myofibers->AV bundle->AV node.
Pressure in the ventricle would be lowest during _____.
atrial systole
ventricular systole
ventricular diastole
isovolumetric relaxation
diastisis
Chapter 19 Solutions
ANATOMY AND PHYSIOLOGY THE UNITY OF FORM
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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- Which of the following structures of the heart is responsible for pumping the blood to the lungs? left atrium left ventricle right atrium right ventricle sinoatrial nodearrow_forwardThe heart has three layers the outermost of which is called the ___arrow_forwardThe pointy, inferior part of the heart is the ___while the ___ is much broader with multiple blood vessels entering and exiting from the region.arrow_forward
- The ""lub-dup"" heart sounds are produced by the _______" A "opening of the atrioventricular valves (""lub"") and the opening of the semilunar valves (""dup"")" B "opening of both the atrioventricular and semilunar valves (""lub"") and the closing of both the atrioventricular and semilunar valves (""dup"")" C "closing of the atrioventricular valves (""lub"") and the closing of the semilunar valves (""dup"")" D "closing of the semilunar valves (""lub"") and the closing of the atrioventricular valves (""dup"")"arrow_forwardA common symptom of left ventricular failure is ________, which is difficulty breathing when lying down.arrow_forwardThe finest passages through which electrical signals pass before reaching the ventricular cardiocytes are called _____.arrow_forward
- The upper chambers of the heart that receive blood are called ___.arrow_forwardAtrial fibrillation (AF) is a rapid and unorganized beating of the upper chambers of the heart. It is generally not life-threatening in the short term, but it dramatically impacts how a patient feels, and it can have bad consequences in the long term. One of those “bad consequences” is stroke, caused by blood clots that can form in the atria when they are “fibrillating” for long periods of time, and the clots subsequently flow to the brain. We are now planning a study to see whether a new therapy (perhaps cryoablation plus a new drug) is better than a control therapy (perhaps cryotherapy plus an old drug) at preventing stroke or death. Our primary endpoint will be a composite of stroke or all-cause mortality, and we will structure this as a time-to-event analysis. We think the new therapy will lead to a reduction in risk of 40% (that is, a hazard ratio of 0.60). How many events must we observe (combined across both therapy groups) in order to have 95% power to detect a reduction…arrow_forwardHow the Frank–Starling law of the heart matches stroke volume to venous return.arrow_forward
- why is the heart referred to "two pumps in one"arrow_forwardThe myocardium of the ____________ ventricle is normally thickest. left rightarrow_forwardRepolarization of ventricular myocardiocytes is caused by ______ the cells through voltage-gated channels. A potassium entering B potassium leaving C sodium entering D sodium leaving E calcium enteringarrow_forward
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