Which of the following is due to dilated veins,causing their valves to become incompetent?

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Quizplus · Accepted Answer

Varicose veins are caused by dilated veins, which can result in valves becoming incompetent and allowing blood to flow backwards and pool in the veins. Thromboangiitis obliterans is a disease that affects the arteries, not veins. Hemangioma is a type of benign tumor made up of blood vessels, and anemia is a condition of low red blood cell count. None of these are related to the dilation of veins causing incompetence of valves.

Which of the Following Is Due to Dilated Veins,causing Their