Pulmonary Function Testing (PFT) Questions
with Complete Solutions
Main goal of PFT is to determine if a lung disease is? (2) Correct Answer-
Restrictive or Obstruction
How many times does a test have to be repeated to be considered reliable?
Correct Answer-3 times, 5% discrepancy
Vt is? Correct Answer-Tidal Volume
Volume of gas inspired or expired during each respiratory cycle? Correct
Answer-Tidal Volume (Vt)
Calculation for Vt = Correct Answer-IC - IRV
Average Tidal Volume value? Correct Answer-500 ml
IRV is? Correct Answer-Inspiratory Reserve Volume
The maximum volume inspired from the end of a normal inspiration? Correct
Answer-Inspiratory Reserve Volume (IRV)
, Pulmonary Function Testing (PFT) Questions
with Complete Solutions
Average Inspiratory Reserve Volume? Correct Answer-3100 ml
Calculation for IRV = Correct Answer-IC - Vt
ERV is? Correct Answer-Expiratory Reserve Volume
The largest volume of gas that can be expired from the resting end expiratory
level? Correct Answer-Expiratory Reserve Volume (ERV)
Average Expiratory Reserve Volume? Correct Answer-1200 ml
Calculation for ERV = Correct Answer-FRC - RV
Expiratory Reserve Volume makes up about what percentage of Vital Capacity
(VC)? Correct Answer-25%
Rv is? Correct Answer-Residual Volume
with Complete Solutions
Main goal of PFT is to determine if a lung disease is? (2) Correct Answer-
Restrictive or Obstruction
How many times does a test have to be repeated to be considered reliable?
Correct Answer-3 times, 5% discrepancy
Vt is? Correct Answer-Tidal Volume
Volume of gas inspired or expired during each respiratory cycle? Correct
Answer-Tidal Volume (Vt)
Calculation for Vt = Correct Answer-IC - IRV
Average Tidal Volume value? Correct Answer-500 ml
IRV is? Correct Answer-Inspiratory Reserve Volume
The maximum volume inspired from the end of a normal inspiration? Correct
Answer-Inspiratory Reserve Volume (IRV)
, Pulmonary Function Testing (PFT) Questions
with Complete Solutions
Average Inspiratory Reserve Volume? Correct Answer-3100 ml
Calculation for IRV = Correct Answer-IC - Vt
ERV is? Correct Answer-Expiratory Reserve Volume
The largest volume of gas that can be expired from the resting end expiratory
level? Correct Answer-Expiratory Reserve Volume (ERV)
Average Expiratory Reserve Volume? Correct Answer-1200 ml
Calculation for ERV = Correct Answer-FRC - RV
Expiratory Reserve Volume makes up about what percentage of Vital Capacity
(VC)? Correct Answer-25%
Rv is? Correct Answer-Residual Volume
