Immune System Response

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What role do some T cells play in enhancing the innate immune response?

Producing antibodies that mark pathogens for attack

Providing a rapid, pre-existing response to infection

Recognizing a wide repertoire of foreign substances

Secreting cytokines that increase the ability of macrophages to kill ingested microbes (correct)

What is a key difference between the innate and adaptive immune responses?

The ability to recognize a wide repertoire of foreign substances, with innate responses being more limited (correct)

The reliance on lymphocytes, with adaptive responses being more dependent on them

The speed of the response, with innate responses being slower

The ability to improve during a response, with innate responses being more effective initially

What is the role of antibodies in the innate immune response?

Marking pathogens for attack by complement and serving as a potent activator of the attack (correct)

Producing cytokines that increase the ability of macrophages to kill ingested microbes

Recognizing a wide repertoire of foreign substances

Providing a rapid, pre-existing response to infection

What is an example of innate immunity that is not based on lymphocytes?

The immune system of insects Signup and view all the answers

What is the main advantage of adaptive immunity over innate immunity?

Ability to recognize a wider repertoire of foreign substances Signup and view all the answers

What is the result of antibodies binding to pathogens in the innate immune response?

Marking pathogens for attack by complement and serving as a potent activator of the attack Signup and view all the answers

What is the role of dendritic cells in the immune response?

To present antigens to T-cells Signup and view all the answers

In which part of the cell are endogenous antigens degraded?

Cytoplasm Signup and view all the answers

What is displayed on the cell surface as a result of antigen processing?

Antigenic peptides complexed with class II MHC molecules Signup and view all the answers

What is a characteristic of the inflammatory response?

Inflammation and swelling at the site of infection Signup and view all the answers

What is the primary function of the innate immune system?

To provide a first line of defense against infection Signup and view all the answers

What is a dysfunction of the immune system that can lead to infection?

Loss of immune function Signup and view all the answers

What is the primary function of phagocytic cells, such as macrophages and neutrophils?

To engulf and digest foreign particles and microorganisms Signup and view all the answers

What determines the specificity of a lymphocyte's receptor?

The specific receptor's binding properties before antigen exposure Signup and view all the answers

Which component of the immune system is uniform in all members of a species?

Innate immunity Signup and view all the answers

What is the result of antigen binding to its specific receptor on a lymphocyte?

The cell proliferates into a clone of cells with the same immunologic specificity Signup and view all the answers

What is the primary function of the innate immune system?

To provide the first line of defense against infection Signup and view all the answers

What is the characteristic of adaptive immunity that distinguishes it from innate immunity?

It does not come into play until there is an antigenic challenge Signup and view all the answers

Immune System Response

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Questions and Answers

What role do some T cells play in enhancing the innate immune response?

What is a key difference between the innate and adaptive immune responses?

What is the role of antibodies in the innate immune response?

What is an example of innate immunity that is not based on lymphocytes?

What is the main advantage of adaptive immunity over innate immunity?

What is the result of antibodies binding to pathogens in the innate immune response?

What is the role of dendritic cells in the immune response?

In which part of the cell are endogenous antigens degraded?

What is displayed on the cell surface as a result of antigen processing?

What is a characteristic of the inflammatory response?

What is the primary function of the innate immune system?

What is a dysfunction of the immune system that can lead to infection?

What is the primary function of phagocytic cells, such as macrophages and neutrophils?

What determines the specificity of a lymphocyte's receptor?

Which component of the immune system is uniform in all members of a species?

What is the result of antigen binding to its specific receptor on a lymphocyte?

What is the primary function of the innate immune system?

What is the characteristic of adaptive immunity that distinguishes it from innate immunity?

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