When you have an infection, what causes the fever?A. The infective agent stimulates the heart to beat faster.B. The infective agent impairs the activity of the hypothalamus.C. The immune system delivers prostaglandins and histamine to the hypothalamus.D. The immune system decreases blood flow to the brain.

Q: 25. Vaccination is very indispensable to humans and animals to get rid from pathogens. How does a…

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Q: One known function of the cells of the thymus is to a. produce and secrete antibodies b. produce…

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Q: Which cytokine does not activate NK cells early in a viral infection? a. IFN-a b. IFN-b c. IFN-g d.…

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Q: Although interferons have several effects, they are particularly useful against infections with…

A: Answer is b.)  viruses.

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Q: What is the "placebo effect"?   a. The physical response to a medication that contains active…

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A: Answer is c.)  because memory B cells can rapidly convert to plasma cells.

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Q: Which of these statements about gamma interferon is false? a. It is a polypeptide autocrine…

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A: The blood thymus barrier found in the cortex part of the thymus.

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Q: Which of the following is not correct concerning interferon?a. Interferon is a protective protein.b.…

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Q: The immune system cell that binds to herpes infected cells and kills them are? A. Regulatory cells…

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