Which of the following indicates that your artificial breaths are adequate? 1 The seal on the barrier device leaks air whenever the breath is given. 2 The bag-mask device is connected to oxygen. 3 The...

Which of the following indicates that your artificial breaths are adequate?

1 The seal on the barrier device leaks air whenever the breath is given. 2 The bag-mask device is connected to oxygen. 3 The oral airway is in place. 4 Artificial breathing has enough force to make the chest rise.