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NCAT - Practice Test - Biology - Immune System Quiz

Attempt 10 MCQs on NCAT - Practice Test - Biology - Immune System | Quiz 3

21. How many signals are required for full T cell activation?



22. Which T cell subset expresses CD4 and FoxP3 and inhibits immune responses?



23. Which branch of adaptive immunity involves antibodies?



24. What process generates antibody diversity during B cell development?



25. Which process changes an antibody's constant region?



26. What process improves antibody binding strength after repeated exposure?



27. What is the most severe form of immediate hypersensitivity?



28. How does the immune system prevent attack on self-tissues?



29. Which organs are considered primary lymphoid organs?



30. Which selection process removes T cells that strongly recognize self-antigens?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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