PFT Lindsey JONES Questions and Answers 100% Solved
What is Maximum Voluntary Ventilation (MVV) Correct Ans-Max amount of gas that the
patient moves in and out of the lungs in 12 to 15 seconds
Indication of flow loop round in appearance Correct Ans-Vocal cord dysfunction and
paralysis
Tall and skinny loop Correct Ans-restrictive
Short and fat loop Correct Ans-obstructive
What is the purpose of Heliu dilution and Nitrgoen washout? Correct Ans-determine FRC
What 3 tools can test for RV? Correct Ans-Nitrogen washout
Helium Dilution
body box
How should Helium be calibrated? Correct Ans-read 0% at room air
What makes up VC? Correct Ans-IRV+VT+ERV
What makes up TLC? Correct Ans-IRV+VT+ERV+RV or IC +RV
, PFT Lindsey JONES Questions and Answers 100% Solved
What makes up IC? Correct Ans-IRV+VT
What Makes up FRC? Correct Ans-ERV+RV
What is required to measure airway resistance (RAW) Correct Ans-body box
Using body box, FRC is usually called? Correct Ans-Thoracic gas volume
What is used to measure of how well gases (O2 and CO2) move across the alveolar capillary
membrane (ACM). Correct Ans-DLco or Dco
What is normal DLco Correct Ans-25 ml CO/min/mmHg (STPD)
what type of patients have a poor DLco? Correct Ans-restricitive diseases that affect the
alveolar capillary membrane (ARDS)
What does Screening Spirometry observe at the bedside Correct Ans-FEV1, FVC, IC, flow
volume loop and others
What is a good test for restrictive lung disease? Correct Ans-Slow vital capacity (SVC)
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