Podcast
Questions and Answers
Which is the correct term for the developmental history of the immune system during evolution?
Which is the correct term for the developmental history of the immune system during evolution?
- Antigen presentation
- Innate immunity
- Ontogeny
- Phylogeny (correct)
What are the most primitive signs of an immune-like system?
What are the most primitive signs of an immune-like system?
- Antigen-antibody complex formation
- Complement system activation
- Phagocytosis and inflammatory reactions (correct)
- T-cell activation
Which group of vertebrates possesses a diffuse immune system and lacks distinct higher vertebrate immune structures?
Which group of vertebrates possesses a diffuse immune system and lacks distinct higher vertebrate immune structures?
- Mammals
- Cyclostomes (correct)
- Reptiles
- Amphibians
Which vertebrates produce a high molecular weight antibody comparable to human immunoglobulin M (IgM) upon exposure to foreign substances?
Which vertebrates produce a high molecular weight antibody comparable to human immunoglobulin M (IgM) upon exposure to foreign substances?
At what stage of life does the individual undergo progressive immunologic maturation or ontogeny?
At what stage of life does the individual undergo progressive immunologic maturation or ontogeny?
Where do cells responsible for nonspecific and specific immunity initially arise from?
Where do cells responsible for nonspecific and specific immunity initially arise from?
How are maternal antibodies transmitted to the fetus during prenatal development?
How are maternal antibodies transmitted to the fetus during prenatal development?
In which vertebrates does the immune system reach its highest development?
In which vertebrates does the immune system reach its highest development?
What is the primary lymphoid organ found in all jawed vertebrates?
What is the primary lymphoid organ found in all jawed vertebrates?
What is the major difference between the mitotic activity of lymphocytes in primary and secondary lymphoid tissues?
What is the major difference between the mitotic activity of lymphocytes in primary and secondary lymphoid tissues?
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