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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. A patient who smokes three packs of cigarettes a day has a DLcoOf 45% of predicted. The patient is referred for exercise (stress) testing. Which of the following should a pulmonary function technologist select to evaluate oxygenation?

A) Transcutaneous oxygen electrode
B) Pulse oximetry
C) Arterial blood gas analysis
D) End-tidal oxygen tension

2. When performing exercise testing on a biologic control, the measurements obtained should be compared with

A) Predicted values used for the biologic control's height and weight
B) At least two other biologic controls being tested.
C) The patient population that will be tested.
D) Previous tests performed on the biologic control.

3. During a bronchial provocation study, a patient has the following spirometric values after a 0.25 mg/mL dose of methacholine:

Based on these results, a pulmonary function technologist should

A) Instruct the patient to blow out longer and repeat the effort.
B) Reduce the concentration of methacholine on the next trial.
C) Stop the test and immediately administer a bronchodilaior.
D) Instruct the patient to blow out harder and repeat the effort.

4. A 66-year-old female performs spirometry with the following results:

The patient most likely has

A) Pulmonary hypertension.
B) Normal pulmonary function.
C) Restrictive lung disease.
D) Obstructive lung disease.

5. The following data were obtained from a bronchial challenge test:

APC20of 2 mg/mL was obtained the next day in another laboratory. Which of the following is the most likely explanation for these data?

A) The spirometer accuracy drifted during the test.
B) The patient's effort was inconsistent.
C) The two test results are within day-to-day variability.
D) Incorrect doses of methacholine were administered.

Solutions: