When high-flow oxygen is attached to the inlet valve of a pocket face mask, oxygen concentrations of up to ____ percent can be delivered to the patient.

A. 21
B. 45
C. 55
D. 70

Answer: C. 55

Health Professions

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The therapist is caring for a neonate who has a persistent significant air leak, an oxygenation index of 50, and a P(A-a)Do2 greater than 550 for the last 5 hours. What therapeutic intervention should the therapist recommend at this time?

A. extracorporeal life support B. intravascular oxygenation C. surfactant replacement D. high-frequency ventilation

Health Professions

In a solution, the ________ is dissolved in the ________

A) molecule, element B) element, molecule C) solvent, solute D) solute, solvent

Health Professions