Exam 13: The Cardiovascular System: the Heart

During the relaxation period of the cardiac cycle, pressure in the ventricular chambers drop. This change in pressure causes blood to flow from the

Heart murmurs in children are rare and usually are considered life-threatening.

Most of the ventricular filling occurs during which phase of the cardiac cycle?

The cells that make up the conduction system of the heart are specialized _____ cells.

The pericardium is composed of elastic connective tissue, to allow for change in volume of the heart.

Match the vessel with the description. Pulmonary vein:

The pericardial cavity is found between the epicardium and the _____ layer of the serous pericardium.

When auscultating heart sounds, S1 is caused by blood turbulence associated with closure of the _____ valves soon after ventricular _____ begins.

Match the component of the conduction system of the heart with the description. Atrioventricular (AV) bundle (bundle of His):

What is the term for the severe pain that usually accompanies a heart attack?

Which of the following vessels carries blood away from the heart?

Regular exercise can lead to a reduction in all of the following EXCEPT:

Describe the location and the function of each portion of the conduction system during one cardiac cycle (one complete heart contraction).

Match the vessel with the description. Pulmonary vein:

The study of the heart and heart disease is called _____.

The middle cardiac vein in the posterior interventricular sulcus drains the areas supplied by the posterior interventricular branch of the right coronary artery (left and right ventricles).

Most often a heart murmur in an adult indicates a valve disorder.

The pointed end of the heart, the _____, is formed by the tip of the left ventricle and rests on the diaphragm. It is directed anteriorly, inferiorly, and to the left.

Which of the following pairs of terms is/are correctly matched?

Match the component of the conduction system of the heart with the description. Sinoatrial (SA) node: