A nurse is providing care for four clients on a medical-surgical unit, Which of the following clients should the nurse identify as being at risk for the development of pressure ulcers? (Select all that apply.)

E A client who is ambulatory following a cardiac catheterization 4 hr ago A A client who has protein calorie malnutrition B A client who has type1 diabetes mellitus and is hyperglycemic C A client who has right-sided heart failure and 4+ edema to the lower extremities D A client who has postoperative delirium