1a. Toxoids and vaccines function similarly. A. True B. False 1b. Active immunity generally lasts longer than passive immunity. A. True B. False 1c. A
1a. Toxoids and vaccines function similarly. A. True B. False 1b. Active immunity generally lasts longer than passive immunity. A. True B. False 1c. A fetus receives protection from the mother through active artificial immunity. A. True B. False 1d. A vaccination provides natural passive immunity A. True B. False 1e. Lymph nodes have several afferent and efferent vessels. A. True B. False 1f. Cell-mediated immunity involves: A. B cells B. T cells C. both A and B D. neither A nor B

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