Câu 19: RPFT: Registered Pulmonary Function Technologist

A pulmonary function technologist is performing quality control on a nebulizer used in the 5-breath dosimeter bronchial challenge. The target output of the device is 0.09 mL, plus or minus 10%. After 10 actuations, the nebulizer output was 75 µL with a 2.0 mL initial saline dose in the nebulizer. The technologist should

1. A. Open the vent before starting the bronchial challenge.
2. B. Add an exhalation filter and proceed with testing patients.
3. C. Clean and reevaluate this nebulizer.
4. D. Accept the results and begin using the device. — đáp án hiện tại