PFT Exam with precise detailed [] [] [] [] []
solutions
Reasons to perform PFT - Correct answer ✔1 Dx obstructive or
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restrictive disease..2 evaluate causes of dyspnea 3 Assess
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severity of disease 4 Evauate effectiveness of tx 5 Estimate
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prognosis in lung disease (staging) [] [] [] []
Normal PFT values based on: - Correct answer ✔Gender, Age,
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*Height, (Body size) (Race) [] [] []
PFT - Correct answer ✔indentifies devieations from normal
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predicted values []
Normal PFT - Correct answer ✔80-120% of predicted
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Mild PFT - Correct answer ✔65-80% of predicted
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Moderate PFT - Correct answer ✔50-64% of predicted
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Severe PFT - Correct answer ✔< 50 % of predicted
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Tidal Volume (VT) - Correct answer ✔volume of gas (air) that
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moves in and out of lungs in one breath
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, Inspiratory Reserve Volume (IRV) - Correct answer ✔volume of [] [] [] [] [] [] [] [] []
gas that can be forcefully inspired after a normal VT inhalation
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Expiratory Reserve Volume (ERV) - Correct answer ✔volume of
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gas that can be forcefully exhaled after a normal VT exhalation
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Residual Volume (RV) - Correct answer ✔volume of air remaining
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in the lungs after a forced exhalation
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Lung capacities - Correct answer ✔combinations of lung volumes
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Vital Capacity (VC) - Correct answer ✔the volume of air that can
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be exhaled after a maximum inspiration.
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VC = - Correct answer ✔IRV+VT+ERV
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Forced Vital Capacity (FVC) - Correct answer ✔exhalation is done
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as rapidly as possible..Evaluates both large and small
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airways..Effort dependent..repeast 3 FVCs with variation no [] [] [] [] [] [] []
greater than 5% [] []
Slow Vital Capacity (SVC) - Correct answer ✔exhalation is done
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slowly to prevent air trapping.[] [] [] []
Inspiratory Capacity (IC) - Correct answer ✔Volume of air that[] [] [] [] [] [] [] [] [] []
can be inhaled after a normal exhalation.
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solutions
Reasons to perform PFT - Correct answer ✔1 Dx obstructive or
[] [] [] [] [] [] [] [] [] [] []
restrictive disease..2 evaluate causes of dyspnea 3 Assess
[] [] [] [] [] [] [] []
severity of disease 4 Evauate effectiveness of tx 5 Estimate
[] [] [] [] [] [] [] [] [] []
prognosis in lung disease (staging) [] [] [] []
Normal PFT values based on: - Correct answer ✔Gender, Age,
[] [] [] [] [] [] [] [] [] []
*Height, (Body size) (Race) [] [] []
PFT - Correct answer ✔indentifies devieations from normal
[] [] [] [] [] [] [] []
predicted values []
Normal PFT - Correct answer ✔80-120% of predicted
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Mild PFT - Correct answer ✔65-80% of predicted
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Moderate PFT - Correct answer ✔50-64% of predicted
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Severe PFT - Correct answer ✔< 50 % of predicted
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Tidal Volume (VT) - Correct answer ✔volume of gas (air) that
[] [] [] [] [] [] [] [] [] [] []
moves in and out of lungs in one breath
[] [] [] [] [] [] [] []
, Inspiratory Reserve Volume (IRV) - Correct answer ✔volume of [] [] [] [] [] [] [] [] []
gas that can be forcefully inspired after a normal VT inhalation
[] [] [] [] [] [] [] [] [] []
Expiratory Reserve Volume (ERV) - Correct answer ✔volume of
[] [] [] [] [] [] [] [] []
gas that can be forcefully exhaled after a normal VT exhalation
[] [] [] [] [] [] [] [] [] []
Residual Volume (RV) - Correct answer ✔volume of air remaining
[] [] [] [] [] [] [] [] []
in the lungs after a forced exhalation
[] [] [] [] [] [] []
Lung capacities - Correct answer ✔combinations of lung volumes
[] [] [] [] [] [] [] []
Vital Capacity (VC) - Correct answer ✔the volume of air that can
[] [] [] [] [] [] [] [] [] [] [] []
be exhaled after a maximum inspiration.
[] [] [] [] []
VC = - Correct answer ✔IRV+VT+ERV
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Forced Vital Capacity (FVC) - Correct answer ✔exhalation is done
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as rapidly as possible..Evaluates both large and small
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airways..Effort dependent..repeast 3 FVCs with variation no [] [] [] [] [] [] []
greater than 5% [] []
Slow Vital Capacity (SVC) - Correct answer ✔exhalation is done
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slowly to prevent air trapping.[] [] [] []
Inspiratory Capacity (IC) - Correct answer ✔Volume of air that[] [] [] [] [] [] [] [] [] []
can be inhaled after a normal exhalation.
[] [] [] [] [] []
