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Homework answers / question archive / Northern Virginia Community College BIO 150 1)Definitions-immunity, pathogen, antigen, hapten   What is meant by self and non-self antigens?     Types of Immunity – Non-specific and Specific Immunity, how do they differ

Northern Virginia Community College BIO 150 1)Definitions-immunity, pathogen, antigen, hapten   What is meant by self and non-self antigens?     Types of Immunity – Non-specific and Specific Immunity, how do they differ

Biology

Northern Virginia Community College

BIO 150

1)Definitions-immunity, pathogen, antigen, hapten

 

  1. What is meant by self and non-self antigens?

 

 

  1. Types of Immunity – Non-specific and Specific Immunity, how do they differ.

 

  1. What are the components and functions of the lymphatic system? What are the functions of lymph nodes?

 

  1. Where are the stem cells that produce lymphocytes present? Where do T and B lymphocytes mature?

 

  1. Non-specific/Innate Immunity

What forms the first line of defense (physical barriers, chemical barriers)

What forms the second line of defense? (white blood cells, natural killer cells, inflammation, fever, antimicrobial substances like interferons, defenssins, collectins & complement system)

How do complement proteins function?

 

 

  1. Specific/Adaptive/Acquired Immunity

How do Helper T cells recognize antigens (antigen-presenting cells & MHC proteins)?

 

  1. Mechanism of Immunological memory – Primary response & secondary response

 

 

  1. Classification of Acquired Immunity – Naturally Acquired Active & Passive Immunity and Artificially Acquired Active & Passive Immunity

 

  1. Allergic reactions – why are allergic reactions considered harmful immune responses, symptoms & examples of allergic reactions

 

  1. Chemicals released during an allergic reaction that are responsible for the symptoms

 

  1. What is meant by autoimmune diseases. Know some examples.

 

  1. What are the target cells where HIV multiples?

 

 

  1. Know the 4 types of hypersensitivity reactions and an example for each.

 

  1. What are the different types of vaccines?

 

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