Exam 13: Cardiovascular System

During long flights, it is recommended that you move your foot up and down periodically, forcing contractions of the muscles in the calf. How would this help with circulation?

Contraction of the heart is called __________.

Arteries are strong, elastic vessels that carry blood to the heart.

Which of the following is not a risk factor for atherosclerosis?

In an ECG pattern, what event is represented by the T wave?

What artery has branches called the gastric, hepatic, and splenic arteries?

The top of the heart is called the base, and the pointed bottom of the heart is called the apex.

What effect does an excess of potassium have on the heart?

How does heart rate affect blood pressure?

The cardiac conduction system is composed of a network of nerve fibers beginning with the sinoatrial (SA) node.

Normal heart rate is closest to which range?

The __________ circuit sends oxygen-rich blood from the heart to all cells of the body, removes carbon dioxide and other wastes, and returns blood to the heart.

The aorta is part ofthe __________ circuit.

There is/are __________ brachiocephalic trunk(s) and __________ brachiocephalic vein(s).

Blood is supplied to the myocardium by means of the __________ arteries.

The painful condition known as angina pectoris comes from a blockage in an artery that supplies what region?

When the left ventricle contracts, blood passes into the __________.

Closure of the heart's four valves create the lubb-duppsounds of a heartbeat.

The alternating systolic and diastolic blood pressure can be palpated and is known as __________.

Which of the following represents the correct sequence of structures through which blood moves from the venae cavae to the lungs?