NBRC RPFT : Registry Examination for Advanced Pulmonary Function Technologists

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NBRC RPFT Exam Syllabus Topics:

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. A treadmill belt stops for a fraction of a second each time the patient takes a step. A pulmonary function technologist should

A) Tighten the belt.
B) Instruct the patient to use the hand rails.
C) Increase the speed of the belt.
D) Decrease the treadmill grade.

2. Which of the following is the most reliable indicator that a patient has achieved his maximum exercise capacity during a progressive exercise (stress) test?

A) Heart rate of 210/min
B) Minute ventilation greater than 170 L/min
C) Respiratory exchange ratio greater than 0.8
D) VO2remains stable with increasing workload

3. At the end of a progressive exercise study of a healthy adult male, RER would be approximately what value?

A) 0.83
B) 1.65
C) 1.25
D) 1.00

4. 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) Begin a biologic control program
C) Recalculate the BTPS correction
D) Take the plethysmograph out of service

5. A patient is performing a flow-volume loop. A pulmonary function technologist observes equal decreases in expiratory and inspiratory flows resulting in plateaus. Patient effort is satisfactory, and he follows instructions well. The technologist should expect the patient to have a

A) Small airways obstruction
B) Variable large airways obstruction
C) Fixed large airways obstruction.
D) Restrictive disorder

Solutions: