CERTIFIED FLIGHT REGISTERED NURSE EXAM PREP (CFRN) REVIEW QUESTIONS AND ANSWERS, GRADED A+/

CERTIFIED FLIGHT REGISTERED NURSE EXAM PREP (CFRN) REVIEW QUESTIONS AND ANSWERS, GRADED A+/ Vibrations related to physiologic stressors of flight The WORST stressor. - motion fatigue and sickness. -increased pain with fractures. - may increase ETCO2 - increase padding to decrease vibrations. Gravitational forces related to physiological stressors of flight Results in pooling of blood. Noise and physiological stressors of flight... Interferes most with physical assessment and decreases communication. Vision impairment and physiological stressors of flight Night vision affected as early as 5,000 feet mean sea level (MSL). - Avoid inside light use and use supplemental O2. Temperature and physiological stressors of flight Temperature drops by 2 degrees Celsius (C) for every 1,000 feet increase in altitude along with decreased humidity. - Cold, high, and dry = negative impact. What are the most common reasons for patient death during a flight? Cardiac tamponade Tension pneumothorax Hypovolemia. Fuel vapors can cause... Eye irritation Altered mental status (AMS). nausea. Flicker vertigo and physiologic stressors of flight... Seizures - cover patient's eyes to prevent. Flicker vertigo is sunlight through the wind-milling propeller. Spatial disorientation from clouds, water, or deserts may cause... Increases of motion sickness. Barotitis Media Obstruction of eustachian tubes that causes pain, tinnitus, and vertigo on descent. Ask the patient to yawn or swallow, not chew gum, to relieve symptoms. Baro = Boyle's Barogastralgia Unclamp NG/OG tube during ascent to relieve pressure. Baro = Boyle's Barodontalgia (aerodontalgia