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Exam (elaborations)

NBRC PULMONARY FUNCTION STUDIES. EXAM 2025 QUESTIONS AND ANSWERS

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Forced expiratory volume (FEV0.5, FEV1, FEV3) - ANS The volume of air that is exhaled over a specific time interval during the FVC maneuver. b. It's measured over 0.5, 1, or 3 sec. The FEV1 is the most common measurement. FEV is usually decreased in? - ANS in both obstructive and restrictive disease. FEV1/FVC (ratio) - ANS A ratio of the relationship of FEV to FVC. Obstructive and restrictive FEV/FVC - ANS Obstructive disease is indicated by below normal values of FEV/FVC. Patients with restrictive disease have normal or above normal values. FEF200-1200 - ANS The average flow rate of the exhaled air after the first 200 mL during an FVC maneuver. Normal? 6-7 L/sec (400 L/min) FEF25%-75% - ANS The average flow rate during the middle portion of the FEV. Normal 4 to 5 L/sec

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2024/2025
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  • nbrc pulmonary function studies exam 2025 questio

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NBRC PULMONARY FUNCTION
STUDIES. EXAM 2025 QUESTIONS AND
ANSWERS


Forced expiratory volume

(FEV0.5, FEV1, FEV3) - ANS The volume of air that is exhaled over a specific time interval
during the FVC maneuver.


b. It's measured over 0.5, 1, or 3 sec. The FEV1 is the most common measurement.



FEV is usually decreased in? - ANS in both obstructive and restrictive disease.



FEV1/FVC (ratio) - ANS A ratio of the relationship of FEV to FVC.



Obstructive and restrictive FEV/FVC - ANS Obstructive disease is indicated by below normal
values of FEV/FVC. Patients with restrictive disease have normal or above normal values.



FEF200-1200 - ANS The average flow rate of the exhaled air after the first 200 mL during an
FVC maneuver.
Normal? 6-7 L/sec (400 L/min)



FEF25%-75% - ANS The average flow rate during the middle portion of the FEV. Normal 4 to 5
L/sec



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