Characteristics of Living Things (Essay

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Anatomy & Physiology

AIDS, Lymphatic System, & Immunity

Study Guide Test 1 2013

 What is immunity? A pathogen?

 HIV/AIDS o Thought questions from movie o Retroviruses vs. viruses o What cells targeted? How? Steps? o Effects of HIV in the body? Immediate? o Susceptibility to other infections? o How do the anti-retroviral drugs act? o Latency? o Effects of treatments?

 Lymphocytes o Role in the body & primary functions o Types. Where found? T cells vs. B cells

 What is an antigen? Antibody?

 Tonsillitis. What is it?

 Lymphoid organs: role? Functions? o Nodes: how used medically? o Spleen: consequence of injury?

 Defense Mechanisms: work in isolation? o Non-specific: when present?

AIDS, Lymphatic System, & Immunity

KMZ

 Mechanical Barriers. How? Where?

 Immunological Surveillance: What is it?

Cells involved? Why important?

 Chemical: Types? Complement

System: Role?

 Inflammation: Importance? How does inflammation do to minimize infection?

 Mast Cells: initiate the response?

 Role of histamine?

 Fever: good? Bad? o Specific Defense

 Respond to specific antigens

 Types of immunity: Innate vs. Acquired o Acquired:

 Active: natural vs. induced

 Passive: natural vs. induced

 Properties of Immunity o Versatility & Specificity o Memory & Tolerance

 Immune Response: begins with an antigen, and then?

 T cells & Cell mediated immunity: o A direct process? How activated? o Types?

 B cells & antibody mediated immunity: o Activated by T cells? o Antibodies:

 Function/Purpose: destroy antigens. How?

 Primary and secondary responses o Lyme disease: an inflammatory disease. Bull’s eye rash.

 Immune disorders o Immunodeficiency. HIV o Autoimmune. What happens here?. An example. o Allergies. A response to allergens.

 Immune system changes with age?

Anatomy & Physiology Study Guide Spring Test 1 2013 HIV AIDS Immune Lymphatic

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