Cough Reflex Test (CRT) Practice

Question: 1 / 400

If a neonatal patient is set to receive an FiO2 of 0.40 but the RT notes an FiO2 of 0.30, what should the RT do to correct the problem?

Increase the flow to 15 L/min

Set the nebulizer's entrainment port to 100%

Setting the nebulizer's entrainment port to 100% is the correct approach to ensure that the patient receives the desired fraction of inspired oxygen (FiO2). By doing this, the nebulizer will deliver a higher concentration of oxygen, which can effectively raise the FiO2 for the patient.

When the entrainment port is set to 100%, it minimizes the dilution of the oxygen delivered by ambient air, effectively increasing the FiO2. This is especially crucial in a neonatal patient who may be more susceptible to hypoxemia and require precise oxygen delivery.

Adjusting other devices, such as increasing the flow to a higher rate or switching to a non-rebreathing mask, might not achieve the specific FiO2 target of 0.40 and could result in over-delivery or unnecessary discomfort to the patient. Changing the blender to a higher FiO2 setting would not directly address the issue unless specifically aimed at achieving the necessary level.

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Switch to a non-rebreathing mask

Adjust the blender to FiO2 of 0.50

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