Final answer:
The highest priority and most appropriate nursing diagnosis for a 46-year-old patient experiencing itching, redness, and inflammation of the hands and arms may be Impaired Skin Integrity.
Step-by-step explanation:
The highest priority and most appropriate nursing diagnosis for a 46-year-old patient experiencing itching, redness, and inflammation of the hands and arms may be Impaired Skin Integrity. This diagnosis is focused on the disruption of the skin's normal structure and function due to inflammation and irritation. It includes symptoms such as itching and redness.
In this case, the nursing interventions may include assessing the severity of the symptoms, implementing measures to promote tissue healing and prevent infection, providing education on proper skin care, and monitoring for any signs of complications. It is essential to treat and manage the underlying cause of the symptoms to promote healing and alleviate discomfort.