23 Questions
What is the primary function of the membrane attack complex formed by C5b binding to C6-C9?
Inducing cell lysis by forming a hole in the cell membrane
Which of the following proteins binds to specific receptors and promotes phagocytosis by neutrophils and macrophages?
C3b
What are the cardinal signs of acute inflammation, as described in the text?
Toxemia
Which cells are primarily involved in phagocytosis to clear foreign bodies like bacteria and debris?
Macrophages
What is the role of chemotaxis in the process of phagocytosis?
Movement of phagocytes towards microbes
Which of the following is NOT a factor that helps in phagocytosis according to the text?
Antibodies
What is the role of chemo-attraction in the immune response process?
Recognition of pathogens by leukocytes
What is the main function of neutrophils in the immune response?
Phagocytosis and killing microbes
How do leukocytes pass through gaps between intact endothelium during transmigration?
Via pseudopodia
What is the role of fibrinogen in the immune response?
Form a network of fibrin threads to localize infection
Which process involves coating a microorganism to help phagocytosis?
Opsonization
Where are the small proteins that are part of the immune system primarily formed?
In the liver
What is the primary function of Neutrophils during inflammation?
Produce proteolytic enzymes
What is the effect of healing by fibrosis on tissues?
Narrowing, pressure atrophy, and organ dysfunction
What is the role of the reticulo-endothelial system in the immune response?
Consists of phagocytic cells involved in immune responses
What are the beneficial effects of inflammation mentioned in the text?
Dilution of toxins and phagocytosis
What is the primary function of Eosinophils in the inflammatory response?
Parasitic inflammation and allergy
What is the purpose of inflammation?
To eliminate the cause and clear necrotic cells
What is the main reason behind the redness observed in inflammation?
Vasodilatation
Which component is not involved in the five components of a disease according to pathology?
Symptoms
What causes pain during inflammation?
Irritation of nerve endings by toxins and chemical mediators
Which factor contributes to swelling in the context of inflammation?
Hemoconcentration
What initiates leukocytes extravasation in inflammation?
Histamine release
Test your knowledge on inflammation with this quiz by Prof. Dr. Mahmoud Tag, Head of Pathology Department at MUST University. Learn about the definition of inflammation, vascular phenomena, acute and chronic inflammation differences, and mechanism of leukocytes extravasation.
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