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74) People who have type O blood are considered ________ because they ________.A) universal recipients : have no A or B antigensB) universal recipients : have no antibodies to A or BC) universal donors : have no A or B antigensD) universal donors : have no antibodies to A or BE) universalists : cannot receive blood transfusionsAnswer: CDiff: 4 Page Ref: 68675) Tissue transplantation has been made possible by our ability to ________.DDiff: 4 Page Ref: 68676) What antibody is most involved in the allergic response?EDiff: 3 Page Ref: 68777) Hay fever that occurs when people are exposed to pollen involves an excess release of IgE, which binds to ________ and causes them to ________. ADiff: 5 Page Ref: 68778) The most acute allergic response is anaphylactic shock, which can be deadly due to the histamine-induced ________.A) increase in peripheral resistance that decreases cardiac outputB) decrease in peripheral resistance that decreases mean arterial pressureC) decrease in peripheral resistance that increases cardiac outputD) increase in capillary permeabilityE) local decrease in resistance with little effect on mean arterial pressureAnswer: BDiff: 4 Page Ref: 68716
79) Diabetes mellitus can be caused by a form of autoimmune disease that attacks ________.DDiff: 5 Page Ref: 68880) What hormone released in times of stress directly inhibits the function of the immune system?EDiff: 4 Page Ref: 68923.2 True/False Questions1) Eosinophils are phagocytes that also attack parasites.Diff: 3 Page Ref: 668