NBRC RPFT Exam Dumps

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Related Exams

Question # 1

A pulmonary function laboratory routinely tests five subjects as biologic controls. Acceptable instrument performance over time is indicated when measurements

A. For each individual are within 2 standard deviations of the mean of previous measurements for each individual. 
B. For an individual are within 2 standard deviations of the mean of those for the group
C. Of the group as a whole agree with those predicted by linear regression for changes in age
D. Are within the 95% confidence interval predicted for an individual being tested. 

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Question # 2

Which of the following thresholds for a clinically significant change in lung function from the beginning to the end of a methacholine challenge test is significant?

A. An increase of more than 20% in airway resistance 
B. Adecline of more than 30% in FEF25-75% 
C. Adecline of more than 20% in FEV1 
D. Adecline of more than 20% in inspiratory capacity 

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Question # 3

A government agency requires that a pulmonary function technologist establish proceduresto minimize the loss of laboratory data. Which of the following should be included in theseprocedures?1. Continuous mirroring of hard drives2. Storage of duplicate test data offsite3. No Internet connections to the computer storing the database4. Contracting with a third-party security company

A. 2,3, and 4 only 
B. 1,3, and 4 only 
C. 1,2, and 4 only
D. 1,2, and 3 only 

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Question # 4

While performing a quality control test on an open circuit nitrogen system, the volume of a 3-liter syringe is measured as 3.9 L. Which of the following is the most probable explanation?

A. There was an air leak in the system. 
B. The initialO2concentration in the syringe was greater than 0.21. 
C. The volume was not corrected from ATPS to BTPS.  
D. The nitrogen analyzer gain was set too low. 

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Question # 5

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

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

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