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NREMT EMT

Category - Airway

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Which of the following processes describes the movement of gases from an area of high concentration to an area of low concentration?

Transportation
Diffusion
Respiration
Ventilation

Explanation

Answer: B - Diffusion is the process of gases moving from an area of high concentration to an area of low concentration. This is a passive process within the body. Transportation, ventilation and respiration are all active processes.

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