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Fenster schliessen

The polyvalent vaccines, the are vaccines containing antigens:

Of different serotypes of one pathogen species

Of different pathogen species

Variedbiochemically(geneticmaterial,capsidproteins,etc.)

Of varying strength of the induction of antibodies

Inducing the synthesis of different classes antibodies

Fenster schliessen

The allograft rejection appearing a few days to a few months after transplantation, whose main feature is infiltration of mononuclear cells located in the tissues, as well as damage to arterioles and arteries, associated with activation of Th1 CD4+ and Tc CD8+, this should be:

hyperacute rejection

subacute rejection

acute rejection

accelerated rejection

chronic rejection

Fenster schliessen

Function(s) of B-cells in immune response is/are

production of antibodies

antigen recognition (via BCR)

antigen presentation for T cells

induction of tolerance via B regulatory cells

all of the above-mentioned answers are correct

Fenster schliessen

Function(s) of T-cells in immune response is/are

immunity against parasites

activation of innate and adoptive immunity

macrophage and neutrophils activation

apoptosis stiumlation and tissue damage

alle of the above are correct

Fenster schliessen

Common variable immunodeficiency (CVID) is NOT characterized by the statement

this is the most common primary immunodeficiency in the population

the symptoms occur biphasically: at 2-3 and at 20-30 years of age

concomitant increased risk of autoimmunty

concomitant increased risk of tumors

usually observed deficiency in antibodies, especially IgG and IgA

Fenster schliessen

The term “negative selection of the T cells” means

Disappearance of TCRγδ receptor on T lymphocytes

Diversification of T-cell populations into the CD4+ and CD8+ cells

Elimination of T-cell clones that posses too high affinity for self-antigenicity

Elimination of T cell clones lacking cytokine receptors

Formation of contrasupressor cells

Fenster schliessen

Th2 cells release following set of cytokines

IL-4, IL-5, IL13, IL-25, IL-31, IL-33

IL-4, IL-5, IL13, TNFα

IL-4,IL-5,IL13,IFNy

IL-4, IL-5, IL13, IL-2

IL-4, IL-5, IL13, IL-10, TGFß

Fenster schliessen

LFA-I molecules (CD11a/CD18) are characterized by

Induced expression on lymphocytes after antigen stimulation

Expression on T-cells, but not B-cells

Structure of so-called, immunoglobulin-like receptors

Defensing-like properties

Selectin-like properties