10 Questions
An increased venous return will result in an increased end diastolic volume, which causes a rise in ______
stroke volume
An increase in sympathetic activity or epinephrine will stimulate an increased contractility, which will in turn cause an increase in ______
stroke volume
A decreased arterial pressure or low afterload will cause an increased ______
stroke volume
An increased activity of the sympathetic nervous system to the heart will cause both an increased stroke volume and heart rate (because of increased contractility), which will result in an overall increase in ______
cardiac output
A decrease in the activity of the parasympathetic nervous system will cause an increased ______
cardiac output
Factors Affecting Stroke Volume: An increased venous return will result in an increased end diastolic volume, which causes a rise in ______
stroke volume
Factors Affecting Stroke Volume: An increase in sympathetic activity or epinephrine will stimulate an increased contractility, which will in turn cause an increase in ______
stroke volume
Factors Affecting Stroke Volume: A decreased arterial pressure or low afterload will cause an increased ______
stroke volume
Factors Affecting Cardiac Output: An increased activity of the sympathetic nervous system to the heart will cause both an increased stroke volume and heart rate (because of increased contractility), which will result in an overall increase in ______
cardiac output
Factors Affecting Cardiac Output: A decrease in the activity of the parasympathetic nervous system will cause an increased ______
cardiac output
Explore how the cardiac output is determined by heart rate and stroke volume, and how changes in these variables can impact the cardiac output. Learn about the intrinsic and extrinsic control mechanisms that regulate the heart, influencing the cardiac output.
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