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NBRC RPFT Exam Syllabus Topics:

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. During a linearity check of a flow sensor in a plethysmograph with a 3-liter calibration syringe, a pulmonary function technologist observes the following:

Which of the following should the technologist do?

A) Record these results and begin testing.
B) Recalibrate and repeat the linearity check.
C) Look for an obstruction in the flow sensor.
D) Perform an additional flow check at 10 L/sec.

2. When performing quality control in a body plethysmograph using a 5-L isothermal bottle, the VTGat shutter closure are as follows:

A pulmonary function technologist should

A) Check biological control before beginning testing.
B) Recalibrate the box pressure transducer.
C) Proceed with patient testing.
D) Service the mouth pressure transducer.

3. Treadmill speed can be verified by

A) Multiplying the cycles/min by the height.
B) Multiplying the belt length by the cycles/min.
C) Dividing the cycles/min by the belt length.
D) Dividing the height by the horizontal distance.

4. 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) Restrictive defect
C) Obstructive defect
D) Normal lung volumes

5. A patient will undergo bronchial provocation testing with methacholine chloride (Provocholine). Baseline spirometry reveals the FVC is 4.00 L and FEV1is 3.00 L. The provocative dose 20% (PD20) can be calculated when which of the following measurements occur?

A) The FEV, falls below 2.40 L, regardless of change in FVC.
B) The FVC falls below 3.20 L and the FEV1falls below 2.40 L.
C) The FVC falls below 3.20 L, or the FEV1falls below 2.40 L.
D) The ratio FEV1/FVC falls below 0.8.

Solutions: