Ch 19: Heart

The epicardium is the same as the

Which vessel returns most of the venous blood from the heart to the right atrium?

Blood within the pulmonary veins returns to the

Oxygen-poor blood returns to the heart and enters the

The tricuspid valve is closed

Which valve would you hear if you were listening to the heart at its superior right point?

What is the function of the chordae tendineae and papillary muscles of the bicuspid and tricuspid valves?

The valve responsible for preventing backflow of blood from the lungs into the heart.

Semilunar valves are located

At which corner point of the heart does one listen for the sound of the closing aortic semilunar valve?

If the beating heart makes a "lub-dup" sound, the "dup" sound is caused by

The atrioventricular node is located in the

Identify the vessel that returns most of the blood from the heart into the right atrium

The right and left coronary arteries __________

Which of the following veins does not deliver blood directly to the right atrium?

T/F The right and left coronary arteries arise from the descending aorta.