Prevalence of Coal Workers' Pneumoconiosis (CWP) in Different Regions
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Questions and Answers

What is the leading cause of occupational lung disease in the United States and other developed countries?

  • Mesothelioma
  • Pneumoconioses
  • Work-related asthma (correct)
  • Asbestos exposure

What percentage of newly diagnosed cases of asthma in adults is estimated to be caused by occupational exposures?

  • 20% to 30%
  • 30% to 40%
  • 5% to 10%
  • 10% to 15% (correct)

Which disease is the most common cause of pneumoconiosis?

  • Coal workers’ pneumoconiosis
  • Mesothelioma
  • Asbestosis (correct)
  • Silicosis

Which program tracks the prevalence of coal workers’ pneumoconiosis in the US?

<p>Coal Workers’ Health Surveillance Program (D)</p> Signup and view all the answers

Why is it difficult to quantify the number of asbestos-related lung cancers according to the text?

<p>Smoking attribution confounds the estimates (C)</p> Signup and view all the answers

What caused an increase in annual deaths from malignant mesothelioma according to CDC data from 1999 to 2015?

<p>Smoking-related factors (B)</p> Signup and view all the answers

What is among the 10 leading causes of work-related illness in the United States?

<p>Occupational lung disease (D)</p> Signup and view all the answers

Which of the following is NOT mentioned as a causal agent for occupational and environmental lung diseases?

<p>Bacteria (A)</p> Signup and view all the answers

In what way can toxic exposures affect the respiratory tract according to the text?

<p>Affect the upper respiratory tract and lower respiratory tract (A)</p> Signup and view all the answers

Why is it crucial for the primary care physician to have knowledge about occupational/environmental lung diseases?

<p>To recognize potential toxic exposures (B)</p> Signup and view all the answers

What can result from continued exposure to toxic agents according to the text?

<p>Adverse cardiovascular consequences (C)</p> Signup and view all the answers

Why is prevention of exposure important for reducing morbidity and mortality from occupational and environmental lung diseases?

<p>To prevent irreversible physiological changes (C)</p> Signup and view all the answers

What is a critical reason for recognizing the relationship between respiratory symptoms and toxic agents?

<p>To ensure proper diagnosis and treatment (D)</p> Signup and view all the answers

What is a common way occupational lung diseases are caused?

<p>All of the above (D)</p> Signup and view all the answers

How can low-dose exposure contribute to disease development?

<p>It can cause disease over time (D)</p> Signup and view all the answers

What is a characteristic symptom of inflammation in the upper respiratory tract?

<p>Excessive mucus secretion (A)</p> Signup and view all the answers

What type of response is typically seen in the lower respiratory tract due to irritant exposure?

<p>Bronchospasm (D)</p> Signup and view all the answers

What can result from a fibrotic response in small airways?

<p>Fixed obstructive lesions (D)</p> Signup and view all the answers

Which factor contributes to the clinical expression of occupational lung diseases?

<p>Both exposures and host factors (C)</p> Signup and view all the answers

What is one way bystander exposure can lead to occupational lung disease?

<p>By living close to toxic sources (B)</p> Signup and view all the answers

What was the prevalence of CWP in the central Appalachian region of the United States?

<p>10% (A)</p> Signup and view all the answers

Which variable contributes to a greater risk of CWP according to the text?

<p>Smaller number of employees per mine (C)</p> Signup and view all the answers

Where is respirable crystalline silica commonly found?

<p>In ceramics and pottery (D)</p> Signup and view all the answers

What group of workers is mentioned as being particularly at risk of exposure to respirable crystalline silica?

<p>Stone cutters (C)</p> Signup and view all the answers

Why do these figures underestimate the true occurrence of occupational lung diseases?

<p>Physicians lack training in occupational medicine (A)</p> Signup and view all the answers

How does the latency period between exposure and manifestation of disease affect diagnosis?

<p>It can obscure the causal relationship (B)</p> Signup and view all the answers

What do clinical findings in patients with work-related lung disease resemble?

<p>Symptoms of non-occupational lung disease (B)</p> Signup and view all the answers

What is the most common occupational lung disease in developed countries?

<p>Occupational Asthma (OA) (D)</p> Signup and view all the answers

What percentage of working adults with asthma have Work-Exacerbated Asthma (WEA)?

<p>25% (A)</p> Signup and view all the answers

How many agents have been reported to cause Occupational Asthma (OA)?

<p>250 (A)</p> Signup and view all the answers

What are the two classifications of Occupational Asthma based on latency?

<p>High-molecular-weight and low-molecular-weight agents (D)</p> Signup and view all the answers

Which type of agent causes asthma with latency that is IgE-mediated?

<p>High-molecular-weight (HMW) agents (B)</p> Signup and view all the answers

What is the difference between new-onset asthma and work-exacerbated asthma?

<p>The presence of preexisting asthma worsened by workplace exposures (A)</p> Signup and view all the answers

Which agents cause asthma without latency?

<p>(LMW) agents (C)</p> Signup and view all the answers

What type of asthma is classified as irritant-induced?

<p>(LMW) agent-induced asthma (C)</p> Signup and view all the answers

Which type of agent is more likely to cause Immunologically-mediated asthma?

<p>(HMW) agents (C)</p> Signup and view all the answers

'Asthma without latency' is typically associated with exposure to which kind of agents?

<p>(LMW) agents (D)</p> Signup and view all the answers

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