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PFT Final Exam Questions with 100% Correct Answers | Verified | Updated
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PFT Final Exam Questions with 100% Correct Answers | Verified | Updated
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PFT Final Exam Questions with 100%Correct Answers | Verified | Updated
A 22 year old patient with dyspnea performs three
spirometry trials the PFT tech should do which of
the following? - Correct Answer-Perform at least
one more maneuver
PFT testing is contraindicated in which of the
following conditions? - Correct Answer-Untreated
pneumothorax
An FEV1% is less tha predicted is a good indication
for bronchodilator studies. However, FEV1% should
not be used to judge bronchodilator response -
Correct Answer-True
Which of the following is the most important
measurement for distinguishing an obstructive
impairment? - Correct Answer-FEV1/VC
Measurement of lung volumes (TLC) is indicated -
Correct Answer-To diagnose restrictive lung
disease
,The reported flow volume loop should come from
which trial? - Correct Answer-Trial 3
A subject being tested for possible environmental
exposure to asbestos produces the following
spirometery results - Correct Answer-The patient
did not make a good effort on the MVV
A subject has an FVC of 1.8 L (39% of predicted).
The same individual has a slow VC of 2.7 L. Which
of the following might explain these findings? -
Correct Answer-1. Airway compression in
obstructive lung disease
2. Poor effort or early termination of the FVC
Only obstruction can cause the FEV1 to be less
than predicted - Correct Answer-False
DLCO is commonly used to monitor drug toxicity -
Correct Answer-True
The following DLCO data (reported in ml
CO/min/mmhg) are obtained from a subject. What
should technologist do next? - Correct Answer-
Report the mean of the second and third trials
, Reversibility of airway obstruction is considered
significant for an increase of greater than _____%
for either the FEV1 or the FVC - Correct Answer-
12%
A patient with an FEV1 65% of predicted would be
considered what severity of obstruction? - Correct
Answer-Moderate
Restrictive lung disease is characterized by the
reduction of lung volumes indicated by the _____
and ____ reduced below the lower limit of normal -
Correct Answer-TLC and VC
Healthy adults without obstruction can expire their
FVC within - Correct Answer-4-6 seconds
Regarding spirometry: the only criterion for
eliminating a test session completely is the failure
to obtain ____ acceptable maneuvers after at least
______ attempts - Correct Answer-2 and 8
Correct performance of the DLCOsb requires the
subject to inspire at least - Correct Answer-85% of
the VC
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