PFT Exam Questions With 100% Correct
Answers 2024/2025
What portion of the FVC cannot be influenced by
further muscular effort? - Correct Answer-last 70%
Which lung volume or capacity is defined as the
volume of gas that can be inhaled after a normal
expiration? - Correct Answer-IC
Which one of the lung capacities is the smallest? -
Correct Answer-FRC
In a healthy adult, what percent of the total FVC
should be exhaled in 2 seconds? - Correct Answer-
94%
At what lung capacity or volume should MEP be
measured? - Correct Answer-TLC
Which lung volumes or capacities would decrease
in an obstructive pulmonary disorder?
I. IC
II. VC
, III. IRV
IV. ERV - Correct Answer-I, II, III, and IV only
Body plethysmography uses a modification of which
law to indirectly measure gas volume within the
lungs? - Correct Answer-Boyle's law
Which of the following causes a reduction in MVV?
I. Obstructive disorders
II. Age
III. Restrictive disorders - Correct Answer-I and II
only
Which maneuvers form a flow-volume loop? -
Correct Answer-FVC and FIC
What is the term for the lung volume or capacity
moved in or out in one resting breath? - Correct
Answer-VT
Which test/method is considered most accurate for
measuring RV? - Correct Answer-plethysmography
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