Mrs. Giles is an 82- year old admitted to the inpatient cardiac unit. Lately, Mrs. Giles has had problems with confusion and has been diagnosed with malnutrition. Identify the interventions that should be implemented by the nurse to prevent pressure ulcer development. Select all that apply Group of answer choices Keep the HOB at 30 degrees or less. Use a moisture barrier ointment on the skin. Position the heels and elbows flat on the mattress. Turn the pt at least every two hours. Use hot water for bathing. Avoid use of antibacterial soaps.