Respiratory arrest represents the sudden stopping of lung function and is also known as asphyxia. Victims of an accident can suffer respiratory arrest, which can be caused, for example, by obstruction of the airways (nose and mouth). To check if the victim is breathing, a sheet of paper can be used, placed above the nostrils; it will move if there is breathing. Alternatively, a mirror placed in front of the mouth or nostrils will become fogged if the victim is breathing.
The correct answer is: C
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