question: Q:Seven hours after undergoing left hip arthroplasty for chronic hip pain, a 67-year-old woman reports a prickling sensation in her left anteromedial thigh and lower leg. Neurologic examination shows left leg strength 3/5 on hip flexion and 2/5 on knee extension. Patellar reflex is decreased on the left. Sensation to pinprick and light touch are decreased on the anteromedial left thigh as well as medial lower leg. Which of the following is the most likely underlying cause of this patient's symptoms?? 
  {'A': 'Sural nerve injury', 'B': 'Femoral nerve injury', 'C': 'Fibular nerve injury', 'D': 'S1 radiculopathy', 'E': 'L5 radiculopathy\n"'},