Immunology Quiz

Immunology Quiz

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1 / 20

The function of the immunological synapse formed between a T cell and an antigen-presenting cell includes:

2 / 20

What is the function of CTLA-4 on T cells?

3 / 20

The major histocompatibility complex (MHC) in humans is also known as:

4 / 20

Which cytokine is mainly responsible for the proliferation of hematopoietic stem cells in the bone marrow?

5 / 20

The process of class switch recombination in B cells requires the presence of which molecule?

6 / 20

Hypersensitivity reactions are classified into how many types?

7 / 20

The main function of the invariant chain (Ii) in MHC Class II antigen processing is to:

8 / 20

Which of the following is a primary lymphoid organ?

9 / 20

Which class of immunoglobulin is the first to appear in response to an antigen?

10 / 20

Which enzyme complex is responsible for recombination of V(D)J gene segments in lymphocytes?

11 / 20

Which molecule is critical for the migration of dendritic cells from peripheral tissues to lymph nodes?

12 / 20

Which immunoglobulin is found in secretions like saliva and tears?

13 / 20

Which of the following cells are essential for the formation of germinal centers in lymph nodes?

14 / 20

Activation-Induced Cytidine Deaminase (AID) is required for which immunological process?

15 / 20

Which complement component is responsible for the membrane attack complex (MAC) formation?

16 / 20

The "danger model" of immune activation suggests that the immune system responds to:

17 / 20

Hypersensitivity reactions are classified into how many types?

18 / 20

The absence of which molecule would most impair the presentation of endogenous antigens to CD8+ T cells?

19 / 20

Which of the following immunoglobulin isotypes is most effective at activating the classical complement pathway?

20 / 20

Which cytokine is primarily responsible for promoting isotype switching to IgE?

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