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NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. Which of the following information reported from a recent methacholine challenge test best summarizes the patient's bronchial hyperresponsiveness?

A) postbronchodilator recovery FEV1= 106% baseline
B) diluent FEV1= 92% predicted
C) PC20= 2.3 mg/mL
D) patient reported chest tightness and a cough

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

3. Which of the following spirometry results is most characteristic of a restrictive lung disease?

A) Normal FEV1/FVC ratio and decreased FVC
B) Increased FEV1 with normal total lung capacity
C) Increased residual volume and increased FEV1/FVC ratio
D) Decreased FEV1/FVC ratio and normal FVC

4. In a patient with neuromuscular disease, which of the following is the best way to detect airway obstruction?

A) PEF
B) MIP
C) MVV
D) SGaw

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

Solutions: