Inflammation and Repair — MCQs

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?

Which of the following is NOT one of Celsus' cardinal signs of inflammation?

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?

Which enzyme is also known as TACE (TNF converting enzyme)?

What is the most important role of bradykinin in acute inflammation?

Granulomatous inflammatory reaction is caused by all, except?

Scar formation is part of the normal healing process following injury. Which of the following tissues has the ability to heal without scar formation?