Problem: A 63-year-old man with a history of a cholecystectomy and appendectomy presents with abdominal cramping, vomiting, and decreased bowel movements. Bowel sounds are decreased. Which of the following is true regarding this patient? Need Assignment Help? A. Abdominal X-ray can be used to rule out the diagnosis B. CT scan of the abdomen is highly specific for this diagnosis C. Serum lactate is highly sensitive early on in patients with this diagnosis D. Serum white blood count is always elevated in this diagnosis