Which statement accurately describes the difference between a one-stage regulator and a two-stage regulator in SCBA?

Which statement accurately describes the difference between a one-stage regulator and a two-stage regulator in SCBA?

• A. One-stage regulator reduces cylinder pressure in two steps.
• B. One-stage regulator reduces pressure gradually through multiple pulsations.
• C. Two-stage regulator reduces pressure in two steps, providing smoother airflow and less pulsation.
• D. Two-stage regulator increases pressure as the air is delivered.

Answer: (C)