Final answer:
A priority nursing assessment when a patient has a compression dressing for an ankle sprain is to monitor for signs and symptoms of local or systemic infections.
Step-by-step explanation:
A priority nursing assessment when a patient has been provided with a compression dressing for an ankle sprain is to monitor for signs and symptoms of local or systemic infections. This is important because wounds can become infected, leading to delayed healing and potential complications. Nurses should assess for signs such as increased redness, swelling, warmth, pain, and presence of pus or drainage, as well as systemic symptoms like fever, fatigue, and elevated white blood cell count.