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- Naturally acquired active immunity would be most likely acquired through which of the following processes? a. vaccination b. drinking colostrum c. natural birth d. infection with disease-causing organism followed by recovery.An infected epithelial cell may present theantigen on itsa. MHC class I molecules.b. MHC class II molecules.c. Membrane bound antibodies. d. None of the above. Antibiotics are effective in treatinga. viral infections.b. bacterial infections.c. both viral and bacterial infections.d. neither viral nor bacterial infections.Match each type of immunity in the left column with its associated example from theright column. 1.Artificially acquired passive immunotherapy A. Production of IgE in response to pollen 2. Naturally acquired active immunity B. Acquisition of maternal antibodies in breast milk 3. Naturally acquired passive immunity C. Administration of tetanus toxoid 4. Artificially acquired active immunity D. Administration of antitoxin
- Which of the following is not an action of complement? (a) enhances phagocytosis (b) enhances inflammatoryresponse (c) coats pathogens (d) lyses viruses (e) stimulatesproduction of memory T cellsActivated complement proteins ________. a. puncture cells c. attract macrophages b. promote inflammation d. all of the aboveAntibodies are ________. a. antigen receptors c. proteins b. made only by B cells d. all of the above
- Innate immune responses include all but (a) inflammation (b) antigen-antibody complexes (c) binding of PAMPs with pattern recognition receptors (d) complement (e) phagocytosisAlthough interferons have several effects, they are particularly useful against infections with which type of pathogen? bacteria viruses fungi helminthsThe fact that the body does not normally mount an immune response to the molecules in food is an example of _______ . a. secondary immune response b. immunological memory c. immune tolerance d. passive immunity
- Interleukins are associated primarily with which of the following? production of various lymphocytes immune responses inflammation all of the aboveAllergy to pollen is classified as _______. a. an autoimmune reaction b. immunodeficiency c. delayed hypersensitivity d. immediate hypersensitivityAfter Sally punctured her hand with a dirty nail, she received both a vaccine and someone elses antibodies against tetanus toxin. The immunity conferred here is: both active and passive. active only. passive only. first active; later passive. innate.