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Exam (elaborations)
CHAPTER 20 EGANS-PFT EXAM QUESTIONS WITH 100% CORRECT ANSWERS | LATEST VERSION 2025/2026
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---9September 20252025/2026A+
- What are the three categories of PFTS? - ANS 1. dynamic flow rates of gases through airways 
2. lung volumes and capacities 3. the ability of lungs to diffuse gases 
Generally what are the primary purposes of PFT? - ANS to identify pulmonary impairment 
and quantify the severity of pulmonary impairment 
What are the indications for PFT? - ANS to identify and quantify changes; need and 
therapeutic effectiveness; epidemiologic surveillance; assess postoperative risks; determine 
disabililty 
What...
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