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.)

A client who has right-sided heart failure and 4+ edema to the lower extremities

A client who is ambulatory following a cardiac catheterization 4 hr ago

A client who has type 1 diabetes mellitus and is hyperglycemic

A client who has protein calorie malnutrition

A client who has postoperative delirium