A Set of Mice Are Each Immunized with One of the Following

question 27

Multiple Choice

A set of mice are each immunized with one of the following as shown in Figure.
Mouse A is immunized with tetanus toxoid protein. Mouse B is immunized with the Haemophilus influenzae type b polysaccharide antigen. Mouse C is immunized with a conjugate of the diphtheria toxoid protein linked to H. influenzae type b polysaccharide. Mouse D is left unimmunized (naive) . Four weeks later the spleen cells from each mouse are isolated, and B lymphocytes and T lymphocytes from each spleen cell population are purified. When mixed together in culture together with a conjugate antigen of the tetanus toxoid protein linked to the to H. influenzae type b polysaccharide, which combination of spleen cells would generate a memory B cell response?

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Definitions:

Fitness-training Program

A regimen aimed at improving one's physical condition and overall health through exercise and activity.

Concentric Contraction

A type of muscle activation that causes tension on your muscle as it shortens, commonly observed when lifting a weight.

Shortens

Decreases in length or duration.

Isotonic

Refers to a solution that has the same osmotic pressure as some reference solution, often implying exercises where muscle length changes under a constant load.