Exam 13:The Heart-Part B

The diaphragm is __________________ to the heart,and the lungs are __________________ to the heart.

The atria of the heart produce the hormone ___________________ when blood pressure _________________________.

The function of ANP is to increase excretion of _____________ and _____________ by the __________________________.

The __________________ emerges from the left ventricle and takes blood to the ________________.

Within the heart,backflow of blood is prevented by the ______________________.

The aortic and pulmonary semilunar valves close when the ____________________ relax.

During exercise,if cardiac output is 15,000 mL and stroke volume is 120 mL,then pulse is ___________________.

Stroke volume is the amount of blood pumped by a ventricle in ______________________.

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

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

The parts of the cardiac conduction pathway in the ventricles,in order,are the ____________________,________________,and ___________________.

The difference between the resting cardiac output and the maximum cardiac output is called the ___________________________.

The walls of the chambers of the heart are formed by the ___________________________.

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

The carotid and aortic sinuses contain _____________________ to detect changes in ___________________________.

The term systole means ________________________ of the heart chambers.

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

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

The sensory nerves for the carotid sinus and body are the _____________________ nerves.

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