Immunology Quiz: Second Line of Defense

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Questions and Answers

What is one of the general responses of the body to destroy pathogens?

Release enzymes into the bloodstream
Activate the lymphatic system
Increase core temperature (correct)
Decrease metabolic rate

What is the role of phagocytes in the body's defense mechanism?

Stimulate muscle contractions
Engulf and destroy pathogens (correct)
Facilitate blood clotting
Produce antibodies

How does a fever help in fighting an infection?

It inhibits the growth of certain pathogens (correct)
It slows down the metabolism of healthy cells
It increases blood flow to all body parts
It boosts the production of red blood cells

What happens during the process of inflammation in the body?

<p>More blood cells come to the affected area (D)</p> Signup and view all the answers

Which statement accurately describes phagocytes?

<p>They are white blood cells that engulf pathogens (A)</p> Signup and view all the answers

Flashcards

Second Line of Defense

The body's general response to fight off pathogens. It involves several mechanisms like increasing core temperature, inflammation, and deploying phagocytes.

Increase Core Temperature

An elevated body temperature that helps slow down or even kill pathogens. This often manifests as fever.

Inflammation

A localized response to infection or injury. It's characterized by redness, swelling, heat, and pain. It brings more blood cells to fight off the infection.

Phagocytes

Specialized white blood cells that engulf and destroy pathogens. They act like tiny vacuum cleaners.

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What are phagocytes?

A type of white blood cell that plays a crucial role in the body's immune defense.

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Study Notes

Second Line of Defense

General Body Responses: The body employs several methods to combat pathogens.
Fever (Increased Core Temperature): A higher body temperature can slow or even destroy pathogens.
Inflammation: An increased flow of blood cells to the affected area helps fight the pathogen.
Phagocytes: Specialized white blood cells that engulf and destroy pathogens.

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Description

Test your knowledge on the body's second line of defense against pathogens. This quiz covers general body responses, fever, inflammation, and the role of phagocytes in the immune system. Challenge yourself and reinforce your understanding of immune responses!