PFT exam with precise detailed
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solutions
How much air is blown out in the first second of the FVC
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maneuver? - Correct answer ✔80% of the FVC
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A common cause of decreased FEF25-75 is - Correct answer
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✔Asthma
IC is equal to which of the following? - Correct answer ✔IRV+VT
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When performing a spirometry post bronchodilator, how much
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improvement is necessary in the FEV1 to determine a [] [] [] [] [] [] [] [] []
bronchodilator response? - Correct answer ✔12% [] [] [] [] []
The highest flow generated by a pt would be called? - Correct
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answer ✔PEFR []
A restrictive lung disease would primarily - Correct answer
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✔Decrease the total lung capacity [] [] [] []
A common cause of decreased TLC is - Correct answer
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✔Pulmonary fibrosis []
, Based on the following data, what would you diagnose? FVC
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55%, FEV1/FVC is 89%, FEV1 70% - Correct answer ✔Consistent
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with restrictive disease
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The respiratory therapist is examining a pulmonary pt's record
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and notes that the FEV1/FVC is reported as severly reduced.
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Which of the following is most consistent with that finding? -
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Correct answer ✔Chronic asthma [] [] []
When reviewing the pt records of an adult pt, the FEV1/FVC is
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normal but the FVC is below the normal limit. The most likely
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cause for these findings is - Correct answer ✔Restrictive lung
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disease
A patient with a COPD has a normal slow vital capacity of
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36000mL and a forced vital capacity of 2400mL. Which of the
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following best explains this difference? - Correct answer ✔Air
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trapping during forced expiration [] [] []
A patient w normal lungs should be able to exhale what
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percentage of FVC within one second after initiating an FVC
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Maneuver? - Correct answer ✔70-83% [] [] [] []
Simple spirometry can be used to measure all of the following
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except - Correct answer ✔Functional residual capacity
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Which of the following can be measured at bedside
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1.TLC
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solutions
How much air is blown out in the first second of the FVC
[] [] [] [] [] [] [] [] [] [] [] [] []
maneuver? - Correct answer ✔80% of the FVC
[] [] [] [] [] [] []
A common cause of decreased FEF25-75 is - Correct answer
[] [] [] [] [] [] [] [] [] []
✔Asthma
IC is equal to which of the following? - Correct answer ✔IRV+VT
[] [] [] [] [] [] [] [] [] [] []
When performing a spirometry post bronchodilator, how much
[] [] [] [] [] [] [] []
improvement is necessary in the FEV1 to determine a [] [] [] [] [] [] [] [] []
bronchodilator response? - Correct answer ✔12% [] [] [] [] []
The highest flow generated by a pt would be called? - Correct
[] [] [] [] [] [] [] [] [] [] [] []
answer ✔PEFR []
A restrictive lung disease would primarily - Correct answer
[] [] [] [] [] [] [] [] []
✔Decrease the total lung capacity [] [] [] []
A common cause of decreased TLC is - Correct answer
[] [] [] [] [] [] [] [] [] []
✔Pulmonary fibrosis []
, Based on the following data, what would you diagnose? FVC
[] [] [] [] [] [] [] [] [] []
55%, FEV1/FVC is 89%, FEV1 70% - Correct answer ✔Consistent
[] [] [] [] [] [] [] [] [] []
with restrictive disease
[] []
The respiratory therapist is examining a pulmonary pt's record
[] [] [] [] [] [] [] [] []
and notes that the FEV1/FVC is reported as severly reduced.
[] [] [] [] [] [] [] [] [] []
Which of the following is most consistent with that finding? -
[] [] [] [] [] [] [] [] [] [] []
Correct answer ✔Chronic asthma [] [] []
When reviewing the pt records of an adult pt, the FEV1/FVC is
[] [] [] [] [] [] [] [] [] [] [] []
normal but the FVC is below the normal limit. The most likely
[] [] [] [] [] [] [] [] [] [] [] []
cause for these findings is - Correct answer ✔Restrictive lung
[] [] [] [] [] [] [] [] [] []
disease
A patient with a COPD has a normal slow vital capacity of
[] [] [] [] [] [] [] [] [] [] [] []
36000mL and a forced vital capacity of 2400mL. Which of the
[] [] [] [] [] [] [] [] [] [] []
following best explains this difference? - Correct answer ✔Air
[] [] [] [] [] [] [] [] []
trapping during forced expiration [] [] []
A patient w normal lungs should be able to exhale what
[] [] [] [] [] [] [] [] [] [] []
percentage of FVC within one second after initiating an FVC
[] [] [] [] [] [] [] [] [] []
Maneuver? - Correct answer ✔70-83% [] [] [] []
Simple spirometry can be used to measure all of the following
[] [] [] [] [] [] [] [] [] [] []
except - Correct answer ✔Functional residual capacity
[] [] [] [] [] []
Which of the following can be measured at bedside
[] [] [] [] [] [] [] []
1.TLC
