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NBRC RPFT Exam Syllabus Topics:

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. After finishing the exercise portion of a test for exercise-induced bronchospasm, a patient complains of difficulty "catching her breath." A pulmonary function technologist should

A) Have the patient perform an FVC maneuver.
B) Instruct the patient to breathe normally.
C) Give the patient a bronchodilator.
D) Administer oxygen at 2 L/min.

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

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

3. An isothermal lung analog has the following specifications:
5-L glass bottle
2000 g of steel wool
Density of steel wool 5 g/cm3
Volume of connectors and bulb 100 mi-Repeated FRC measurements in the plethysmograph result in a volume of 5.5 L.
Which of the following should a pulmonary function technologist do?

A) Remove 500 g of steel wool from the lung analog
B) Take the plethysmograph out of service
C) Recalculate the BTPS correction
D) Begin a biologic control program

4. Results of two blood gas samples drawn from the same patient, 30 minutes apart, are shown below:
Which of the following is the most likely explanation for these differences?

A) The 10:30 blood sample has been contaminated with air.
B) The patient has developed a pneumothorax.
C) The 10:30 blood sample contains an excess of heparin solution.
D) The patient's minute ventilation has increased.

5. The following data are obtained after an exercise (stress) test for exercise-induced asthma:

Based on these data, the post-exercise FEVi represents a decrease of approximately

A) 67%
B) 20%
C) 17%
D) 13%

Solutions: