The architecture of the right and left ventricles is very similar. However, the moderator (septomarginal) band is a structure unique to the right ventricle. Which of the following is true of the moderator band?
1. It conveys the marginal artery
2. It is the component of the fibrous skeleton of the heart.
3. It anchors the septal cusp of the tricuspid valve.
4. It conveys the right branch of the atriventricular bundle.
5. It enters the enterior cusp of the pulmonary valve.