A client with type 1 diabetes mellitus calls the home care nurse and reports taking a morning dose of 70/30 insulin before realizing they have a stomach virus and are now unable to eat breakfast due to nausea. Which initial instruction should the nurse provide the client?

Drink regular colas frequently throughout the day until the nausea subsides.

Do not inject any additional insulin until solid food can be tolerated.

Go to the emergency room as soon as possible for glucose administration.

Continue to monitor blood glucose levels and drink fluids as tolerated.