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Exam (elaborations)

Pulmonary Function Testing (PFT)- Questions and Answers

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Pulmonary Function Testing (PFT)- Questions and Answers

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Pulmonary Function Testing (PFT)- Questions and
Answers

The largest volume of gas that can be inspired from resting expiratory level? Correct Ans-
Inspiratory Capacity (IC)




Average Inspiratory Capacity? Correct Ans-3600 ml




Calculation for IC = Correct Ans-Vt + IRV




Inspiratory Capacity makes up about what percentage of tidal volume? Correct Ans-75%




VC stands for? Correct Ans-Vital Capacity




The largest volume measured on complete expiration after the deepest inspiration without
forced or rapid effort? Correct Ans-Vital Capacity (VC)




Average Vital capacity? Correct Ans-4800 ml




Calculation for VC = Correct Ans-Vt + IRV + ERV




FVC is? Correct Ans-Forced Vital Capacity

, Pulmonary Function Testing (PFT)- Questions and
Answers
What is the same as vital capacity, only using *forced* exhalation? Correct Ans-Forced
Vital Capacity (FVC)




FRC stands for? Correct Ans-Functional Residual Capacity




Main goal of PFT is to determine if a lung disease is? (2) Correct Ans-Restrictive or
Obstruction




How many times does a test have to be repeated to be considered reliable? Correct Ans-3
times, 5% discrepancy




Vt is? Correct Ans-Tidal Volume




Volume of gas inspired or expired during each respiratory cycle? Correct Ans-Tidal Volume
(Vt)




Calculation for Vt = Correct Ans-IC - IRV




Average Tidal Volume value? Correct Ans-500 ml




IRV is? Correct Ans-Inspiratory Reserve Volume

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