Practise flight physiology, airway and shock decisions, trauma stabilization, medical emergencies, and population-specific transport care for BCEN's CFRN exam. These are independent learning materials, not official exam questions or a pass prediction.

Read the Certified Flight Registered Nurse (CFRN) study guide and official exam sources
Exam outline and official sources

Board of Certification for Emergency Nursing (BCEN) · BCEN Certified Flight Registered Nurse Examination Content Outline, PDF effective date 08/2026; BCEN's update notice specifies implementation on August 31, 2026. Current for October 11, 2026. The workbook label 'Flight Registered Nurse (CFRN)' maps to the official 'Certified Flight Registered Nurse (CFRN)' examination; the assigned slug is preserved.

This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.

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Certified Flight Registered Nurse (CFRN)

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A patient with pneumonia has adequate oxygen saturation before takeoff but desaturates during ascent. The oxygen system is functioning and the airway remains patent. Which physiological change best explains why ascent can worsen this patient's oxygenation?

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