NBRC Registry Examination for Advanced Pulmonary Function Technologists : RPFT

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NBRC RPFT Exam Syllabus Topics:

NBRC Registry Examination for Advanced Pulmonary Function Technologists Sample Questions:

Question 1

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

Question 2

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

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

Question 3

The following values are obtained using a 3-liter calibration syringe during volume calibration of a dry-rolling spirometer:
2.80 L
2.79 L
2.82 L
The performance of this spirometer is best described as

A. Precise, but not accurate. .
B. Accurate, but not precise.
C. Both accurate and precise.
D. Neither accurate nor precise.

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

Question 5

The following values are reported at maximum effort for a 50-year-old, 70-kg (154-lb) male with significant coronary artery disease during ergometer stress testing. Which of the following is most likely an error?

A. HR145/min
B. VE65L/min
C. RER1.2
D. workload 200 watts

Solutions: