Which sign might indicate a child is having difficulty breathing?

A child exhibiting head bobbing is a significant indicator of respiratory distress. This occurs when a child is experiencing difficulty breathing due to various potential conditions, such as asthma, pneumonia, or upper airway obstruction. Head bobbing is often a sign that the child is using accessory muscles to breathe, indicating that they're struggling to get enough air.

In contrast, a calm demeanor would typically suggest that the child is not in immediate distress and is managing their breathing adequately. Colorful clothing and fancy toys do not have any relevance to the child's respiratory status; they do not provide information about a child's ability to breathe or their overall health. Therefore, head bobbing serves as a clear and observable sign that warrants further assessment and potentially immediate intervention.