Which sinus cavity is of most interest on the PA axial Caldwell method?
maxillary
sphenoid
ethmoid
frontal
frontal
Rationale: The frontal sinuses are of greatest interest on the PA axial Caldwell method. The frontal sinuses are closest to the IR and free of superimposition.
Health Professions
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Which of the following patients in respiratory distress?
a. infant breathing 70 times/minute b. child breathing 30 times/minute c. infant breathing 50 times/minute d. child breathing 40 times/minute
Health Professions
A 3-year-old boy is found to be in cardiopulmonary arrest. As you begin one-rescuer CPR, your partner prepares the AED. The appropriate compression to ventilation ratio for this child is:
A: 15:2 B: 30:2 C: 3:1 D: 5:1
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