Exam 19: The Heart

The congenital heart defect in which the pulmonary trunk is narrowed, the right ventricle is hypertrophied, the interventricular septum is incomplete, and the aorta is connected to both ventricles is called ________.

Cells of the subendocardial conducting network

Inflammation of the heart's myocardium is called ________.

The auricles are

Which structure develops from the embryological chamber called the bulbus cordis?

The region between the right and left pleural cavities is the

Oxygen-rich blood returning from the lungs enters the left atrium through two right and two left pulmonary veins.

Describe the function of the cardiac skeleton of the heart.

The technique called ________ uses a balloon catheter to expand stenotic coronary arteries.

Valve responsible for preventing backflow of blood from the lungs into the heart.

The small cardiac vein lies on the

Use the diagram above to answer the following questions. -Identify the letter that indicates the left atrioventricular valve.

The right and left coronary arteries arise from the descending aorta.

At which corner point of the heart does one listen for the sound of the closing aortic semilunar valve?

Which of the following statements about fetal heart development is false?

Describe how the arrangement of cardiac muscle bundles "squeezes" the blood from the heart.

Use the diagram above to answer the following questions. -Identify the letter that indicates the left common carotid artery.

The foramen ovale in the fetal heart gives rise to the

A heart valve that fails to close properly is considered to be ________ or to exhibit insufficiency.

The electrical event that begins each heartbeat occurs at the sinoatrial (SA) node.