Q. In an adult with an advanced Airway in place during 2 rescuer CPR, breaths should be administered how often?

(a) Every 6-8 seconds (8-10 breaths per minutes)
(b)  Every 2-3 seconds (20-30 breaths per minutes)
(c)  Every 10-12 seconds (5-6 breaths per minutes)
(d)  Every 4-5 seconds (12-15 breaths per minutes)