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Portage Learning: Microbiology Module
- Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
What type of immunity is developed after recovering from a viral infection?✔✔ Natural active immunity
What type of immunity is passed from mother to baby through breast milk?✔✔ Natural passive immunity
What type of immunity is gained through vaccination?✔✔ Artificial active immunity
What type of immunity involves receiving antibodies through an injection?✔✔ Artificial passive immunity
What is the primary function of B cells in the immune system?✔✔ Producing antibodies
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What type of lymphocyte is responsible for killing infected cells directly?✔✔ Cytotoxic T cell
What type of T cell helps activate both B cells and other T cells?✔✔ Helper T cell
What do plasma cells produce in response to antigens?✔✔ Antibodies
What is the term for a substance that stimulates an immune response?✔✔ Antigen
What class of antibodies is most abundant in the bloodstream?✔✔ IgG
What class of antibodies is primarily found in secretions like saliva and tears?✔✔ IgA
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What class of antibodies is involved in allergic reactions?✔✔ IgE
What immune system cells are involved in the initial recognition of pathogens?✔✔ Macrophages
What is the role of memory B cells?✔✔ To remember antigens for faster future responses
What is the term for the immune system attacking its own tissues?✔✔ Autoimmunity
What is the process by which phagocytes engulf and digest pathogens?✔✔ Phagocytosis
What type of white blood cell is the first responder during inflammation?✔✔ Neutrophil
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