The RN Observes All of These Actions Being Taken by a Staff

The RN observes all of these actions being taken by a staff nurse who has floated to the unit. Which action requires that the RN intervene?

A) The float nurse obtains burn cultures when the patient has a temperature of 95.2° F.
B) The float nurse calls the health care provider for an insulin order when a nondiabetic patient has an elevated serum glucose.
C) The float nurse administers as-needed fentanyl (Sublimaze) IV to a patient 5 minutes before a dressing change.
D) The float nurse lowers room temperature to 76° F during the dressing change of a patient with large burns.