Exam 12: The Heart

The outermost of the pericardial membranes is the ____________________ pericardium.

The electrical activity of the heart may be seen in a tracing called a(n) ____________________.

The inner layer of the pericardial membranes is the:

Which statement is true of the left side of the heart?

The heart rate is increased by impulses carried by ____________________ nerves.

The ____________________ returns blood from the upper body to the right atrium.

A certain level of cardiac output is needed at all times to maintain a normal ____________________ and to deliver sufficient ____________________ to all tissues.

The lining of the chambers of the heart is the ____________________.

The fibrous skeleton of the heart:

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

A marathon runner has a resting cardiac output of 4600 mL and a stroke volume of 115 mL. What is the pulse?

In the cardiac cycle, some passive blood flow occurs from the ____________________ to the ____________________.

The epicardium is another name for the:

The function of the serous fluid of the pericardial membranes is to ____________________.

The aorta takes blood from the ____________________ ventricle to the ____________________.

To calculate cardiac output, multiply ____________________ times ____________________.

The amount of blood pumped by a ventricle in one beat is called ____________________.

The innermost of the pericardial membranes is the ____________________ pericardium.

The general function of all the valves of the heart is to ____________________.

Which sequence correctly describes blood flow?