A nurse is providing teaching for a client who has a new diagnosis of type 1 diabetes mellitus about sick-day roles which information should the nurse include?

"Call your provider if you have a fever for more than 24 hours."

"Skip a meal if you are nauseous and vomiting."

"Test your urine for ketones if your blood glucose is greater than 280 mg/dL (74 to 106 mg/dL

"Check your blood glucose 4 times a day."