CAMATA CHAPTER 2 EXAM 2026/2027 (ACTUAL EXAM) | COMPLETE EXAM QUESTIONS WITH VERIFIED CORRECT ANSWERS AND DETAILED RATIONALES | A+ GRADED | LATEST VERSION

CAMATA CHAPTER 2 EXAM 2026/2027 (ACTUAL EXAM) | COMPLETE EXAM QUESTIONS WITH VERIFIED CORRECT ANSWERS AND DETAILED RATIONALES | A+ GRADED | LATEST VERSION 1. Dalton’s Law mainly applies to: A) Pressure B) Volume C) Temperature D) Mass Answer: A) Pressure 2. Dalton’s Law states that the total pressure of a mixture of gases is equal to: A) Inversely proportional to volume B) Nearly proportional to its absolute temperature C) Inversely proportional to absolute mass D) The sum of the partial pressures exerted by each gas in the mixture Answer: D) The sum of the partial pressures exerted by the individual gases 3. The largest percentage of dry atmospheric composition is: A) Oxygen B) Carbon dioxide C) Nitrogen D) Hydrogen Answer: C) Nitrogen 4. To calculate the partial pressure of a gas at a given altitude, which factors must be known? A) Barometric pressure and temperature B) Barometric pressure and rate of ascent C) Temperature and gas concentration D) Gas concentration and barometric pressure Answer: D) Gas concentration and barometric pressure 5. According to Dalton’s Law, hypoxia occurs at high altitude because: A) Decreased temperature makes oxygen less available B) Oxygen concentration decreases as barometric pressure decreases C) Oxygen concentration remains unchanged, but decreased partial pressure makes oxygen less available D) Barometric pressure increases, increasing oxygen pressure Answer: C) Oxygen concentration remains unchanged, but decreased partial pressure makes oxygen less available 6. The time of useful consciousness (TUC) is ______ at higher altitudes. Answer: Shorter 7. The average time of useful consciousness following rapid depressurization at 25,000 ft is: A) 30–60 seconds B) 90 seconds C) 3–5 minutes D) 30 minutes Answer: C) 3–5 minutes 8. Which of the following factors contribute to hypoxia in air medical crew members? 1. Consumption of gas-forming foods 2. Length of time at altitude 3. General health and level of fitness 4. Noise intensity greater than 100 dB A) 1, 2, 3 B) 2, 3 C) 2, 4 D) All of the above Answer: D) All of the above 9. Which statement accurately describes Boyle’s Law? A) Reduced temperature causes reduced pressure B) Volume decreases when pressure decreases C) Gas evolves from solution resulting in hypoxia D) Gas volume increases as pressure decreases Answer: D) Gas volume increases as pressure decreases 10. At 18,000 ft ASL, a 10 mL endotracheal tube cuff would be expected to expand to approximately: Answer: 20 mL 11. Henry’s Law – True or False: Temperature and pressure are inversely related. Answer: False 12. Henry’s Law – True or False: Gas remains dissolved in solution relative to the pressure of gas surrounding the solution. Answer: True 13. Henry’s Law – True or False: Decompression sickness can be explained using Henry’s Law. Answer: True 14. Henry’s Law – True or False: Hypoxia can be explained by Henry’s Law. Answer: False 15. The Universal Gas Law describes the relationship between gas volume, pressure, and temperature. Which statement is correct? A) Boyle’s Law alone provides the most accurate description in air medical environments B) The Universal Gas Law combines Boyle’s and Dalton’s Laws C) Absolute temperature is based on the Fahrenheit scale D) Gas expansion caused by reduced barometric pressure is moderated by decreased temperature Answer: D) Gas expansion associated with reduced barometric pressure is moderated by decreased temperature 16. Which statement accurately describes the stresses of flight? A) Changes in barometric pressure do not cause physiological stress B) Noise and vibration have no long-term effects on air medical personnel C) Fatigue results from the accumulation of multiple flight stresses D) G-forces significantly affect all passengers on small aircraft Answer: C) Fatigue results from the accumulation of many flight stresses GHOSTBAN – Aviation Stressors 17. GHOSTBAN – G stands for: Answer: Gravitational forces 18. GHOSTBAN – H stands for: Answer: Humidity / Hyperventilation 19. GHOSTBAN – O stands for: Answer: Oxygen 20. GHOSTBAN – S stands for: Answer: Shakes / Vibration 21. GHOSTBAN – T stands for: Answer: Temperature 22. GHOSTBAN – B stands for: Answer: Barometric pressure 23. GHOSTBAN – A stands for: Answer: Atmosphere 24. GHOSTBAN – N stands for: Answer: Noise 25. Which gas law explains expansion of trapped air during ascent? Answer: Boyle’s Law 26. Which gas law explains reduced oxygen availability at altitude? Answer: Dalton’s Law 27. Which gas law explains nitrogen bubble formation during decompression? Answer: Henry’s Law 28. What physiologic system is most sensitive to hypoxia? Answer: Central nervous system 29. Early signs of hypoxia most commonly include: Answer: Impaired judgment and decreased coordination 30. Noise exposure in aviation primarily contributes to: Answer: Fatigue and hearing damage 31. Why does gas-forming food increase discomfort at altitude? Answer: Gas expansion due to reduced pressure 32. Which condition shortens time of useful consciousness? Answer: Rapid ascent or decompression 33. Partial pressure of oxygen decreases with altitude because: Answer: Barometric pressure decreases 34. Why is physical fitness important for air medical crew? Answer: It improves tolerance to hypoxia and flight stressors 35. Which flight stressor most contributes to cumulative fatigue? Answer: Combined effects of vibration, noise, altitude, and workload