Emergency Nursing

Disaster Triage and Chemical/Biologic Hazards Practice Questions

20 free Disaster Triage and Chemical/Biologic Hazards practice questions for the NCLEX Exam, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Disaster Triage and Chemical/Biologic Hazards questions

20 questions
  1. Q1. During triage of a chemical exposure mass-casualty event, which step is crucial before entering the treatment zone?
  2. Q2. What is the most important principle of triage in large-scale disasters?
  3. Q3. In a mass casualty scenario with limited resources, a patient with massive full-thickness burns covering 70% of body surface area may be triaged as:
  4. Q4. In a suspected chemical incident, decontamination should occur:
  5. Q5. During decontamination of multiple casualties, which practice is correct?
  6. Q6. A biologic hazard such as aerosolised anthrax may initially present with flu-like symptoms. Which feature should raise immediate concern for inhalational anthr…
  7. Q7. During hospital surge capacity in a disaster, “reverse triage” means:
  8. Q8. Which of the following decontamination materials is most appropriate for removing chemical agent from skin?
  9. Q9. A mass casualty incident involving a biological agent release requires which key public health nursing action?
  10. Q10. Which of the following statements best describes “secondary contamination” in a chemical/biologic event?
  11. Q11. During a chemical exposure mass casualty incident, which step is crucial before entering the treatment zone?
  12. Q12. In a mass casualty chemical incident, the triage category “expectant” (often black) means:
  13. Q13. A biologic hazard scenario involves exposure to an aerosolised agent. Which nurse action is most immediate?
  14. Q14. In a mass casualty incident, the triage tag colour and category typically assigned to a patient who can walk and has minor injuries is:
  15. Q15. During triage of a chemical exposure mass-casualty event, which sign in a casualty would shift their triage category from delayed (yellow) to immediate (red)?
  16. Q16. In the field triage system for disasters, the algorithm known as START stands for:
  17. Q17. A nurse performing mass casualty triage notes a patient is not breathing. She opens the airway and still no breathing. According to START, the patient is:
  18. Q18. Which chemical hazard presents with cherry-red skin and rapid onset of unconsciousness in a fire-related exposure?
  19. Q19. In a mass chemical exposure zone, which vital sign threshold might prompt movement from delayed (yellow) to immediate (red)?
  20. Q20. Which of the following is a key nursing role during hospital “first receiver” operations in a chemical/biologic mass casualty?