1.Which type(s) of immunity include(s) cells that are involved in the immune res

Question

1.Which type(s) of immunity include(s) cells that are involved in the immune response to a specific antigenic epitope? Choose one or more: A. innate B. adaptive C. humoral D. cell-mediated

2a.T cells never bind to free-floating antigen. This statement is t/f

2b.T cells are activated only by antigen bound to another cell’s surface. This statement is t/f

2c. More than one type of major histocompatibility complex proteins is integral to T-cell physiology. This statement is t/f

3.Within the immune cell interaction shown in Part 1, which of the following types of immunity are shown? Choose one or more: A. innate B. adaptive C. humoral D. cell-mediated

4. The primary antibody response differs from the secondary antibody response in that Choose one: A. antibodies appear in the serum sooner during the primary response. B. antibodies present during the primary response have a higher affinity for antigens than antibodies present during the secondary response. C. only the secondary antibody response is triggered by an encounter with an antigen; the primary antibody response occurs spontaneously. D. in the primary response, plasma cells differentiate from naive B cells, whereas in the secondary response, plasma cells may differentiate from memory B cells.

Explanation / Answer

1. B. Adaptive C. Humoral D. Cell mediated.

2a. TRUE.

T cells only recognize antigens associated with MHC proteins. they do not recognize free floating antigens.

2b. TRUE.

2C. TRUE.

3. B. Adaptive.

Adaptive immunity also called specific immunity is type of immunity that presents specific action to specific pathogen.

4.In the primary response, plasma cells differentiate from naive B cells, whereas in the secondary response, plasma cells may differentiate from memory B cells.

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