The Physician Has Just Visited the Patient and Is About

The physician has just visited the patient and is about to leave.The nurse informs the doctor that the patient has been complaining of intermittent but severe headaches and would like something for the pain.As the doctor is leaving the unit,he tells the nurse to give the patient acetaminophen 650 mg PO as needed,and to call him if it doesn't work.The doctor then leaves.The nurse should:

A) Give the medication, but time the order for when the medication is first given because it was not needed until then
B) Not give the medication until the physician returns to write the order
C) Document the order as a verbal, and document the time the order was given
D) Report to the next shift that the patient is having headaches so that staff can call the doctor and get the telephone order