Exam 12: The Heart

The ____________________ valve prevents backflow of blood from the right ventricle to the right atrium.

In the cardiac cycle, which statement is true of blood flow from the ventricles to the arteries?

In the cardiac cycle, which statement is true?

The general function of the valves of the heart is to:

The pericardial membranes, in order beginning with the outermost, are the:

Cardiac output is the amount of blood pumped by the left ventricle in ____________________.

The fibrous pericardium:

The part of the heart that initiates each beat is the ____________________, which is located in the ____________________.

The percent of the blood in a ventricle that is pumped out during systole is called the ____________________.

The amount of blood pumped by a ventricle in one beat is called the:

If stroke volume is 80 mL and pulse is 70 bpm, then cardiac output is ____________________.

The endocardium is the ____________________ of the heart, and its function is to ____________________.

The sensory nerves for the aortic sinus and body are the ____________________ nerves.

In the cardiac cycle, the most important pumping of blood occurs from the ____________________ to the ____________________.

The heart rate is decreased by:

If stroke volume is 75 mL and pulse is 70 bpm, what is cardiac output?

As the heart beats, friction between the pericardial membranes is prevented by:

The ejection fraction of the heart is the percent of the:

The pulmonary veins return blood from the ____________________ to the ____________________ of the heart.

The part of the brain that regulates heart rate is the ____________________.