PFT EXAM QUESTIONS WITH VERIFIED
ANSWERS
You are the RT performing Pulmonary Function
Tests (PFT) in your department. A
physician calls, and inquiries about which one test
is most indicative of impairment
due to pulmonary fibrosis. You correctly suggest:
a. FVC% of predicted
b. FEV1/FVC
c. minute ventilation
d. FEV1% of predicted - Correct Answer-a. FVC% of
predicted
A 74 y/o male has been diagnosed with pulmonary
emphysema for 26 years. With
a 130 pack-year history, he has been virtually
confined to a chair for 4 years and
uses continuous supplemental oxygen at 2 I/m via
nasal cannula. His last stable
ABG, spontaneously breathing, was:
FI02 10
Hgb 19
pH 7.35
, PaC02 71 Torr
Pa02 51 Torr
HC03 39 meg/L
02 sat 80%
Nasal cannula @ 2 I/m
Which of the following would not be an expected
pulmonary function result?
a. obstructive component
b. restrictive component
c. decreased FRC
d. increased RV/TLC ratio - Correct Answer-C.
decreased FRC
Of the following, which would not be an appropriate
application of pulmonary function testing?
a. to determine of a disease is present
b. to determine if the disease is getting worse, or
better
c. to determine if the current treatment regimen is
acceptable
d. to document disability for a healthy individual -
Correct Answer-D. to document disability for a
healthy individual
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