At what temperature should carbon dioxide and nitrous oxide cylinders be prevented from falling below?

The correct answer indicates that carbon dioxide and nitrous oxide cylinders should be maintained above 20 degrees Fahrenheit to ensure safe and effective functioning. This temperature is critical because both gases can undergo phase changes that affect their pressure and usability.

For carbon dioxide, below 20 degrees Fahrenheit, it can transition to a solid state (dry ice), which can obstruct gas flow. In the case of nitrous oxide, maintaining the specified temperature helps to ensure that it remains in a liquefied state within the cylinder. If the temperature drops too low, it can lead to inadequate pressure, impacting its delivery for medical use.

Maintaining the cylinders above this temperature is essential for the safety of medical personnel and patients, ensuring reliable gas delivery and preventing any potential disruptions during medical procedures. Proper adherence to these temperature guidelines aligns with NFPA 99 safety protocols to minimize risks associated with medical gas use.