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Inflammation: Types and Causes

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Questions and Answers

What are the types of inflammation?

Rapid and Gradual

Exudative and Productive

Acute and Chronic (correct)

Short and Longer duration

What is the effect of chemical mediators on blood vessels during inflammation?

Increased vascular permeability leading to inflammatory exudate (correct)

Decreased vascular permeability preventing swelling

Dilatation of arterioles leading to reduced redness

Vasoconstriction preventing blood flow

What is the process by which leukocytes accumulate in the focus of injury?

Vasoconstriction, vasodilatation, stasis

Leucocyte emigration, vasoconstriction, dilatation

Margination, rolling, transmigration, adhesion, chemotaxis, phagocytosis (correct)

Increased vascular permeability, fibrosis, productive inflammation

What is the initial vascular response to tissue injury?

<p>Vasoconstriction followed by vasodilatation</p> Signup and view all the answers

"Redness & hotness" in inflamed tissues are primarily due to:

<p>Dilatation of arterioles</p> Signup and view all the answers

Study Notes

Types of Inflammation

There are two main types of inflammation: acute and chronic inflammation

Effects of Chemical Mediators on Blood Vessels

Chemical mediators cause vasodilation, leading to increased blood flow to the affected area
They also increase permeability of blood vessels, allowing for the escape of plasma proteins and fluid into the tissue

Leukocyte Accumulation

Leukocytes accumulate in the focus of injury through a process called chemotaxis, where they migrate towards chemical signals
The chemical signals are released by damaged tissues or activated cells

Initial Vascular Response to Tissue Injury

The initial vascular response to tissue injury is vasoconstriction, which reduces blood flow to the affected area
This is followed by vasodilation, which increases blood flow and allows for the delivery of leukocytes and plasma proteins to the affected area

Characteristics of Inflamed Tissues

Redness and hotness in inflamed tissues are primarily due to increased blood flow and vasodilation caused by chemical mediators

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Description

Test your understanding of inflammation with this quiz covering the definition, types, and causes of acute and chronic inflammation. See if you can differentiate between the characteristics of acute and chronic inflammation and identify various causes of inflammation.