Which client conditions are categorized under class III according to the disaster triage tag system?

In the disaster triage tag system, class III is designated for clients who are considered to have "least urgent" or "non-critical" conditions. This classification is used during mass casualty incidents to prioritize care and resource allocation.

The correct option includes a sprained hand and contusions on the legs, both of which typically do not require immediate or life-saving interventions. These types of injuries are often manageable and do not pose an immediate threat to the individual's life. Therefore, patients with these conditions can afford to wait for treatment until more critical cases are addressed.

In contrast, the other options present conditions that generally involve a greater level of severity. Myocardial infarction and stroke, for example, require urgent medical attention due to their life-threatening nature. Severe abdominal pain and head trauma could suggest life-threatening internal injuries or potential neurological damage, needing immediate action. Lastly, a fractured femur and multiple lacerations may also indicate serious trauma, demanding prompt medical intervention. Thus, class III is specifically for those conditions that are stable enough to allow for delayed treatment.