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NBRC RPFT Exam Syllabus Topics:

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

1. Biological control data are obtained for lung volumes by plethysmography. The following results are obtained:

A pulmonary function technologist should repeat the test instructing the individual to

A) Pant at 90 to 100 Hz
B) Pant at 40 to 50 Hz
C) Inhale to TLC
D) Inhale to TV

2. While performing duplicate blood gas analyses, a pulmonary function technologist notes that the second instrument gives consistently higher values forPaCO2and PaO2. Which of the following is the most probable cause of higher readings from the second instrument?

A) The sample chamber has a bacterial contaminate
B) The PO2and PCO2electrode membranes have protein build-up
C) The sample chamber temperature is greater than 37° C
D) An excessive delay occurred between running the two samples

3. Which of the following is a valid reason for using biologic controls for DLCo?

A) Determining the lower limit of normal values
B) Assessing accuracy of the volume measuring device
C) Establishing precision of the procedure
D) Identifying the source of gas analyzer error

4. During daily quality control procedures on an infrared CO2analyzer, a pulmonary function technologist is unable to adjust the gain to the calibration gas concentration. Which of the following is the most likely explanation?

A) Presence of high levels of oxygen
B) Saturation of the soda lime
C) Water droplets in the sample cell
D) Increased gas sampling rate

5. Which of the following is an appropriate reason to perform a multiple-breath nitrogen washout test?

A) Measure oxygen consumption.
B) Measure anatomical dead space.
C) Differentiate obstruction from restriction.
D) Detect early small airway disease.

Solutions: