The Nurse Hears the Cardiac Monitor Alarm and Notes That

The nurse hears the cardiac monitor alarm and notes that the patient has a cardiac pattern of undulations of varying contours and amplitude with no measurable ECG pattern. The patient is unconscious with no pulse or respirations. After calling for assistance, the nurse should

A) start basic cardiopulmonary resuscitation (CPR) .
B) administer an IV bolus dose of epinephrine.
C) prepare the patient for endotracheal intubation.
D) wait for the defibrillator to arrive.