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List the major structures of the lymphatic system. - ✔✔Tonsils, spleen, nodes, lymph vessels, thymus
(not thyroid)
What are the three things required for an infection to occur? - ✔✔Pathogen, host, mode of transmission
List and describe the six links of the chain of infection. - ✔✔
Pathogen - organism that causes disease
Reservoir - a place for the pathogen to multiple
Place of exit - how the pathogen leaves the reservoir
Method of transmission- how the pathogen travels to a new host
Portal of Entry -how the pathogen enters the host
Susceptible host- organism that is able to get disease
Describe specific and non specific defenses - ✔✔Nonspecific = effective against any harmful agent
Specific = effective against specific agents only
Describe the affects of a fever. - ✔✔Stimulates phagocytes
List and describe the types of T cells. - ✔✔Helper, killer, memory - Stay in the body and remember a
pathogen, regulatory
Describe the two types of B cells. - ✔✔Plasma - produce antibodies
Memory - mount a quick response if pathogen returns
, What are the functions of a macrophage? - ✔✔Phagocytosis, place markers on it's surface, stimulate
more white blood cell production
What is an antigen? How does it interact with antibodies? - ✔✔Antigen - proteins markers that
antibodies will cling to
Antibodies -are components of blood that recognize and cling to antigens
Describe how complement proteins work with antibodies. - ✔✔Complement proteins: coat foreign
material, destroy foreign material/cells, attract phagocytes, and induce inflammation
Define autoimmune. - ✔✔Abnormal reactivity to one's own tissues and turns on itself
Define phagocytosis - ✔✔White blood cells taking in foreign material
What is an allergen? - ✔✔Substance that induces an immune response
What is a vaccine? - ✔✔Solution used for immunization
Describe the following disorders: - ✔✔Hodgkin's disease - form of lymphoma
Allergy - immune reaction to a substance that is normally harmless
Encephalitis - Mr. Howell says to go home to section 3
Splenomegaly - inflammation of the spleen
Elephantiasis - abnormal accumulation of lymphatic fluid in lower body
List the major organs of the respiratory system. - ✔✔Nasal cavity, pharynx, larynx, trachea, bronchi,
bronchioles, alveoli
Describe the three sections of the pharynx. - ✔✔Nasopharynx - superiorOropharynx - middlelaryngeal
pharynx - inferior