A patient has a heated air-entrainment large-volume jet nebulizer. The aerosol disappears com-pletely during each inspiration. The most-appropriate action to take is to:
a. decrease the oxygen flow to the large-volume nebulizer.
b. increase the oxygen flow to the large-volume nebulizer.
c. decrease the heat level.
d. remove the corrugated reservoir tubing.
ANS: B
The aerosol should not completely disappear during inspiration. This means that the device is not meeting the needs of the patient. The oxygen flow can be increased without worry that the frac-tional inspired oxygen will increase, because the device uses air entrainment to set the oxygen concentration. This is the only answer that will increase the output of the device to meet the pa-tient's inspiratory needs.
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