Inflammation and Repair — MCQs

Myofibroblasts are typically seen in which of the following locations?

In the lipoxygenase pathway, which of the following arachidonic acid products helps in vasoconstriction and increased vascular permeability?

Arrange the vascular events in the correct chronological order during acute inflammation:

Activation of fibroblasts and deposition of connective tissue are orchestrated by all of the following except:

COX-2 primarily inhibits which step in inflammation?

A 59-year-old man experiences acute chest pain and is rushed to the emergency room. Laboratory studies and ECG demonstrate an acute myocardial infarction. Coronary artery angiography performed 2 hours later does not show evidence of thrombosis. Which of the following mediators of inflammation causes relaxation of vascular smooth muscle cells and vasodilation of arterioles at the site of myocardial infarction?

A 9-year-old boy receives a deep laceration over his right eyebrow while playing ice hockey. The wound is cleaned and sutured. Which of the following collagens is deposited first during wound healing?

What is the term for the movement of leukocytes across the endothelium?

A 58-year-old woman undergoes lumpectomy for breast cancer. One month following surgery, she notices a firm 0.3-cm nodule along one edge of the surgical incision. Biopsy of this nodule reveals chronic inflammatory cells, multinucleated giant cells, and extensive fibrosis. The multinucleated giant cells in this nodule most likely formed in response to which of the following pathogenic stimuli?

What is the most important bactericidal agent?