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Cardiovascular System Quiz:
Richard Hill.
14th OCT 2002.
1.The two vascular curcuits in the body are the ___________ circulation and the
__________ circulation.
2.Blood moves from ateries to __________ to capillaries as it travels to the tissues.
3.Blood moves from capillaries to _________ to veins as it travels back to the heart.
4.Oxygenated blood is returned to the heart from the lungs via the pulmonary
_______.
5.The tough outer pericardial layer is called the _________ pericardium.
6.The serous pericardium is composed of an outer __________ layer, and an inner
visceral layer.
7.The visceral layer is also known as the _____________.
8.Relaxation of the heart is also known as ____________.
9.T or F Cardiac output is the amount of blood ejected from each ventricle during a
single contraction.
10.Blood is prevented from flowing back into the heart when the ventricles relax by
_____________ valves.
11.An unusual heart sound is called a ________ _________.
12.The _____________ node is the heart's pacemaker. (NO ABBREVIATIONS!)
13.The _____________ node is located in the interatrial septum. (NO
ABBREVIATIONS!)
14.Conduction fibres AKA __________ fibres conduct the action potentials to the
apex of the heart, and the rest of the myocardium.
15.Name the three types of waves which can be seen on an electrocardiogram (ECG).
16.T or F Veins sometimes carry oxygenated blood.
17.T or F All blood vessel walls are made up of three layers.
18.The tunica externa AKA the tunica ____________ is the outermost layer of an
artery.
19.________________ is the ability of a blood vessel to contract.
20.T or F The middle tunic of veins is thicker than that of arteries.