PFT TEST EXAM WITH 100% CORRECT
ANSWERS
In which of the following conditions is total lung
capacity (TLC) always reduced? - Correct Answer-
restrictive lung disease
The vital capacity includes: - Correct Answer-I. tidal
volume
II. inspiratory reserve volume
III. expiratory reserve volume
Which of the following provides the best
information when determining obstructive disease?
- Correct Answer-FEV1/FVC%
In terms of other volumes and capacities, how can
VC be defined? - Correct Answer-VT+IRV+ERV
What is the most common measurement of
pulmonary mechanics during pulmonary function
testing? - Correct Answer-forced vital capacity
A patient has a VC of 4200 mL, and FRC of 3300
mL, and an ERV of 1500 mL. What is the RV? -
Correct Answer-1800mL
,Which of the following volumes or capacities can
not be measured by simple spirometry? - Correct
Answer-I. functional residual capacity (FRC)
II. expiratory reserve volume (ERV)
In which of the following conditions is total lung
capacity (TLC) always reduced? - Correct Answer-
restrictive lung disease
In order for patients with obstructive lung disease
to be considered to have a significant reversible
component, the post bronchodilator FEV1 (forced
expiratory volume in the first second) should be at
least what percentage greater than the pre-
treatment FEV1? - Correct Answer-10%-15%
A 65 year-old man undergoes pulmonary function
testing as part of a research study. He has no
pulmonary complaints. He has never been a smoker
but has a history of asbestos exposure while serving
in the Navy. His pulmonary function test results are
as follows:
TestActualPredicted% PredictedFVC
(L)4.394.32102FEV1
(L)3.203.3795FEV1/FVC0.730.78N/AFRC
(L)3.173.2598RV (L)2.542.32109TLC
, (L)6.866.09113 - Correct Answer-this patient has
normal spirometry and lung volumes.
When used to determine FRC, the body
plethysmograph operates on which of the following
physical principles? - Correct Answer-Boyle's law
After a resting expiration, air still remains in the
lungs. What is the volume called? - Correct Answer-
FRC
For a patient diagnosed as having pulmonary
fibrosis, which of the following would represent his
pulmonary function study? TLC VC RV ERV -
Correct Answer-decreased decreased decreased
decreased
Please interpret the following PFT:
Predicted Actual %Pred
FVC(L) 6.11 4.96 81%
FEV1(L) 5.32 5.40 101%
Fev1/FVC(%) 87% 108% - Correct Answer-normal
PFT
In order for patients with obstructive lung disease
to be considered to have a significant reversible
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.
