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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. Which of the following is the most reliable indicator that a patient has achieved his maximum exercise capacity during a progressive exercise (stress) test?

A) Respiratory exchange ratio greater than 0.8
B) Minute ventilation greater than 170 L/min
C) VO2remains stable with increasing workload
D) Heart rate of 210/min

2. A pulmonary function technologist reviews the following home monitoring spirometry results:
According to National Asthma Education and Prevention Program (NAEPP) guidelines, what feedback should the technologist give to the patient regarding test performance?

A) Encourage the patient to continue testing and monitoring the FEW
B) Come into the office for further instructions on proper testing technique.
C) Ask the patient to blow out longer.
D) Ask the patient to recalibrate the spirometer.

3. 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) Continue testing patients.
B) Change the CO2and H2O absorbers.
C) Check the flow sensor.
D) Change the DLcoCO analyzer.

4. During exercise, a subject's oxygen consumption increases out of proportion to his cardiac output. This is due to an increase in

A) Coronary blood flow
B) Oxygen extraction.
C) Alveolar ventilation
D) Anaerobic metabolism

5. 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?

A) VTGoverestimation
B) RAWunderestimation
C) VTGunderestimation
D) RAWoverestimation

Solutions: