At the Onset of Adult Mouth-To-Mouth Ventilation, What Should the Practitioner

At the onset of adult mouth-to-mouth ventilation, what should the practitioner provide?

A) two 700- to 1000-ml breaths (1 second each) , with deflation pause
B) two 400- to 700-ml breaths ( $\frac { 1 } { 2 }$ to 1.0 second each) , without deflation pause
C) four 400- to 700-ml breaths ( $\frac { 1 } { 2 }$ to 1.0 second each) , with deflation pause
D) two 700- to 1000-ml breaths (1 second each) , without deflation pause