Exam 14: The Heart

Match each structure in the heart with its corresponding description or function. -blood vessel into which blood that has flowed from the right ventricle and passed through a valve enters next

A heart rate less than 55 beats per minute indicates bradycardia.

Match each structure in the heart with its corresponding description or function. -heart chamber into which blood returning from the lungs enters

A mitral valve prolapse is an example of an incompetent atrioventricular valve.

Match each structure in the heart with its corresponding description or function. -blood vessel that empties into the right atrium

The second heart sound is caused by the closing of the _____ valve(s).

Match each structure in the heart with its corresponding description or function. -heart chamber that pumps blood through the aortic semilunar valve

Which of the following is not true of ventricles?

Right-sided heart failure can lead to pulmonary edema.

The semilunar valves separate the atria from the ventricles.

Explain why extreme tachycardia might prevent the heart muscle from getting the blood supply that it needs.

The bicuspid or mitral valve is the valve

Match each structure in the heart with its corresponding description or function. -valve that prevents blood from backing up into the right atrium

There is always a small amount of fluid between the visceral and parietal pericardium,but if too much fluid accumulates,the accumulation can lead to a serious condition called cardiac tamponade.

The force that pushes the blood through pulmonary circulation is the right atrium.