Practice

Question 1

What is the primary puprose of spirometry in occupational health?

Answer 1

To identify occupational and non-occupational lung problems

Question 2

The acinus is made up of what components?

Answer 2

The respiratory bronchiole, alveloar duct and alveolus

Question 3

During what stage does gas exchange at the alveolar-capillary membrane occur?

Answer 3

Respiration

Question 4

Which of the following will yield the FRC?

Answer 4

ERV + RV

Question 5

Increased lung compliance and decreased elastic recoil are characteristics of disease like asbestosis.

Answer 5

False

Question 6

Emphysema is a condition characterized by decreased airflow rate and increased compliance

Answer 6

True

Question 7

A 44-year-old male Caucasian worker’s FEV1 is 4 L. The FVC is 4.5 L. Therefore, using percentages the FEV1/FVC ratio is normal

Answer 7

True

Question 8

An FEV1 percentage (observed/predicted) for the same worker is 75%. How would you characterize this using percentages?

Answer 8

Abnoraml, because it is below 80%.

Question 9

Which of the following statements is true about restrictive disease?

Answer 9

The FVC is decreased; the FEV1 is normal or decreased, and the FEV1/FVC ration is normal or increased.