Exam 20: The Heart

Apatient's ECG recording shows a very long P-R interval. What is the cause of this abnormal wave pattern?

Contractions of the papillary muscles

________ is the symptom generally brought on by coronary ischemia.

In cardiac muscle, the fast depolarization phase of the action potential is the result of

If the connection between the SA node and AV node becomes blocked,

End-systolic volume is defined as the

An MI that affects the ________ side of the heart is more severe because it has to pump blood with ________force.

The term ________ refers to blockage in the coronary circulation.

Figure 20-1 The Heart Use Figure 20-1 to answer the following questions: -Identify the structure labeled "6."

The heart spends most of the cardiac cycle in which phase?

In-Text Figure Based Questions -Beginning with the right atrium, what is the order of the valves through which blood will pass? (Figure 20-5)

The pulmonary arteries carry blood to the

Rheumatic fever causes generalized inflammation of the heart called

The superior portion of the heart where major blood vessels enter and exit is the

Blood leaves the right ventricle by passing through the

The foramen ovale in the fetal heart is located in the

A faster-than-normal heart rate is called

Depolarization of the atria corresponds to the EKG's

In mitral valve prolapse, the cusps of the mitral valve are pushed into the

Abnormal heart sounds caused by turbulent flow through faulty valves are called