The nurse is caring for a group of clients. Which client should the nurse identify as having the greatest risk of developing a pressure ulcer?

A 69-year-old client with hypertension who can turn and reposition independently

A 76-year-old client with dementia who requires assistance with all activities of daily living

A 45-year-old client who is ambulatory admitted to the hospital for a broken arm

A 56-year-old client, postoperative day two in the chair following their knee replacement