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Chapter 19. Thoracic Wall, Pleura, Mediastinum, & Lung

Chest wall masses:

A. Are nearly always benign.

B. Are common in postmenopausal women.

C. Mostly arise from bone or cartilage.

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

E. Are rarely resectable.

The correct answer is C. Mostly arise from bone or cartilage

Risk factors for lung cancer include all of the following except:

A. Exposure to asbestos.

B. Tobacco smoking.

C. Vitamin A deficiency.

D. Iodine deficiency.

E. Exposure to arsenic.

The correct answer is D. Iodine deficiency

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

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

B. Ureteral obstruction with transdiaphragmatic urine leak.

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

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

E. Pancreatic pseudocyst rupture with transdiaphragmatic movement of abdominal fluid.

The correct answer is B. Ureteral obstruction with transdiaphragmatic urine leak

The four sources of mediastinal infection include all of the following except:

A. Spontaneous bacterial mediastinitis of sarcoidosis.

B. Direct contamination.

C. Hematogenous or lymphatic spread.

D. Extension of infection from the neck or retroperitoneum.

E. Extension from the lung or pleura.

The correct answer is A. Spontaneous bacterial mediastinitis of sarcoidosis

Cystic fibrosis is all of the following except:

A. An autosomal recessive multisystem congenital disorder.

B. Characterized by chronic airway obstruction and infection.

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

D. Effectively cured by double lung transplantation with a 10-year graft ...

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