Make Waves and Master the Lifeguard Test 2025 – Dive into Success!

If the infant is crying uncontrollably, it is a clear indication that their airway is open and not obstructed. This is because crying requires air to pass through the vocal cords, which means that the airway must be clear. Option B is incorrect because if the infant is not breathing, it is likely that their airway is obstructed. Option C is also incorrect because an infant's inability to speak is not a reliable indicator of their airway's condition. Option D is incorrect because if the infant's chest is not rising and falling, it is a sign that their airway is obstructed.