Exam 12: The Heart

The pulmonary veins return blood from the ____ to the ____.

If cardiac output is 4,225 mL and pulse is 65 bpm,what is stroke volume?

The heart is a double pump: the right side of the heart receives blood from the ____________________ and pumps it to the ____________________.

The impulse for contraction of the heart passes from the atria to the ventricles at the:

Within the heart,backflow of blood is prevented by the ____________________.

The right and left AV valves prevent backflow of blood from the ____________________ to the ____________________ when the ____________________ contract.

The heart is directly superior to the ____________________ and is medial to the ____________________.

The sequence of events in one heartbeat is called the:

Which of the following statements are true of cardiac output? (Read carefully and select all of the correct statements.)

The ____________________ returns blood from the upper body to the right atrium.

Which of the following statements are true of the reflex arc for heart rate and blood pressure? (Read carefully and select all of the correct statements.)

The layer of the heart wall that pumps blood is the ____________________.

The vagus nerves carry impulses:

The aortic semilunar valve prevents backflow of blood from the ____________________ to the ____________________.

The inferior vena cava returns blood from the ____________________ to the ____________________ of the heart.

The flaps of the atrioventricular (AV)valves of the heart are anchored by the:

The left ventricle pumps blood into the ____ to the ____.

The valve that prevents backflow of blood from the right ventricle to the right atrium is the:

The vein that returns blood from the upper body to the right atrium is the:

The aorta takes blood from the: