Cardiovascular System Quiz

Which circuit results in thin-walled atria?

• Systemic circuit

• Pulmonary circuit

• Coronary circuit

• Lymphatic circuit

Which chamber of the heart receives deoxygenated blood from the body tissues?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

Which veins empty into the right atrium?

• Pulmonary veins

• Coronary sinus

• Superior vena cava

• All of the above

Which chamber is located anteroinferiorly?

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

Which veins return blood from regions above the diaphragm?

• Inferior vena cava

• Superior vena cava

• Coronary sinus

• Pulmonary veins

What is the direction of blood flow in the left ventricle?

• Into the pulmonary trunk

• Into the aorta

• Into the right atrium

• Into the coronary sinus

What is the role of the superior vena cava?

• Returns blood from regions above the diaphragm

• Returns blood from regions below the diaphragm

• Pumps blood into the aorta

• Filters blood in the kidneys

Which chamber of the heart pumps blood into the pulmonary trunk?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What is the function of the trabeculae carneae?

• Increase atrial volume

• Provide ridges of muscle on ventricular walls

• Separate ventricles

• Anchor heart valves

Which chamber of the heart pumps blood into the aorta?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle