What should first responders perform to understand a patient's condition?

The correct choice focuses on the term "assessment," which refers to the comprehensive process first responders use to gather vital information about a patient's condition. Assessment involves not just observing but actively collecting data through various means such as taking vital signs, asking the patient about their symptoms, performing a physical examination, and considering the medical history available. This holistic approach ensures that responders develop a clear and accurate understanding of what the patient is experiencing.

The emphasis on assessment is critical because it informs subsequent actions, treatment decisions, and prioritization of care. A thorough assessment can help first responders identify life-threatening conditions and the urgency of interventions needed.

While evaluation, inspection, and examination are relevant concepts, they encompass narrower aspects. Evaluation can imply making judgments based on gathered data, but it does not capture the comprehensive nature of the process. Inspection is primarily about visually examining a patient's condition, which is just one aspect of the larger assessment. Examination may refer specifically to the physical checks conducted, yet it lacks the broader context of integrating data and history necessary for a full assessment. Therefore, assessment stands out as the requisite approach for first responders to effectively understand a patient's condition.