Mesothelioma Navy Asbestos-Related Diseases & Health Effects 1

Question 1

What is asbestosis?

Accepted Answer

Progressive scarring of the lungs caused by inhaled asbestos fibers

Answer

Asbestosis is a chronic fibrotic lung disease caused by the inhalation of asbestos fibers, leading to progressive scarring (fibrosis) of lung tissue that reduces breathing capacity.

Question 2

What is the typical latency period for asbestos-related diseases to develop after initial exposure?

Accepted Answer

20–50 years

Answer

Asbestos-related diseases typically have a latency period of 20–50 years between initial exposure and symptom onset, which is why many Navy veterans are only now being diagnosed.

Question 3

What are pleural plaques?

Accepted Answer

Localized areas of fibrous thickening on the parietal pleura

Answer

Pleural plaques are localized, discrete areas of fibrous thickening on the parietal pleura and are the most common indicator of prior asbestos exposure, though they are benign.

Question 4

Compared to non-exposed non-smokers, smokers who were also exposed to asbestos have approximately what increased risk of developing lung cancer?

Accepted Answer

50–90 times greater

Answer

The combination of cigarette smoking and asbestos exposure creates a synergistic effect, increasing lung cancer risk approximately 50–90 times compared to individuals with neither risk factor.

Question 5

What is diffuse pleural thickening (DPT)?

Accepted Answer

Extensive fibrous scarring of the visceral pleura that can restrict lung function

Answer

Diffuse pleural thickening is widespread fibrous scarring of the visceral pleura that can fuse with the parietal pleura and significantly restrict lung expansion and breathing capacity.

Mesothelioma Navy Practice Test

Mesothelioma Navy Practice Test

Mesothelioma Navy Asbestos-Related Diseases & Health Effects 1