Which term best describes diseases of the lung parenchyma that are usually occupational or environmental in origin and caused by the chronic inhalation of inorganic dusts and particulate matter?

BONUS: The most common cause of lung cancer is:

Which of the following would be the “expected” A-a gradient for a 68 year old female?

Which of the following disorders is suggested by the CXR below resulting from chronic inhalation of crystalline for greater than 20 years?

Which of the following is the primary abnormality in the patient described in the previous question?

All of the following are true about adenocarcinoma, EXCEPT:

BONUS: An asthmatic’s airway radius is narrowed by 16% during an exacerbation. Which of the following statements regarding the mechanics of ventilation is true? (Think back to A&P on ventilation).

Match the type of respiratory failure with a disorder:

In acute hypercapnic respiratory failure, what is the relationship between pH and PaCO2?

Which of the following statements best defines acute hypercapnic respiratory failure?