A 47 year-old patient has been in cardiac arrest for six minutes. Prior to checking the heart rhythm with the AED, the EMT and his partner must:
a. perform CPR at a ratio of 30 ventilations to two compressions.
b. administer cardiopulmonary resuscitation for one minute.
c. provide five cycles of chest compressions and ventilations.
d. perform a primary and secondary assessment.
Answer: C