Final answer:
The priority nursing assessment for a large-for-gestational age infant with Apgar scores of 8 and 9 is for hypoglycemia.
Step-by-step explanation:
The priority nursing assessment for a large-for-gestational age infant with Apgar scores of 8 and 9 would be for hypoglycemia. While all the answer choices are important assessments for newborns, hypoglycemia is a common concern for large babies as they may experience increased insulin production in response to high blood sugar levels during pregnancy. This can lead to low blood sugar levels after birth, requiring close monitoring and possible intervention to prevent complications.