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Local and Acute Inflammatory Reactions Quiz

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Local and Acute Inflammatory Reactions Quiz

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Questions and Answers

What is the primary reason for the slowing of blood stream during acute inflammatory reactions?

Vasoconstriction

Increased vascular permeability and exudate formation (correct)

Swelling and roughness of vascular endothelium

Opening of new capillary buds

Which of the following is NOT a function of the inflammatory fluid exudate?

Increasing the osmotic pressure of the interstitial tissue (correct)

Providing a fibrin network to localize infection

Facilitating the movement of acute inflammatory cells

Diluting toxins to minimize their effects on cells

What is the primary reason for the transient vasoconstriction during the vascular response in acute inflammation?

Increased blood flow

Direct stimulation of the vascular wall of arterioles (correct)

Release of vasodilator substances like histamine

Local axon reflex

Which of the following is a characteristic of the inflammatory fluid exudate?

High specific gravity Signup and view all the answers

What is the primary reason for the dilatation of lymphatics during acute inflammation?

To increase the drainage of excess extravasated fluid back to blood Signup and view all the answers

What is the role of fibroblasts in the inflammatory response?

To proliferate and start the repair process Signup and view all the answers

Which of the following is the correct order of events in the exudation of leukocytes?

Margination, adhesion, emigration, chemotaxis Signup and view all the answers

What is the process called when leukocytes firmly stick to endothelial cells with the help of adhesion molecules?

Adhesion Signup and view all the answers

Which of the following substances are responsible for attracting leukocytes towards the site of injury?

Both bacterial products and components of the complement system Signup and view all the answers

What is the process called when specific antibodies help phagocytic cells recognize and attach to bacteria?

Opsonization Signup and view all the answers