A patient presents with redness and heat at an inflamed site. Which mechanism primarily explains these findings?

A man develops a blister on his hand after touching a hot pan. The blister contains clear fluid. Which type of inflammation is this?

A diabetic patient presents with a painful, fluctuant mass under the skin. The lesion contains pus with many neutrophils and necrotic debris. The most likely diagnosis is:

A child develops bacterial pneumonia. After antibiotics, the lung returns to completely normal structure. What outcome occurred?

A woman with long-standing hepatitis shows lymphocytes, plasma cells, and macrophages in her liver biopsy. Which hallmark feature is present?

A cavitary lung lesion shows epithelioid cells, Langhans giant cells, and central caseous necrosis. What process is this?

A woman develops a persistent inflammatory nodule around a retained suture. Biopsy shows multinucleated giant cells surrounding refractile material under polarized light. This represents:

A deep skin wound shows proliferation of fibroblasts, new blood vessels, and collagen deposition. Which repair mechanism dominates?

A surgical incision heals with minimal granulation tissue and no significant scarring. This healing pattern is known as: