A&p Ch. 18 - Heart & Cardiovascular Function

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A&p Ch. 18 - Heart & Cardiovascular Function - Quiz

The heart is more than just an instrument of love – it’s the most important organ in our bodies, beating blood all around and ensuring we keep ticking away like a fully functioning clock. What do you know about it? Take this quiz on A&P Ch. 18 – Heart & Cardiovascular Function now!

Questions and Answers

A&p Ch. 18 - Heart & Cardiovascular Function

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

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

Intercalated discs serve to transfer ________ from cell to cell.

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

The visceral pericardium is the same as the

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

The earlike extension of the atrium is the

The coronary sulcus is a groove that

There are ________ pulmonary veins.

The interventricular sulci and coronary sulcus contain

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 ________ deliver(s) blood to the myocardium.

Blood is supplied to the left atrium by the

Coronary veins empty into the

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 atrioventricular valves permit blood flow

Blood leaves the right ventricle by passing through the

The cusps (leaflets) of atrioventricular valves attach directly to

The right ventricle pumps blood to the

The left ventricle pumps blood to the

The right atrium receives blood from the

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.

The function of the atrium is to

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

The pulmonary arteries carry blood to the

The pulmonary veins carry blood to the

Use Figure 18-1 to answer the following questions: 34) Identify the structure labeled "19."

Use Figure 18-1 to answer the following questions: Identify the structure labeled "8."

Use Figure 18-1 to answer the following questions: Identify the structure labeled "6."

Use Figure 18-1 to answer the following questions: Identify the structure labeled "21."

Use Figure 18-1 to answer the following questions: Which chamber receives oxygenated blood from the pulmonary circuit?

The foramen ovale in the fetal heart is located in the

The wall of the left ventricle is thicker than the right because

The ________ ventricle has a greater workload than the ________.

Contractions of the papillary muscles

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.

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

When the semilunar valves close, the AV valves then

If a patient's tricuspid valve was leaking during systole, what would happen?

David suffers from a prolapsed mitral valve. This condition would cause

Complications related to arteriosclerosis account for roughly ________ percent of deaths in the United States.

The ventricle has a greater workload than the .