Final answer:
The first step of giving ventilations for an infant is to check the responsiveness of the infant.
Step-by-step explanation:
The first step of giving ventilations for an infant is to check the responsiveness of the infant. This involves gently tapping the infant's foot or shoulder and shouting their name or tapping their shoulder. If the infant is unresponsive, additional steps must be taken, including opening the infant's airway, giving breaths, and placing the infant in the recovery position.