A respiratory therapist notices an increasing high-pitched noise coming from the upper airway of a child receiving 30% oxygen by heated aerosol. Which of the following would be most appropriate for further evaluation?
A. CT scan of the upper airway
B. bedside pulmonary function test with flow volume loop
C. MRI of the upper airway
D. lateral neck radiograph
Answer: D. To evaluate the source of upper airway inflammation, a neck x-ray is most appropriate. This allows direct visualization of the tissue which can be helpful in determining the source and location of the inflammation.
Health Professions
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