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Cognitive Phase in Adaptive Immunity

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Questions and Answers

What ensures specificity in adaptive immunity?

The cytokines secreted by T cells

The staggering number of lymphocytes, each possessing specificity for only one antigen (correct)

The production of antibodies by B cells

The ability of B cells and T cells to recognize many different kinds of antigens

What is the function of T cell receptor (TCR) in response to antigen?

Kill infected cells

Recognize only peptides

Help other cells (correct)

Secrete antibodies

What is the role of B cell receptor (BCR) in recognizing antigens?

Kill infected cells

Help other cells

Secrete antibodies (correct)

Recognize only peptides

What property ensures diversity in adaptive immunity?

The staggering number of lymphocytes, each possessing specificity for only one antigen Signup and view all the answers

Which type of receptors are TLRs (Toll-like receptors)?

Both cell membrane and endosomal receptors Signup and view all the answers

What do NLRs (Nod-like receptors) recognize?

Damage-Associated Molecular Patterns (DAMPs) Signup and view all the answers

What do PRRs bind to?

Unique microbial structures Signup and view all the answers

What mediates cognitive functions in adaptive immunity?

Cell surface receptors Signup and view all the answers

How does innate recognition of antigen differ from adaptive recognition?

Innate recognition is non-specific, while adaptive recognition is specific to particular antigens Signup and view all the answers

Which term refers to the immunity resulting from the production of antibodies by the immune system in response to the presence of an antigen?

Active immunity Signup and view all the answers

What is the role of apoptosis in immunity?

Regulating the proliferation and elimination of immune cells Signup and view all the answers

What is the primary mechanism by which Fas/FasL interactions induce apoptosis in immune cells?

Triggering a signaling cascade that results in cell death Signup and view all the answers