Which of the following is a sign of severe choking in infants?

The indication of severe choking in infants is characterized by the inability to cry or make sounds. When an infant is choking severely, their airway is significantly obstructed, which prevents them from being able to vocalize — including crying, cooing, or even making other sounds. This lack of sound is a critical sign that the infant's airway may be blocked, and immediate action is required to relieve the obstruction.

In contrast, making sounds while coughing, coughing forcefully, or breathing normally represents milder situations or may even indicate that the airway is not completely blocked. Infants who can cough forcefully are often able to create enough pressure to potentially dislodge the object causing the blockage. Normal breathing also implies that the airway is clear enough for air to pass, while the ability to make sounds indicates some degree of airflow, which is generally reassuring.

Recognizing these signs is crucial for timely intervention, as severe choking can quickly lead to loss of consciousness and can be life-threatening if not addressed promptly. Understanding these distinctions helps caregivers respond effectively in emergency situations.