Chapter 18 DSM

What is the purpose of the chordae tendineae?

Anchor the AV valves in the closed position

Indicate the valve separating the following areas of the heart: Left ventricle and aorta.

Aortic semilunar valve

Match the area of the heart with the "exit" through which the blood leaves: Left ventricle.

Aortic semilunar valve

Indicate the valve separating the following areas of the heart: Left atrium and left ventricle.

Bicuspid (mitral) valve

What makes the heart valves open and close?

Blood pressure

Failure of which heart valve would allow blood to move from the left ventricle to the left atrium?

Mitral (bicuspid) valve

Match the area of the heart with the "exit" through which the blood leaves: Left atrium.

Mitral (bicuspid) valve

Which of the following valves is most often faulty in the heart?

The mitral, or bicuspid, valve

Indicate the valve separating the following areas of the heart: Right atrium and right ventricle.

Tricuspid valve

Match the area of the heart with the "exit" through which the blood leaves: Right atrium.

Tricuspid valve

The __________ are attached to the AV valve flaps.

chordae tendineae

When the mitral valve closes, it prevents the backflow of blood from the __________.

left ventricle into the left atrium

A condition in which the valve flaps of the heart become stiff and constrict the opening is called _________.

stenosis

Match the area of the heart with the "exit" through which the blood leaves: Right ventricle.

Pulmonary semilunar valve

What muscles prevent the atrioventricular valves from everting during ventricular contraction?

Papillary muscles

Match the following term with its correct description: Aortic semilunar valve.

Prevents backflow of blood into the left ventricle

Match the following term with its correct description: Pulmonary semilunar valve.

Prevents backflow of blood into the right ventricle

Indicate the valve separating the following areas of the heart: Right ventricle and pulmonary trunk.

Pulmonary semilunar valve

Match the following term with its correct description: Mitral valve.

Valve between the left atrium and left ventricle

Match the following term with its correct description: Tricuspid valve.

Valve between the right atrium and right ventricle