Exam 20: The Heart

One possible consequence of untreated strep throat is a disease causing inflammation of heart called

The ________ circuit carries blood from the aorta to the right ventricle.

Figure 20-2 Cardiac Cycle Use Figure 20-2 to answer the following questions: -What occurs at the circle labeled "7" on the graph?

A procedure in which a length of the patient's vein or artery is used to create a detour around an obstruction in a coronary artery is called

The left ventricle pumps blood to the

When a blood clot forms on a ruptured plaque in a coronary artery, the condition is referred to as a(n)

The contraction phase of the cardiac cycle is called

The structures responsible for distributing excitation to the contractile cells are

If the force of ventricular contraction increases, what will happen to the end-systolic volume?

The first heart sound ("lubb") is associated with

An increase in the rate of action potentials from baroreceptors will trigger a reflex to

A fine tubular wire mesh called a ________ may be inserted into a coronary vessel, holding it open.

In the middle of the thoracic cavity is a region occupied by the heart, great vessels, thymus, esophagus, and trachea called the

Which factor directly influences preload?

The ________ valve prevents backward flow into the left atrium.

Adoctor tells her nursing students that it is important to monitor patients' blood pressure when they are receiving verapamil (a calcium channel blocker). Why?

Figure 20-2 Cardiac Cycle Use Figure 20-2 to answer the following questions: -What occurs at the area labeled "B" on the graph?

Which of the following is not true regarding the right atrioventricular valve?

The phase in the cardiac cycle when the mitral valve is closed and the aortic valve is open is the

The right atrium receives blood from all of the following structures except the