The nurse intervenes if the provider attempts to remove which article of personal protective equipment first after contact with the patient with active tuberculosis?

The nurse is assigned to a 55-year-old patient admitted for diabetic ketoacidosis. The provider writes the patient’s insulin regimen on the admission orders as follows, - “insulin NPH 25 IU.” Which action by the nurse is most appropriate? 

The charge nurse is making patient assignments for the unit, including one patient with disseminated varicella zoster virus infection. Which question is most important to ask the nurses when making assignments?