A Diabetic Client with the Flu Asks Why He Should

A diabetic client with the flu asks why he should drink juices, check his finger stick glucose every 4 hours, and take insulin when he is not eating and is vomiting. Which of the following would be the best explanation by the nurse?

A) He needs to prevent dehydration, excessive breakdown of fats for glucose, and monitor for hyperglycemia.
B) He needs to check his blood glucose because vomiting could cause hypoglycemia and drinking fluids will prevent dehydration.
C) His body uses protein for energy when he is sick, causing increased ketones and hypoglycemia.
D) If he could substitute water for the juices to prevent dehydration, then he would not need to check his blood glucose levels so often