Inflammation Pathology Quiz

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Questions and Answers

What is the main reason for redness in inflammation?

Vasodilatation (correct)
Histamine release
Swollen endothelium
Vasoconstriction

What causes pain in inflammation?

Vasoconstriction
Leukocyte migration
Hemoconcentration
Compression of nerves by exudate (correct)

Which process involves leukocytes passing through gaps between intact endothelium?

Activation
Chemo-attraction
Transmigration (correct)
Adhesion

What is the main reason for swelling of endothelial cells during inflammation?

Diapedesis through intact vessels (D) Signup and view all the answers

Which molecules cause the immobilization of leukocytes during adhesion in inflammation?

Integrin and Endothelial cells (C) Signup and view all the answers

What initiates the rolling phase of leukocytes during the inflammatory response?

Recognition of pathogens by leukocytes (B) Signup and view all the answers

What is the purpose of inflammation?

To eliminate the cause of injury (A) Signup and view all the answers

Which component is NOT involved in inflammation?

Nervous system (A) Signup and view all the answers

What is the main function of leukocytes in inflammation?

To eliminate pathogens and damaged cells (B) Signup and view all the answers

Which term describes the reaction of living tissue against injury?

Inflammation (A) Signup and view all the answers

What is the primary reason for leukocytes extravasation during inflammation?

To migrate from blood vessels to the site of injury (D) Signup and view all the answers

What is the function of neutrophils in the inflammation area?

Perform phagocytosis and kill microbes (D) Signup and view all the answers

Which process involves forming a network of fibrin threads to localize infection?

Fibrinogen clot formation (D) Signup and view all the answers

What is the role of antibodies in the immune system?

Block antigen receptors (C) Signup and view all the answers

Which protein complex forms a hole in the cell membrane during cell lysis?

Membrane attack complex (D) Signup and view all the answers

What stimulates histamine release and acts as a strong leukocyte chemoattractant?

Anaphylatoxins (C) Signup and view all the answers

What promotes phagocytosis by neutrophils and macrophages by binding to specific receptors?

Complement proteins (A) Signup and view all the answers

What are the harmful effects of inflammation?

Swelling of inflamed tissues with obstruction and loss of function (C) Signup and view all the answers

What is the main characteristic of hypersensitivity in inflammation?

Exaggerated response of inflammatory cells (C) Signup and view all the answers

What do selectins and integrins refer to in the context of inflammation?

Adhesion molecules on endothelial cells and leukocytes (B) Signup and view all the answers

What does opsonization refer to in the process of inflammation?

Enhancement of phagocytosis by coating pathogens (D) Signup and view all the answers

Which of the following best describes the role of complement in inflammation?

Enhancing phagocytosis and immune response (A) Signup and view all the answers

What is the main function of neutrophils and macrophages in the context of phagocytosis?

Remove waste materials from the area of inflammation (D) Signup and view all the answers

Which of the following factors help enhance phagocytosis alongside opsonins and complement?

Fibrin (B) Signup and view all the answers

What is the term for the process where a phagocyte engulfs a microbe after chemotaxis and adherence?

Phagocytosis (D) Signup and view all the answers

In chronic inflammation, which type of cells are typically present in higher numbers compared to acute inflammation?

Plasma cells (A) Signup and view all the answers

What is a common manifestation of acute inflammation microscopically when examining blood vessels?

BNL polymorphs (C) Signup and view all the answers

Which component of the immune system is involved in producing collagen during tissue repair in cases of chronic inflammation?

Tissue histiocytes (B) Signup and view all the answers

Flashcards

Why does inflammation cause redness?

Dilation widens blood vessels, increasing blood flow to the area.

What causes pain during inflammation?

Exudate accumulation compresses nerve endings, causing discomfort.