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PFT EXAM FIVE QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS 100% CORRECT RATED A+ NEWLY UPDATED 2025

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PFT EXAM FIVE QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS 100% CORRECT RATED A+ NEWLY UPDATED 2025

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PFT EXAM FIVE QUESTIONS AND
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED A+
NEWLY UPDATED 2025
ATS Spirometer Accuracy Requirements
Question:
According to ATS recommendations, what should be the range and accuracy for a
diagnostic spirometer?
✔✔ Answer:
0.5 – 8.0 liters, with an accuracy of ±3% of the reading or ±0.05 L, whichever is
greater
Explanation:
This standard ensures that the spirometer provides consistent and reliable
measurements across a wide range of lung volumes.


Biologic Control After Maintenance
Scenario:
A biologic control subject has a known FVC of 5.00 L, with a standard deviation
(SD) of 0.20 L. After performing spirometer maintenance, three test efforts give
the following results:
 Effort 1: 5.70 L
 Effort 2: 5.75 L
 Effort 3: 5.67 L
Question:
Based on these results, what should the pulmonary function technologist conclude?
Choices:
A. Spirometer performance is within acceptable statistical limits
B. Spirometer performance is questionable

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  • pft exam five questions and answers with complete
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  • a biologic control subject has a known fvc of 500

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