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. A client with right-sided heart failure and 4+ edema is at risk for pressure ulcers due to fluid accumulation, which can impair circulation and increase the likelihood of skin breakdown. B. A client who is ambulatory is at a low risk for pressure ulcers because frequent movement reduces the risk of prolonged pressure on any one area. C. A client with type 1 diabetes mellitus and hyperglycemia is at risk for pressure ulcers because high blood glucose levels can impair wound healing and affect skin integrity. D. A client with protein-calorie malnutrition is at a significant risk for pressure ulcers due to inadequate nutrition, which weakens the skin and impairs the body’s ability to repair tissue damage. E. A client with postoperative delirium may have decreased mobility and cognitive awareness, making it harder for them to reposition themselves, thereby increasing their risk of pressure ulcers.