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PFT FINAL EXAM QUESTIONS AND ANSWERS

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PFT FINAL EXAM QUESTIONS AND ANSWERS

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USMC PFT
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USMC PFT









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2024/2025
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PFT FINAL EXAM QUESTIONS AND
ANSWERS



A662266year66old66patient66with66dyspnea66performs66three66spirometry66trials66the66PFT
66tech66should66do66which66of66the66following?66-66answer--
Perform66at66least66one66more66maneuver

PFT66testing66is66contraindicated66in66which66of66the66following66conditions?66-
66answer--Untreated66pneumothorax


An66FEV1%66is66less66tha66predicted66is66a66good66indication66for66bronchodilator66studi
es.66However,66FEV1%66should66not66be66used66to66judge66bronchodilator66response66-
66answer--True


Which66of66the66following66is66the66most66important66measurement66for66distinguishing66
an66obstructive66impairment?66-66answer--FEV1/VC

Measurement66of66lung66volumes66(TLC)66is66indicated66-66answer--
To66diagnose66restrictive66lung66disease

The66reported66flow66volume66loop66should66come66from66which66trial?66-66answer--
Trial663

A66subject66being66tested66for66possible66environmental66exposure66to66asbestos66prod
uces66the66following66spirometery66results66-66answer--
The66patient66did66not66make66a66good66effort66on66the66MVV

A66subject66has66an66FVC66of661.866L66(39%66of66predicted).66The66same66individual66h
as66a66slow66VC66of662.766L.66Which66of66the66following66might66explain66these66findings
?66-66answer--1.66Airway66compression66in66obstructive66lung66disease
2.66Poor66effort66or66early66termination66of66the66FVC

Only66obstruction66can66cause66the66FEV166to66be66less66than66predicted66-66answer--
False

DLCO66is66commonly66used66to66monitor66drug66toxicity66-66answer--True

, The66following66DLCO66data66(reported66in66ml66CO/min/
mmhg)66are66obtained66from66a66subject.66What66should66technologist66do66next?66-
66answer--Report66the66mean66of66the66second66and66third66trials


Reversibility66of66airway66obstruction66is66considered66significant66for66an66increase66of6
6greater66than66_____%66for66either66the66FEV166or66the66FVC66-66answer--12%


A66patient66with66an66FEV16665%66of66predicted66would66be66considered66what66severit
y66of66obstruction?66-66answer--Moderate

Restrictive66lung66disease66is66characterized66by66the66reduction66of66lung66volumes66in
dicated66by66the66_____66and66____66reduced66below66the66lower66limit66of66normal66-
66answer--TLC66and66VC


Healthy66adults66without66obstruction66can66expire66their66FVC66within66-66answer--4-
666seconds

Regarding66spirometry:66the66only66criterion66for66eliminating66a66test66session66complet
ely66is66the66failure66to66obtain66____66acceptable66maneuvers66after66at66least66______
66attempts66-66answer--266and668


Correct66performance66of66the66DLCOsb66requires66the66subject66to66inspire66at66least66
-66answer--85%66of66the66VC

No66more66than66______66repeated66DLCO66maneuvers66should66be66performed66beca
use66of66the66effect66of66increasing66carboxyhemoglobin66-66answer--5

Measurement66of66respiratory66muscle66strength66is66accomplished66by66assessing66whi
ch66of66the66following?66-66answer--MIP66and66MEP

Which66of66the66following66anthropomorphic66factors66are66used66in66the66calculation66of
66the66patien'ts66predicted66level66of66pulmonary66function?66-66answer--1.66Age
2.66Height
3.66Weight
4.66Race
5.66Sex

The66volume66time66tracing66for66the66FVC66should66show66at66least66how66many66seco
nds66of66forced66effort66-66answer--6

A66subject66who66complains66of66SOB66has66an66FVC66of662.57L66but66her66VC66is662.9
9L.66These66findings66suggest66which66of66the66following?66-66answer--Emphysema

Which66of66the66following66is66recommended66as66the66gold66standard66for66diagnosis66
of66obstructive66lung66disease66-66answer--Spirometry

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