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Erstellt / Aktualisiert 28.04.2020 / 20.04.2021
0 Exakte Antworten 0 Text Antworten 177 Multiple Choice Antworten
Fenster schliessen

The phagoburst test in the flow cytometry allows

(Midterm Set III)

To determine the number of viable cells that are capable to absorb bacteria

To determine the number of fluorescent-labelled bacteria, phagocytes by a single phagocyte

To assess the formation of reactive oxygen species by Nitroblue tetrazolium reduction to formazans in phagocytes

To assess the formation of reactive oxygen species by substrate oxidation to a fluorescent compound in phagocytes

Fenster schliessen

A humoral response is targeted on:

Both thymus-dependent and thymus-independent antigens

Exclusively thymus-dependent antigens

Exclusively thymus-independent antigens

Exclusively pathogen antigens

Exclusively haptens

Fenster schliessen

After a density gradient PBMC isolation, the cell viability must be

assessed. The proper dye is

(Midterm Set III)

Nitroblue tetrazolium (NBT)

Blue formazans

Trypan blue


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A Peyer's patch, this is:

encapsulated organ of gastrointestinal tract lymphatic tissue

non-encapsulated structure of gastrointestinal tract lymphatic tissue

Waldeyer's ring component

A microfolded cell (M-cell)

Fenster schliessen

Select the set of surface antigens that best characterize NKT cells

(Midterm Set III)

CD3-, CD16+, CD45+, CD56+

CD3-, CD14+, CD16+, CD45+

CD3+, CD16+, CD45+, CD56+

CD3+, CD19+, CD45+, CD56+

Fenster schliessen

A test applied to detect the oxygen metabolism enzyme defect

should be:

50% hemolysis- CH50

Trypan blue uptake

Nitroblue tetrazolium reduction test (NBT)

Radioactive chromium release assay

Fenster schliessen

The set of antigens that comprise different cell molecules,

associated with its differentiation, maturation and function is

termed as

(Midterm Set III)





Fenster schliessen

A test that is NOT aimed for cell isolation is:

MACS (magnetic-associated cell sorting)

FITC (fluorescein induced T cell isolation)

FACS (fluorescence-associated cell sorting)

Density gradient cell centrifugation