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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. During an exercise (stress) test, the minute ventilation to carbon dioxide production (Ve /VCO2) ratio is 100.
This measurement indicates

A) A normal response
B) Severe pulmonary hypertension
C) Equipment malfunction
D) Increased work of breathing

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

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

3. A biologic control subject has a FRCplethof 4.0 ±0.3 L at panting frequencies between 60 and 70/min. During a QC run, the subject pants at55/min and a FRCplethof 3.90 L is recorded.
Which of the following is the most appropriate action to take?

A) Repeat the test, coaching the subject to pant more slowly.
B) Continue using the system because it is within control limits.
C) Recalibrate the mouth pressure transducer and repeat the test.
D) Take the plethysmograph out of service pending corrective maintenance.

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

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

5. The following test results are available for a 35-year-old subject who is applying for disability:
These findings are consistent with

A) Occupational asthma
B) Pulmonary fibrosis
C) A paralyzed hemidiaphragm
D) Poor effort

Solutions: