MDCAT Biology MCQ #2125

A 60-year-old man has varicose veins. Which factor contributes most to their development?

MDCAT Biology MCQ #2125

  1. Question 1

    Q1. A 60-year-old man has varicose veins. Which factor contributes most to their development?

    • A) Increased venous tone
    • B) Valvular incompetence
    • C) Decreased venous pressure
    • D) Increased cardiac output

    Answer: Valvular incompetence

    Explanation: Valvular incompetence leads to backflow and venous distension, causing varicose veins.