Exam 11: The Cardiovascular System

Match the following: -The four pulmonary veins return oxygenated blood to this chamber

Veins ________.

The heart is enclosed by three membranes: an outer fibrous layer and an inner serous membrane pair.

During ventricular diastole, the bicuspid and tricuspid (mitral) valves are closed.

The heart sounds, "lub" and "dup," occur when the atria contract and subsequently when the ventricles contract.

Which of the following is NOT a method or pathway of movement for substances traveling across a capillary wall?

Hypotension is diastolic blood pressure below 100 mm Hg.

The coronary veins empty blood from the myocardium into a large vein on the posterior side of the heart known as the ________.

During atrial diastole, blood flows from the atria to the ________.

Oxygenated blood nourishing the myocardium comes from vessels that branch off the aorta called ________.

The semilunar valves prevent the backflow of blood into the atria when the ventricles are contracting.

Which vessel feeds oxygenated blood into the cerebral arterial circle (circle of Willis) of the brain?

You notice a missing P wave on a patient's electrocardiogram (ECG) and believe there is a problem with the ________.

The hepatic veins drain the blood from the liver and return it to the inferior vena cava.

Describe how arteries, capillaries and veins are structurally different.

Veins draining the head and arms empty into the ________, which carries blood to the right atrium of the heart.

Match the following: -Heart chamber that pumps blood to the pulmonary trunk

What effect does the sympathetic nervous system have on the diameter of blood vessels?

The alternating expansion and recoil of an artery that occurs with each beat of the left ventricle creates a pressure wave known as a ________.

The two superior receiving chambers of the heart are known as the ________, while the two inferior discharging chambers of the heart are known as the ________.