Which of the Following Situations Would Be Appropriate for the Supervisory

Which of the following situations would be appropriate for the supervisory level of initial direction and/or periodic inspection?

A) Experienced RNs work together to provide care for a group of patients newly diagnosed with meningitis.
B) The RN assigns the LPN tasks within her scope of practice and checks back during the shift to ensure the tasks are completed correctly.
C) A new graduate nurse is assigned care to a male patient with a hematocrit of 11.0 grams of hemoglobin per deciliter and is receiving a blood transfusion. The charge nurse checks on the patient status every 15 to 30 minutes and asks the graduate to explain "next steps."
D) No supervision is necessary since both are registered nurses.