Which term describes an incident with more than 25 patients?

Which term describes an incident with more than 25 patients?

• A. Mass casualty incident
• B. Multi-patient incident
• C. Major medical incident
• D. Critical incident

Answer: (A)

This question tests recognizing when the number of patients shifts a response from routine to a mass-scale operation. A mass casualty incident is used when the patient load overwhelms on-scene resources, requiring an expanded response, incident command, triage, and often mutual aid. The threshold of more than 25 patients is a commonly cited point at which responders switch to mass casualty protocols, because it signals that standard EMS resources will be insufficient without additional support and a coordinated plan. The other terms refer to multi-patient situations or generic events, but they don’t specifically denote the resource-straining scale that triggers mass casualty procedures. So, the term that best describes an incident with more than 25 patients is mass casualty incident.

This question tests recognizing when the number of patients shifts a response from routine to a mass-scale operation. A mass casualty incident is used when the patient load overwhelms on-scene resources, requiring an expanded response, incident command, triage, and often mutual aid. The threshold of more than 25 patients is a commonly cited point at which responders switch to mass casualty protocols, because it signals that standard EMS resources will be insufficient without additional support and a coordinated plan. The other terms refer to multi-patient situations or generic events, but they don’t specifically denote the resource-straining scale that triggers mass casualty procedures. So, the term that best describes an incident with more than 25 patients is mass casualty incident.