NBRC RPFT Exam : 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:

Question 1

Which of the following is a suitable policy for following Standard Precautions in a pulmonary function laboratory?

A. Reusable mouthpieces should be disinfected between each patient.
B. Gloves are optional when obtaining arterial blood samples using a kit
C. Reusable mouthpieces should be disposed when a patient has a history of tuberculosis.
D. Eye protection is required when obtaining ABGs from patients with hepatitis.

Question 2

While performing a plethysmographic lung volume test, a technologist observes that the patient's breathing efforts do not produce consistent pressure fluctuations in the box. Which of the following is the most likely reason for this issue?

A. Hyperventilation during the test
B. Leaks in the mouthpiece or tubing
C. Incorrect gas mixture in the box
D. Airway obstruction preventing pressure transmission

Question 3

A pulmonary function technologist is performing an exercise (stress) test on a patient with severe COPD. As the test progresses, the patient shows signs of increasing dyspnea. Measurements of inspiratory capacity decreased from 2.0 L to 1.5 L. Which of the following most likely occurred?

A. dynamic hyperinflation
B. acute decrease in FRC
C. disconnected gas sampling line
D. drift in the flow transducer

Question 4

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

Question 5

During exercise, a subject's oxygen consumption increases out of proportion to his cardiac output. This is due to an increase in

A. Coronary blood flow
B. Anaerobic metabolism
C. Alveolar ventilation
D. Oxygen extraction.

Solutions: