question: Q:A 67-year-old male presents with left hip pain. Examination reveals mild effusions in both knees, with crepitus in both patellofemoral joints. He states his hearing has worsened recently and that he feels like his hats don't fit anymore. Bone scan reveals diffuse uptake in the calvarium, right proximal femur, and left ilium. Which of the following laboratory abnormalities would be expected in this patient?? 
  {'A': 'Decreased serum alkaline phosphatase', 'B': 'Increased serum alkaline phosphatase', 'C': 'Decreased serum parathyroid hormone', 'D': 'Increased serum parathyroid hormone', 'E': 'Increased serum calcium'},