A high-frequency ventilator is set to 2.5 hertz. This frequency is equivalent to how many breaths per minute?

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Prepare for the Neonatal/Pediatric Specialist Test. Use flashcards and multiple-choice questions with hints and explanations. Ready yourself for the exam!

Multiple Choice

A high-frequency ventilator is set to 2.5 hertz. This frequency is equivalent to how many breaths per minute?

Explanation:
High-frequency ventilation uses a frequency measured in hertz, which is breaths per second. To convert to breaths per minute, multiply by 60 because there are 60 seconds in a minute. So, 2.5 Hz equals 2.5 breaths per second × 60 seconds = 150 breaths per minute. That’s why 150/min is the correct conversion. (Other frequencies would correspond to 0.83 Hz ≈ 50/min, 4.17 Hz ≈ 250/min, or 8.33 Hz ≈ 500/min, if you’re curious.)

High-frequency ventilation uses a frequency measured in hertz, which is breaths per second. To convert to breaths per minute, multiply by 60 because there are 60 seconds in a minute. So, 2.5 Hz equals 2.5 breaths per second × 60 seconds = 150 breaths per minute. That’s why 150/min is the correct conversion. (Other frequencies would correspond to 0.83 Hz ≈ 50/min, 4.17 Hz ≈ 250/min, or 8.33 Hz ≈ 500/min, if you’re curious.)

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