than ventricular pressure while semilunar valves are open ventricular pressure is greater than atrial pressure when the atrioventricular valves are closed atrioventricular valves are open during ventricular emptying the end diastolic volume of the ventricles is reached before ventricles contract
than ventricular pressure while semilunar valves are open ventricular pressure is greater than atrial pressure when the atrioventricular valves are closed atrioventricular valves are open during ventricular emptying the end diastolic volume of the ventricles is reached before ventricles contract
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter9: Cardiac Physiology
Section9.3: Mechanical Events Of The Cardiac Cycle
Problem 2CYU
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Transcribed Image Text:Select TRUE or FALSE to best describe the statements below, relating the events of
the cardiac cycle. Keep in mind that these events may be chemical, electrical and
mechanical.
atrial pressure is greater
than ventricular pressure
while semilunar valves are
оpen
ventricular pressure is
greater than atrial pressure
when the atrioventricular
valves are closed
atrioventricular valves are
open during ventricular
emptying
the end diastolic volume of
the ventricles is reached
before ventricles contract
1
ventricular filling occurs
before depolarization of the
atria
1
atrioventricular valves and
1. TRUE
1
semilunar valves are closed
at the beginning of
ventricular systole
2. FALSE
end systolic volume
increases when more blood
empties from the ventricles
the greatest pressure is
reached in the ventricles
while they are emptying
the right atrium depolarizes
before the left atrium
ventricular depolarization
occurs during the T-wave
semilunar valves are open
during ventricular filling
ventricular filling occurs
during contraction of the
1
atria
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