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Chapter 18. Thoracic Wall, Pleura, Mediastinum, & Lung

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Chest wall masses

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A. Are nearly always benign

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B. Are common in postmenopausal women

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C. Mostly arise from bone or cartilage

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D. Most commonly arise from muscle, nerve, or fascia

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E. Are rarely resectable

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C. Mostly arise from bone or cartilage

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Risk factors for lung cancer include all of the following except

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A. Exposure to asbestos

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B. Tobacco smoking

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C. Vitamin A deficiency

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D. Iodine deficiency

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E. Exposure to arsenic

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D. Iodine deficiency

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Pleural effusion, the presence of fluid within the pleural space, can collect through all of the following mechanisms except

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A. Increase in the pulmonary vascular hydrostatic pressure (congestive heart failure and mitral stenosis)

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B. Ureteral obstruction with transdiaphragmatic urine leak

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C. Decrease in the vascular colloid oncotic pressure (hypoproteinemia)

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D. Increase in the capillary permeability due to inflammation (pneumonia, pancreatitis, and sepsis)

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E. Pancreatic pseudocyst rupture with transdiaphragmatic movement of abdominal fluid

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B. Ureteral obstruction with transdiaphragmatic urine leak

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The four sources of mediastinal infection include the following, except

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A. Spontaneous bacterial mediastinitis of sarcoidosis

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B. Direct contamination

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C. Hematogenous or lymphatic spread

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D. Extension of infection from the neck or retroperitoneum

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E. Extension from the lung or pleura

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A. Spontaneous bacterial mediastinitis of sarcoidosis

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Cystic fibrosis is all of the following except

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A. An autosomal recessive multisystem congenital disorder

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B. Characterized by chronic airway obstruction and infection

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C. The result of mutation in the cystic fibrosis transmembrane regulator gene

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D. Effectively cured by double lung transplantation with a 10-year graft survival exceeding 85%

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E. A predisposing factor for chronic lung infection

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