Final answer:
In the SBAR communication framework, the "B" stands for "Background," which includes the patient's medical history, admitting diagnosis, and pertinent past interventions; for the given question, the answer would be the information about the patient's fractured leg and cast application.
Step-by-step explanation:
A nurse using the SBAR (Situation, Background, Assessment, Recommendation) communication framework will report the "Background" information to provide context to the patient's current situation. This includes admitting diagnosis, date of admission, relevant medical history, and results of previous tests or treatments. For the question regarding what information the nurse will report for the "B" of SBAR, the correct answer would be (a) The patient has a fractured right leg with a cast that was applied 2 days ago. This choice provides necessary historical context that is pertinent to the patient's current state and prior medical interventions.