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Questions and Answers
What is the primary function of the anatomic barrier?
What is the primary function of the anatomic barrier?
- To prevent the entry of foreign agents into the body (correct)
- To differentiate between self and non-self cells
- To recognize and respond to specific pathogens
- To produce biologically active inflammatory mediators
Which of the following is a characteristic of acquired immunity?
Which of the following is a characteristic of acquired immunity?
- Memory of an encounter with a foreign organism (correct)
- No memory of an encounter with a foreign organism
- Defense is the same with repeated exposure to pathogens
- Response is antigen independent
What percentage of circulatory cells are neutrophils?
What percentage of circulatory cells are neutrophils?
- 10-20%
- 60-80%
- 40-60% (correct)
- 20-30%
What is the function of the complement system?
What is the function of the complement system?
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Which of the following is an example of a physiologic barrier?
Which of the following is an example of a physiologic barrier?
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What is the function of interferon?
What is the function of interferon?
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Which of the following is a characteristic of innate immunity?
Which of the following is a characteristic of innate immunity?
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What is the percentage of eosinophils in circulatory cells?
What is the percentage of eosinophils in circulatory cells?
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