[Solved]: 21- A 44-year-old woman presents with pain and…

21- A 44-year-old woman presents with pain and swelling in her left lower extremity. Ultrasound reveals a left superficial femoral DVT. In the past, she experienced one other episode of DVT, for which she underwent treatment with warfarin for 6 months. She takes no medications except oral contraceptive pills. Her family history is significant in that, last year, a younger sister was diagnosed as having DVT. Which of the following statements is true regarding the treatment of this patient?A. She should again be treated with warfarin for 6 monthsB. She should avoid the use of oral contraceptivesC. She should be tested for factor V Leiden after her anticoagulation ther- apy is terminatedD. All family members need to be screened for factor V Leiden