Principles of Human Physiology (6th Edition)
6th Edition
ISBN: 9780134169804
Author: Cindy L. Stanfield
Publisher: PEARSON
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Chapter 13, Problem 32E
Jane trained for a marathon for 6 months. Her resting heart rate is 50 beats/mm and her blood pressure is 105175 mm Hg. Jane’s roommate. Sue, watches a lot of TV and has a resting heart rate of 85 beats/mm and blood pressure of 135/85 mm Hg. Both women have the same resting cardiac output of 5.0 literslmiri. Determine the resting stroke volume and mean arterial pressure for each woman. Based on your findings, whose heart is beating more efficiently?
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If stroke volume is 0.1 liters and heart rate is 100 beats per min, what is cardiac output?
Group of answer choices
100 liters per min
10 liters per min
1000 liters per min
5 liters per min
Stroke volume is equal to the ______.
A
amount of blood pumped in a single beat by both ventricles combined
B
amount of blood in the right (or left) ventricle at the end of diastole minus the amount of blood in the right (or left) ventricle at the end of systole
C
end systolic volume minus the end diastolic volume
D
amount of blood pumped by the heart in one minute
There are three major factors that affect stroke volume and therefore affect cardiac output: afterload, preload, and contractility. Select two of these factors and explain how and why each affects cardiac output.
Chapter 13 Solutions
Principles of Human Physiology (6th Edition)
Ch. 13.1 - What are the “receiving chambers” of the heart...Ch. 13.1 - Prob. 13.1.2QCCh. 13.1 - Prob. 13.1.3QCCh. 13.2 - Prob. 1CTQCh. 13.2 - Prob. 2CTQCh. 13.2 - Prob. 3CTQCh. 13.2 - Which organs receive blood flowing through the...Ch. 13.2 - Prob. 13.2.2QCCh. 13.2 - Prob. 13.2.3QCCh. 13.3 - Prob. 13.3.1QC
Ch. 13.3 - Prob. 13.3.2QCCh. 13.3 - Prob. 13.3.3QCCh. 13.3 - Prob. 13.3.4QCCh. 13.4 - Under normal conditions, which controls the...Ch. 13.4 - Arrange the order of the following terms so that...Ch. 13.4 - The entry of calcium into a ventricular muscle...Ch. 13.4 - Match the terms P wave. QRS complex. and T wave...Ch. 13.5 - Prob. 13.5.1QCCh. 13.5 - Descnbe the relationship between the different...Ch. 13.6 - Write the equation showing the relationship...Ch. 13.6 - Prob. 13.6.2QCCh. 13.6 - Prob. 13.6.3QCCh. 13.6 - What is Starlings law of the heart? Why is it an...Ch. 13.6 - Prob. 13.7.2QCCh. 13.6 - Prob. 13.7.3QCCh. 13 - Prob. 1ECh. 13 - Prob. 2ECh. 13 - Prob. 3ECh. 13 - Prob. 4ECh. 13 - Prob. 5ECh. 13 - Which of the following contains deoxygenated...Ch. 13 - Which of the following is not normally apparent in...Ch. 13 - The second heart sound occurs when the semilunar...Ch. 13 - Prob. 9ECh. 13 - Prob. 10ECh. 13 - Prob. 11ECh. 13 - Prob. 12ECh. 13 - Prob. 13ECh. 13 - Prob. 14ECh. 13 - Prob. 15ECh. 13 - Prob. 16ECh. 13 - Prob. 17ECh. 13 - Prob. 18ECh. 13 - Prob. 19ECh. 13 - Under normal conditions, pressures in the left and...Ch. 13 - Stroke volume and ____ completely determine...Ch. 13 - If end-diastolic volume does not change but...Ch. 13 - Prob. 23ECh. 13 - Prob. 24ECh. 13 - Prob. 25ECh. 13 - Prob. 26ECh. 13 - Prob. 27ECh. 13 - Prob. 28ECh. 13 - Describe the process of action potential...Ch. 13 - Prob. 30ECh. 13 - Prob. 31ECh. 13 - Jane trained for a marathon for 6 months. Her...Ch. 13 - Cardiac arrhythmias are often treated with...Ch. 13 -
Damage to a valve can often be detected by...Ch. 13 - In the ECG trace below, label all of the P. QRS....
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- High blood pressure would be a result of ___________ . a high cardiac output and high peripheral resistance a high cardiac output and low peripheral resistance a low cardiac output and high peripheral resistance a low cardiac output and low peripheral resistancearrow_forwardFactors affecting Cardiac Output Explain how the following factors affect HR, SV and CO. Write the letter of your answerarrow_forwardThere are three major factors that affect stroke volume and therefore affect cardiac output: afterload, preload, and contractility. Explain how and why each of these factors affects cardiac output. Each answer must explain what the factor is as well as how it affects cardiac output.arrow_forward
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