The atrioventricular valves open because ______. A relaxation of the ventricles causes the ventricular pressure to fall below the atrial pressure B ventricular pressure rises above the pressure in the aorta and pulmonary arteries C ventricular pressure rises above atrial pressure due the ventricular walls being stronger D atrial contraction causes atrial pressure to rise above ventricular pressure
The atrioventricular valves open because ______. A relaxation of the ventricles causes the ventricular pressure to fall below the atrial pressure B ventricular pressure rises above the pressure in the aorta and pulmonary arteries C ventricular pressure rises above atrial pressure due the ventricular walls being stronger D atrial contraction causes atrial pressure to rise above ventricular pressure
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter9: Cardiac Physiology
Section: Chapter Questions
Problem 12RE
Related questions
Question
The atrioventricular valves open because ______.
A |
relaxation of the ventricles causes the ventricular pressure to fall below the atrial pressure
|
|
B |
ventricular pressure rises above the pressure in the aorta and pulmonary arteries
|
|
C |
ventricular pressure rises above atrial pressure due the ventricular walls being stronger
|
|
D |
atrial contraction causes atrial pressure to rise above ventricular pressure
|
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