Quiz on Heart Chambers and Valves

What are the two upper heart chambers called?

• Atria and Septum

• Atria and Atrium

• Auricles and Ventricles

• Atria and Auricles

What separates the left heart chambers from the right?

• Interventricular Septum

• Pectinate Muscles

• Interatrial Septum

• Crista Terminalis

Which groove encircles the junction of the atria and ventricles like a crown?

• Posterior Interventricular Sulcus

• Anterior Interventricular Sulcus

• Interventricular Sulcus

• Coronary Sulcus

Which veins enter the right atrium?

• Superior Vena Cava, Inferior Vena Cava, Coronary Sinus

• Pulmonary Veins

• Aorta

• Pulmonary Trunk

Where does the right ventricle pump blood into?

• Pulmonary Trunk

• Aorta

• Superior Vena Cava

• Inferior Vena Cava

How many valves guard the bases of the large arteries issuing from the ventricles?

• Five

• Four

• Three

• Two

What prevents backflow into the atria when the ventricles are contracting?

• Chordae Tendineae

• Papillary Muscles

• Trabeculae Carneae

• Semilunar Valves

What is the function of the semilunar valves?

• Guard the bases of the large arteries

• Push blood into the ventricles

• Prevent backflow into the atria

• Increase atrial volume

What is the term for the narrowing of valves?

• Sulcus

• Fossa Ovalis

• Septum

• Stenosis