Which Structure Makes Up a Large Percentage of the Anterior

Question

Which structure makes up a large percentage of the anterior (sternocostal)surface of the heart?
A) right atrium
B) left atrium
C) right ventricle
D) left ventricle
E) pulmonary trunk

Accepted Answer

The right ventricle forms a significant portion of the anterior (sternocostal) surface of the heart, lying just beneath the sternum and the ribs.