Which of these instructions should the nurse include when preparing a client for a radioactive iodine (I-131) uptake test and treatment for hyperthyroidism?

B You may eat a light breakfast on the morning of the test.' C Expect to stay in the hospital for 24 hours after treatment.' D In the initial 48 hours, avoid contact with children and pregnant women, and flush the commode twice after urination or defecation.' A Avoid taking aspirin for 3 days prior to the test.'