Select the True Statement About the Difference Between the Actions

question 29

Multiple Choice

Select the true statement about the difference between the actions of interleukin-2 (Proleukin) and that of colony stimulating factors (CSF) .

• A) Interleukin-2 stimulates B-cell production of antibodies and killer T-cell activity, whereas CSFs stimulate the production of helper T-cells.
• B) Interleukin-2 stimulates B-cell production of antibodies and killer T-cell activity, whereas CSFs stimulate the bone marrow to increase the production of macrophages and granulocytes.
• C) Interleukin-2 stimulates the bone marrow to increase the production of macrophages, whereas CSFs stimulate the production of B-cells and T-cells.
• D) Interleukin-2 stimulates the bone marrow to increase the production of macrophages, whereas CSFs stimulate the production of helper T-cells.

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Definitions:

Chi-square Statistic

A measure used in statistics to assess how expectations compare to actual observed data, particularly in the context of categorical variables.

Observed Frequencies

The actual number of occurrences of each category in statistical data.

Expected Frequencies

The anticipated counts in each category of a contingency table under the assumption that the null hypothesis is true, calculated from the proportions in the total sample.

Chi-square Statistic

A statistical measure used to assess the differences between observed and expected frequencies in one or more categories.