The Nurse Is Caring for a Mechanically Ventilated Patient and Is

The nurse is caring for a mechanically ventilated patient and is charting outside the patient's room when the ventilator alarm sounds.What is the priority order for the nurse to complete these actions: _______________,_______________,_______________,_______________?
A)check quickly for possible causes of the alarm that can be fixed
B)after troubleshooting, connect back to mechanical ventilator and reassess patient
C)go to patient's bedside
D)manually ventilate the patient while getting a respiratory therapist