Anatomy of the Heart Quiz

What is the space between serous layers containing lubricating fluid called?

• Pericardial Cavity

• Cardiac Skeleton

• Atria

• Ventricles

What is the connective tissue network reinforcing the heart internally?

• Cardiac Skeleton

• Semilunar Valves

• Incompetent Valve

• Stenotic Valve

What is the central cavity of the thorax where the heart is located?

• Pericardium Layers

• Mediastinum

• Heart Wall Layers

• Papillary Muscles

What are the tendons anchoring AV valve cusps to papillary muscles called?

• Chordae Tendineae

• Pericardium Layers

• Cardiac Skeleton

• Auricles

What is the valve failing to close completely, causing blood regurgitation?

• AV Valves

• Semilunar Valves

• Incompetent Valve

• Stenotic Valve

Which layer of the heart wall contains cardiac muscle tissue?

• Epicardium

• Myocardium

• Endocardium

• Pericardium

What is the function of the SA node in the heart?

• Regulate blood pressure

• Initiate the heartbeat

• Close the heart valves

• Filter blood

What structure separates the left and right ventricles of the heart?

• Interventricular septum

• Atrial septum

• Valve leaflets

• Chordae tendineae