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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller professoraxel. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.