ECG Waveforms and Cardiac Events

Front

Which chamber of the heart receives oxygenated blood from the lungs?

Back

Left atrium

Front

What does 'Dub' (S2) correspond to?

Back

Semilunar valves closing

Front

Which heart chamber receives blood from the systemic circulation?

Back

Right atrium

Front

What is the main function of the tricuspid valve in the heart?

Back

Prevent backflow of blood into the right atrium

Front

What do baroreceptors respond to?

Back

Changes in blood pressure

Front

What is the function of the left ventricle?

Back

Pumps oxygenated blood to the body

Front

What is the role of the right atrium?

Back

Receives deoxygenated blood from the body

Front

What happens during the 'Lub' (S1) sound?

Back

AV valves closing

Front

What is the purpose of the pulmonary valve?

Back

Prevents backflow of blood into the right ventricle

Front

What is the main function of the aorta?

Back

Carries oxygenated blood from the heart to the body