Heart Anatomy Quiz

Venous blood from the heart wall enters the right atrium through the

• superior vena cava.

• coronary sinus.

• inferior vena cava.

• pulmonary veins.

The pericardial cavity is located between the

• fibrous pericardium and the parietal layer of the serous pericardium.

• parietal and visceral layers of the serous pericardium.

• visceral layer of the serous pericardium and the epicardium.

• myocardium and the visceral layer of the serous pericardium.

When the ventricles contract, all of the following occur except

• closing of the AV valves.

• blood ejecting into the pulmonary trunk and aorta.

• closing of the semilunar valves.

• opening of the semilunar valves.

The thickest part of the heart wall is the

• pericardium.

• epicardium.

• myocardium.

• endocardium.

Which of the following is the correct circulatory sequence for blood to pass through part of the heart?

• R. atrium → right AV valve → R. ventricle → pulmonary semilunar valve

• R. atrium → left AV valve → R. ventricle → pulmonary semilunar valve

• L. atrium → right AV valve → L. ventricle → aortic semilunar valve

• L. atrium → left AV valve → L. ventricle → pulmonary semilunar valve