Fibrinogen and Erythrocyte Sedimentation Rate in Acute Inflammation

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What is the primary role of fibrinogen in relation to erythrocytes?

It prevents erythrocytes from aggregating during inflammation.

It binds to erythrocytes and causes them to sediment more rapidly. (correct)

It facilitates the breakdown of erythrocytes during inflammation.

It promotes the release of erythrocytes from bone marrow during inflammation.

Which of the following is a potential complication of acute inflammation?

Rapid destruction of the causative agent and inflammatory cells.

Progression and spread of the inflammatory process. (correct)

Immediate clearance of necrotic debris and edema fluid.

Complete restoration of the inflamed tissue to its normal state.

What is the primary mechanism by which chronic inflammation can develop?

Persistence of the offending agent or an immune response to self-antigens. (correct)

Immediate clearance of necrotic debris and edema fluid.

Rapid destruction of the causative agent and inflammatory cells.

Complete restoration of the inflamed tissue to its normal state.

Which of the following is a potential outcome of fibrosis and scarring in acute inflammation?

Impaired function of the affected organ. Signup and view all the answers

What is the primary characteristic of suppurative inflammation?

The collection of large amounts of purulent exudate (pus). Signup and view all the answers

Which of the following is a common etiology of suppurative inflammation?

Pyogenic organisms like staphylococci and streptococci Signup and view all the answers

What is the primary characteristic of fibrinous inflammation?

Increased vascular permeability allowing fibrinogen to pass into tissues Signup and view all the answers

In which condition is fibrinous inflammation commonly observed?

Lobar pneumonia Signup and view all the answers

Which of the following is NOT a characteristic of fibrinous inflammation?

Accumulation of protein-rich fluid Signup and view all the answers

What is the primary factor that distinguishes fibrinous inflammation from serous inflammation?

Severity of the underlying injury Signup and view all the answers

What is the primary role of fibrinogen in fibrinous inflammation?

To form fibrin deposits Signup and view all the answers

Which type of inflammation is characterized by the formation of fibrin deposits?

Fibrinous inflammation Signup and view all the answers

What is the main characteristic of pseudomembranous (membranous) inflammation?

Formation of a false membrane composed of fibrin and necrotic epithelium Signup and view all the answers

Which type of cells are involved in acute inflammation?

Neutrophils and macrophages Signup and view all the answers

What chemical mediator is released from neutrophils to destroy phagocytosed microbes and necrotic cells?

ROS Signup and view all the answers

Which cell-derived mediator is produced by mast cells and causes vascular dilation and endothelial cell contraction?

Histamine Signup and view all the answers

What is the main purpose of chronic inflammation?

Continuing inflammation, tissue injury, and fibrosis simultaneously Signup and view all the answers

Which plasma-derived mediator acts as chemotactic agents and opsonins in the inflammatory process?

Complement Signup and view all the answers

Fibrinogen and Erythrocyte Sedimentation Rate in Acute Inflammation

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