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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. To facilitate measurement of arterial oxygen content during an exercise (stress) test, a pulmonary function technologist should recommend

A) Pulse oximetry
B) An arterial puncture at anaerobic threshold
C) Radial artery catheterization
D) End-tidal monitoring

2. The following results are obtained:

The RV/TLC ratio from these data is consistent with which of the following?

A) Combined obstructive/restrictive defect
B) Normal lung volumes
C) Obstructive defect
D) Restrictive defect

3. A polarographic oxygen analyzer used to measure expired gas in a metabolic system should always be calibrated with

A) Air and fully saturated 100% oxygen.
B) Oxygen mixtures containing 4% and 8% carbon dioxide
C) 100% oxygen and 100% nitrogen, fully saturated
D) Gas concentrations higher and lower than the expected measurement

4. Which of the following is correct regarding smoking cessation?

A) Support systems are minimally effective in smoking cessation.
B) Smokers who quit suddenly and without help are most likely to be successful.
C) Withdrawal symptoms are mild and last less than 48 hours.
D) Pharmacologic therapy increases chances of success along with counseling.

5. The following values are obtained using a 3-liter calibration syringe during volume calibration of a dry-rolling spirometer:
2.80 L
2.79 L
2.82 L
The performance of this spirometer is best described as

A) Accurate, but not precise.
B) Precise, but not accurate. .
C) Both accurate and precise.
D) Neither accurate nor precise.

Solutions: