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Portage Microbiology Exam 4 Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What is the primary immune cell involved in antibody production?✔✔ B lymphocyte
What type of immunity results from vaccination?✔✔ Artificial active immunity
What is the main function of memory cells in the immune system?✔✔ Provide a faster response upon re-exposure
What type of hypersensitivity is associated with allergies?✔✔ Type I hypersensitivity
What class of antibodies is most involved in allergic reactions?✔✔ IgE
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What immune cells release histamine during allergic reactions?✔✔ Mast cells
What is the term for a substance that triggers an immune response?✔✔ Antigen
What organ is primarily responsible for filtering antigens from the blood?✔✔ Spleen
What is the role of helper T cells in immunity?✔✔ Activate B cells and cytotoxic T cells
What is the role of cytotoxic T cells?✔✔ Destroy virus-infected or cancerous cells
What type of immunity is transferred from mother to baby through breast milk?✔✔ Natural passive immunity
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