03-24-2005, 06:22 AM
A 56-year-old man has had increasing dyspnea for 6 years. He has no cough or fever. He was inhaling silica dust for many years in his job. A chest x-ray now shows increased intersitital markings and parenchymal 1 to 3 cm nodules. His pulmonary problems are most likely to be caused by which of the following inflammatory processes?
A Neutrophilic infiltration with release of leukotrienes
B Foreign body giant cell formation
C Plasma cell production of immunoglobulin
D Histamine release by mast cells
E Release of growth factors by macrophages
A Neutrophilic infiltration with release of leukotrienes
B Foreign body giant cell formation
C Plasma cell production of immunoglobulin
D Histamine release by mast cells
E Release of growth factors by macrophages