RESPIRATORY PATHOLOGY questions with verified answers (updated A+)

What types of Bronchogenic Carcinoma are there? - Answers-Non-small cell (accounting for 80% of lung cancers) like Squamous Carcinoma (most common; typically in major central bronchi), Adenocarcinoma (usually arising in periphery of lung), and Bronchiolar Carcinoma (aka:alveolar; least common). Small Cell - Oat cell carcinoma How does bronchogenic Carcinoma show radiographically? - Answers-Produces a broad spectrum of radiographic abnormalities that depend on the site of the tumor and its relationship to the bronchial tree. What is a Pulmonary Embolism? - Answers-It is the thrombosis of veins in the the lungs. It is the most common lung pathology of hospitalized patients and may be fatal. It is asymptomatic in about 80% of cases and is difficult to diagnose even in those with symptoms. More than 95% of embolisms arise from deep vein thrombosis in lower extremities due to preferential blood flow there.