You are preparing to give ventilations to a 5-year-old child using a resuscitation mask. you should give 1 ventilation about every:

You should give one ventilation about every THREE SECONDS. Ventilation is the process by which a rescuer assist and stimulate respiration in an unconscious person by filling the lungs of the person with air. In a five year old, ventilation should be performed every 3 seconds. 

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