A&P Chapter 20 Flashcards

Artery is to ________ as vein is to ________

The heart beats approximately ________ times each day.

The heart pumps approximately ________ liters of blood each day.

Excess fluid in the ________ causes cardiac tamponade.

Tetanic muscle contractions don't occur in normal cardiac muscle because:

The adult heart is roughly the size of:

Which of the following descriptions matches the term near the left fifth intercostal space?

The term used to describe fluid collecting in the pericardial cavity that restricts the movement of the heart is known as:

The interventricular sulci and coronary sulcus:

The structure that permits blood flow from the right atrium to the left atrium in fetal circulation is the:

Blood leaves the right ventricle by passing through the:

Intercalated discs serve to transfer ________ from cell to cell.

Cardiac muscle cells and skeletal muscle cells differ in several ways. Which of the following is not one of them?

The atrioventricular valves permit blood flow:

Blood returning to the heart from the systemic circuit first enters the:

Blood returning to the heart from the pulmonary circuit first enters the:

The earlike extension of the atrium is the:

The coronary sulcus is a groove that:

In the middle of the thoracic cavity is a region occupied by the heart, great vessels, thymus, esophagus, and trachea called the:

The cusps (leaflets) of atrioventricular valves attach directly to:

Contractions of the papillary muscles:

The visceral pericardium is the same as the:

Most of the middle layer in the heart wall is composed of:

The right ventricle pumps blood to the:

The left ventricle pumps blood to the:

The right atrium receives blood from the:

In order to perform a coronary artery bypass graft, a cardiac surgeon must:

When a blood clot forms on a ruptured plaque in a coronary artery, the condition is referred to as a(n):

Cardiac cells damaged by infarction will show which of the following?

Blood flowing into the heart from the venae cavae flows next through the ________ valve.

As blood leaves the right ventricle, it passes through the ________ and then into the pulmonary trunk.

Coronary veins empty into the:

There are ________ pulmonary veins.

Rupture of the papillary muscles in the left ventricle may result in:

When the semilunar valves close, the AV valves then:

The ________ deliver(s) blood to the myocardium.

The connective tissue fibers of the myocardium:

Blood is supplied to the muscular wall of the left atrium by the:

The pulmonary semilunar valve prevents backward flow into the:

The bicuspid or mitral valve is located:

The ________ valve prevents backward flow into the left atrium.

The function of an atrium is to:

Compared to the right ventricle, the left ventricle has all the following characteristics except:

Which of the following are involved in the pulmonary circuit?

The right pulmonary veins carry ________ blood to the ________.

The following is a list of vessels and structures that are associated with the heart. What is the correct order for the flow of blood entering from the systemic circulation?

The pulmonary arteries carry blood to the:

The pulmonary veins carry blood to the:

The foramen ovale in the fetal heart is located in the:

Blood is supplied to the myocardium by:

The first blood vessels to branch from the aorta are the ________ arteries.

The marginal branch and posterior interventricular branch are branches of the:

The circumflex branch and the anterior interventricular artery are branches of the:

The great and middle cardiac veins drain blood into the:

The superior portion of the heart where major blood vessels enter and exit is the:

An equivalent term for epicardium is:

The wall of the ________ rests on the diaphragm.

The space between the pleural cavities is called the:

Pericardial fluid:

The ________ is shared by the two ventricles.

The ________ circuit carries blood to and from the lungs.

The ________ circuit carries blood from the aorta to the right ventricle.

The muscle layer of the heart is the:

________ is the symptom generally brought on by coronary ischemia.

Which of the following statements is true regarding cardiac muscle?

The coronary sinus drains the ________ into the ________.

Which of the following statements is true concerning differences between the right and left ventricles?