Question: A 79-year-old woman is admitted to the hospital because she fractured her hip. History includes hypertension and type 2 diabetes mellitus. On examination, vital signs are normal and Confusion Assessment Method (CAM) screen is negative for delirium. Hemoglobin is 8.5 mg/dL. Which one of the following interventions is most likely to prevent incident delirium? Group of answer choices Low-dose haloperidol prophylaxis Preoperative geriatric consultation Strict avoidance of opiate medication Blood transfusion to goal hemoglobin level of 10 mg/dL