The following biologic control data ranges were established:
The following additional data were obtained when assessing the equipment:
Which of the following should a pulmonary function technologist do?
A 54-year-old male with a normal ECG at rest develops dyspnea during an exercise (stress) test, and the following ECG pattern is noted at 25 watts:
25 mm/sec A pulmonary function technologist should
An isothermal lung analog has the following specifications:
5-L glass bottle
2000 g of steel wool
Density of steel wool 5 g/cm3
Volume of connectors and bulb 100 mi-Repeated FRC measurements in the plethysmograph result in a volume of 5.5 L.
Which of the following should a pulmonary function technologist do?
A patient with severe airflow limitation pants too rapidly (> 3 breaths/second) against a closed shutter in a body plethysmograph. Which of the following will occur?
The following Levy-Jennings charts of control values are obtained:
Which of the following is the correct sequence of actions for a pulmonary function technologist to take?
1. Replace the oxygen electrode.
2. Check the temperature of the measuring chamber.
3. Run protein remover through the blood gas analyzer.
4. Replace the CO2 electrode.