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0 Exakte Antworten 0 Text Antworten 74 Multiple Choice Antworten
Fenster schliessen

The innate immune system characteristic is generally NOT:

Low specificity

Low plasticity

Immune memory

Immediate response

Fenster schliessen

The complement function is:

Antigen specific recognition

Antigen presentation

Cytokine production

Pathogen opsonization

Fenster schliessen

Which of the following statements, describing the essential activities of cells

involved in the immune response, is false:

B lymphocytes- recognize and present peptide antigens to helper T lymphocytes

NK cells- have the cytotoxicity capacity

T lymphocytes- have the cytotoxicity and phagocytosis capacity

Dendritic cells- present antigens to helper T lymphocytes

Fenster schliessen

The cell parameter that cannot be assessed in the flow cytometry without the

fluorochrome staining is:

Cell size

Cell auto-fluorescence

Cell granularity

Cell cytokine production

Fenster schliessen

CD3 is a typical marker for:

All leukocytes

All T lymphocytes

All B lymphocytes

Th cells only

Fenster schliessen

The CD8+ T cell cytotoxicity is associated with:

Generation of reactive oxygen species (ROS)

Secretion of chemotactic factors

Production of perforins and granzymes

Absorption of foreign molecules

Fenster schliessen

The lymphocyte population are NOT:

B cells

T cells

NK cells

Mast cells

Fenster schliessen

The receptors of nonspecific recognition of a target (a pathogen) by

immunocompetent cells are NOT:

Lectin receptors

Scavenger receptors

Toll-like receptors

MHC receptors