While Preparing a Client for the Oral Glucose Tolerance Test

While preparing a client for the oral glucose tolerance test (OGTT) , the nurse asks the client to ingest soda that contains 80 g of carbohydrates. After 2 hours, the nurse measures the postprandial blood glucose level and concludes that the client has diabetes mellitus. Which blood glucose finding supports the nurse's conclusion? 1.160 mg/dL

A) 190 mg/dL
B) 250 mg/dL
C) 100 mg/dL