When is the oxygen blender on the CareFusion Infant Flow Nasal CPAP System recalibrated?
a. When the calibration control is activated
b. When the ventilator is turned on
c. When there is a change in the delivered fractional inspired oxygen
d. At start-up and every 12 hours
ANS: B
The oxygen blender is automatically recalibrated on start-up.
Health Professions
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When mutations occur in the globin chains of hemoglobin, what two interactions can be impaired?
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