The inflammatory response is an important innate immune system response. Which of the following is not directly involved in a inflammatory response? O Dilation of blood vessels Tissue repair O Migration of phagocytes O Antibody formation

Some immune system cells like B lymphocytes and T lymphocytes must first be "trained" in either the bone marrow or thymus because they can do their jobs. Which of the following best describes the purpose of this "training" during their maturation?   to selectively remove any lymphocytes that show immunity against our own cells and our own antigens in our body   to expose these cells to all of the potential pathogens and their antigens they may encounter in the future   to activate them so that they differentiate into plasma and memory cells and begin producing antibodies   to make sure that each lymphocyte is capable of recognizing a large number of different pathogen antigens   to initiate a secondary and stronger immune response after encountering an invading pathogen

Which of the following is a TRUE statement regarding the effect of high doses of corticosteroids, such as dexamethasone, on the imnune system? O None of the statements apply Functions to inhibit IgG secretion from autoimmune B cells O Functions to specifically inhibit cyclooxygenase-2 (COX-2) to decrease pain and inflammation Functions to inhibit enzyme phospholipase A2, which causes lethal disruption of WBC function (WBC death) OFunctions to inhibit enzyme phospholipase A2, which decreases cyclooxygenase- 2 (COX-2) levels

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