Podcast Beta
Questions and Answers
During ventricular diastole, what mechanical event occurs due to the pressure difference between the ventricles and the aorta/pulmonary trunk?
Which event occurs during ventricular systole that leads to the first heart sound (LUB) shortly after the QRS wave starts?
What phase of the cardiac cycle is characterized by the ventricles having the highest pressure, leading to blood flowing out of them?
Which part of the heart experiences higher pressure during ventricular diastole?
Signup and view all the answers
What is the primary factor that forces the semilunar valves open during ventricular diastole?
Signup and view all the answers
Which statement best describes the flow of blood during ventricular systole?
Signup and view all the answers
What event occurs during atrial systole following the P wave?
Signup and view all the answers
What mechanical event is responsible for causing turbulence of blood and giving rise to the first heart sound (LUB)?
Signup and view all the answers
Which phase of the cardiac cycle is characterized by atrial relaxation and 80% of blood being delivered into the ventricles passively?
Signup and view all the answers
What phase of the cardiac cycle involves higher pressure in the ventricles than in the atria, leading to AV valve closure and turbulence of blood?
Signup and view all the answers
