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Immune System and Cell Interactions

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Questions and Answers

What type of antigens do invading germs carry?

Self-antigens
Nonself-antigens (correct)
Endogenous antigens
Autogenous antigens

What is the primary function of cytokines in the immune system?

To communicate with other immune cells (correct)
To recognize invading germs
To destroy infected cells
To produce antibodies

What happens when the skin is broken and harmful substances enter the body?

The immune system responds immediately with an adaptive response
The immune system's first barrier is breached, and immune cells respond (correct)
The immune system produces antibodies to fight the infection
The immune system ignores the invaders

What type of immune cells begin to destroy invaders with a general attack?

Natural killer cells (B) Signup and view all the answers

What happens to dendritic cells when they engulf invaders and their nonself-antigens?

They become antigen-presenting cells (APCs) (D) Signup and view all the answers

What is the role of the immune system's first barrier, the skin?

To prevent harmful substances from entering the body (C) Signup and view all the answers

What type of immune response is triggered when the immune system recognizes nonself-antigens?

Innate immune response (B) Signup and view all the answers

What is the role of antigen-presenting cells (APCs) in the immune response?

To trigger an immune response (A) Signup and view all the answers

What happens when immune cells in the injured tissue respond to an invader?

They call other immune cells to help defend the body (A) Signup and view all the answers

What is the result of the immune cells' general attack on invading germs?

The invaders are partially destroyed, but may still multiply (D) Signup and view all the answers