NBRC Pulmonary Function Studies- Questions and Answers

NBRC Pulmonary Function Studies- Questions and
Answers

MVV tests what? Normals? Correct Ans-This measurement tests for overall lung function,
ventilatory reserve capacity, and air-trapping.

Normal value is 170 L/min.



Obstructive Diseases: These diseases result in decreased flow studies (FEV1, FEV/FVC,
FEF25%-75%, FEF200-1200) and increased FRC, TLC, and RV values. Correct Ans-Obstructed
to Flow

1. Emphysema

2. Asthma

3. Bronchitis

4. Cystic fibrosis

5. Bronchiectasis




An FEV1/FVC of <70 % will indicate what? Correct Ans-Obstructive disease




Severity of disease (by interpretation of pulmonary function tests) Correct Ans-Mild: < 80%
of predicted VC

Moderate: 60%-69% of predicted VC

Moderately severe: 50%-59% of predicted VC

Severe: 34%-49% of predicted VC

Very severe: <34% of predicted VC