Acute Inflammation Clinicopathological Features Quiz

18 Questions

What are the main components of acute inflammation?

Vascular events, cellular events, and chemical mediators

Which step involves the recognition of the injurious agent in the inflammatory response?

Step 1

Which cardinal feature of acute inflammation is associated with increased blood flow, increased permeability, and stasis?

Erythema

What is the role of leukocyte recruitment in acute inflammation?

Enhancing immune response

Which event accounts for the clinical symptoms and signs of acute inflammation?

Stasis and edema

What causes transient vasoconstriction in acute inflammation?

Histamine and NO effects on vascular smooth muscle

What is the characteristic feature of purulent (suppurative) inflammation?

Exudate consisting of neutrophils, cellular debris, and edema fluid

What is the commonest cause of purulent inflammation?

Bacteria

What is an abscess?

A localized collection of pus within tissues or cavities

What is empyema?

A collection of pus within an existing anatomical cavity

What are the requirements for resolution of acute inflammation to occur?

Limited tissue injury or no/minimal tissue damage

Which type of leucocyte is predominant in inflammatory lesions caused by bacteria?

Neutrophils

What characterizes chronic inflammation?

Simultaneous occurrence of acute inflammation and tissue injury

What type of inflammation is characterized by the exudation of cell-poor fluid into body cavities?

Serous inflammation

Which leucocyte type is associated with inflammation caused by parasites and allergic reactions?

Eosinophils

What is the predominant type of leucocyte in inflammatory lesions caused by viruses?

Lymphocytes

Which type of inflammation is characterized by a protein-rich exudate with fibrin deposition?

Fibrinous inflammation

What type of inflammation is typically associated with pleural, peritoneal, or pericardial effusions?