Nursing 503 Adaptive Immunity Questions And Answers With Rationales
NURSING 503 ADAPTIVE IMMUNITY MULTIPLE CHOICE 1. Which primary characteristic is unique for the immune response? a. The immune response is similar each time it is activated. b. The immune response is specific to the antigen that initiates it. c. The response to a specific pathogen is short term. d. The response is innate, rather than acquired. ANS: B Unlike inflammation, which is nonspecifically activated by cellular damage and pathogenic microorganisms, the immune response is primarily designed to afford long-term specific protection (i.e., immunity) against particular invading microorganisms; that is, it has a memory function. The other options are not unique characteristics of the immune response. PTS: 1 REF: Page 225 2. In which structure does B lymphocytes mature and undergo changes that commit them to becoming B cells? a. Thymus gland c. Bone marrow b. Regional lymph nodes d. Spleen ANS: C B lymphocytes mature and become B cells in specialized (primary) lymphoid organs—the thymus gland for T cells and the bone marrow for B cells. Neither regional lymph nodes nor the spleen are involved in changing B lymphocytes into B cells. PTS: 1 REF: Page 225
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