Question 1: Veins differ from ________ in structure and function; for example, arteries are more muscular than veins and they carry blood away from the heart.
Question 2: The precise location of veins is much more variable from person to person than that of ________.
Question 3: Deep vein thrombosis is a condition where a blood clot forms in a deep vein, which can lead to ________ and chronic venous insufficiency.
Question 4: Postphlebitic syndrome is venous insufficiency that develops following ________.
Question 5: The de-oxygenated blood is taken by veins to the right atrium of the heart, which transfers the blood to the right ventricle, where it is then pumped through the pulmonary arteries to the ________.
Question 6: Veins generally function to return deoxygenated blood to the ________, and are essentially tubes that collapse when their lumens are not filled with blood.
Question 7: Venous insufficiency is the most common disorder of the venous system, and is usually manifested as spider veins or ________.
Question 8: Incompetence of this vein is an important cause of ________ of lower limbs.
Question 9: In the circulatory system, veins (from the Latin vena) are blood vessels that carry ________ towards the heart.
Question 10: Deeper are bands of ________ called tunica media, which are generally thin as veins do not function primarily in a contractile manner.
Question 11: Most veins have one-way flaps called venous valves that prevent blood from flowing back and pooling in the lower extremities due to the effects of ________.
Question 12: A portal venous system is a series of veins or venules that directly connect two ________.
Question 13: Treatment can include radiofrequency ablation, vein stripping, ambulatory phlebectomy, foam sclerotherapy, ________, or compression.