Which of the following is more common in children than in adults following a head injury?

Nausea and vomiting are more commonly reported symptoms in children following a head injury compared to adults. This can be attributed to a variety of factors, including the physiological differences between children and adults, particularly in how a child's immature brain responds to injury. The developing brain may be more susceptible to disturbances in intracranial pressure and may react with nausea and vomiting more frequently as part of the body's response to the trauma incurred.

In pediatric populations, these symptoms may not only arise from the direct impact of the injury but also from the emotional and psychological stress associated with trauma. Additionally, since children may have difficulty articulating their symptoms or may not fully understand what they're experiencing, caregivers and healthcare professionals often observe nausea and vomiting more frequently as indicators of distress or injury after head trauma.

In comparison, while dizziness, loss of consciousness, and memory loss can occur in both children and adults after a head injury, they are not as distinctly prevalent in children as nausea and vomiting. Thus, this makes the presence of nausea and vomiting a distinctive symptom, highlighting the importance of careful observation for these signs following a pediatric head injury.