The Nurse Is Teaching the Anatomy of Venous System While

The nurse is teaching the anatomy of venous system while counseling a patient of venous insufficiency. What are the important parts of venous system about which the nurse should teach them?

A) About all the veins except valves
B) Only the deep venous system
C) Only the superficial venous system
D) About all the four general areas of the venous system namely superficial venous system, communicating venous system, deep venous system, venous valves