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Microbial Invasion Barriers Quiz

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Questions and Answers

What are the cardinal signs of acute inflammation?

Bruising, stiffness, tingling, and throbbing

Pallor, coldness, numbness, and itching

Redness, warmth, pain, and swelling (correct)

Blanching, tenderness, pulsation, and stiffness

Which type of response is the immediate reaction of the body to injury or cell death?

Autoimmune response

Acute inflammation (correct)

Delayed hypersensitivity

Chronic inflammation

What initiates a cascade of events resulting in the signs of inflammation?

Activation of platelets

Release of histamine

Release of inflammatory mediators from injured tissue cells (correct)

Increased blood flow

Which of the following is NOT a process involved in acute inflammation?

Granuloma formation Signup and view all the answers

What type of tissue damage is usually caused by chronic inflammation?

Permanent tissue damage Signup and view all the answers

What is a granuloma?

A walled-off area formed when phagocytic cells can't destroy a pathogen Signup and view all the answers

Which type of cells are densely infiltrated at the site of chronic inflammation?

Lymphocytes and macrophages Signup and view all the answers

Which molecules are involved in margination during acute inflammation?

'Selectins' Signup and view all the answers

'Extravasion' is a process that involves:

'Cell migration through blood vessel walls' Signup and view all the answers

'Diapedesis' refers to:

'The passage of blood cells through the intact walls of capillaries' Signup and view all the answers