The Set Tidal Volume Is 500 ML

question 92

Multiple Choice

The set tidal volume is 500 mL.During the first breath,the exhaled volume measures 390 mL,with a peak pressure of 18 cm H₂O.The second breath returns 460 mL,with 20 cm H₂O.The third breath has a peak pressure of 22 cm H₂O,with an exhaled volume of 500 mL.This can be described as what type of system?

• A) Open-loop
• B) Closed-loop
• C) Single-circuit
• D) Double-circuit

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