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Immunology Quiz: MHC Class II and Immune Responses

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Immunology Quiz: MHC Class II and Immune Responses

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Questions and Answers

What is a key characteristic that differentiates innate immunity from adaptive immunity?

Tailored responses to specific pathogens

Immediate, general protective mechanisms (correct)

Long-term memory of pathogens

Rapid antigen elimination

What is the primary role of antigen-presenting cells in the immune system?

Directly killing pathogenic cells

Inducing necrosis pathways

Stimulating the adaptive immune response (correct)

Stimulating phagocytosis

What is the primary role of MHC Class II molecules in the immune system?

To release cytokines in the absence of an antigen

To present antigens to T cells on antigen-presenting cells (correct)

To facilitate direct contact with pathogens

To regulate the innate immune response

How does apoptosis differ from necrosis in terms of cell death?

Apoptosis is reversible, whereas necrosis is not Signup and view all the answers

What signifies the efficiency of an immune response over time?

Immediate presence of memory cells Signup and view all the answers

Which type of immune response relies on memory of previous encounters with pathogens?

The secondary immune response Signup and view all the answers

How do materials receive approval for medical applications according to the text?

FDA approval status Signup and view all the answers

Which material is commonly used for biomedical applications, especially in bone regeneration?

Bioglass Signup and view all the answers

Which immune cells are primarily responsible for antibody production?

Plasma cells Signup and view all the answers

What characterizes the response of bioactive glass in medical applications?

Utilization in medical scaffolds and bone grafts Signup and view all the answers

How do materials typically interact with biological tissues in biomedical engineering?

They integrate with biological tissues Signup and view all the answers

What is one of the main functions of cytokines in the immune response?

To facilitate communication between cells Signup and view all the answers