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Which of the following is wrong about the application of artificial respiration in babies?

The first assistant inserts the baby's mouth in the mouth and nose

2 respirations are given, each of which lasts 1 second, until it helps to raise the baby's chest

In the case of a foreign body causing airway obstruction by visual inspection of the mouth, it is removed

The baby is inspected for 1 minute using a Heimlich maneuver, with or without breathing