Medical Issues Ch. Immune System Flashcards
infecton
a normal immune system response that defends the body against foreign microorganisms
physical, behavioral, psychological, environmental, and nutritional all affect immune system functions
transmission
-why are athletes at more risk?
airborne direct contact bloodborne water and footborne athletes -sharing -travel -more contact
host
vector
contagious vs. communicable
host -original carrier of the disease vector -middle carrier contagious -spread through direct contact -includes vector communicable -spread by a vector
immunodeficiency disorders
body lacks the ability to fight foreign microorganisms
autoimmune disorders
body attacks itself
immunodeficiency disorders
autoimmune disorders
immunodeficiency
-body can’t build up enough to prevent infection
autoimmune
-body attacks own body
thymus
located between the chest wall and the heart
gland
produces T-cells
extremely active in children
spleen
located in upper left quadrant of the abdomen
filters blood and lymph
initiates immune response
lymph system
lymph
lymphatic vessels
lymph nodes
lymph
clear white fluid
collects plasma and debris
lymphatic vessels
picks up lmph
lymph nodes
-which can be felt as swollen
filters lymph which? -axillary -neck -groin
bone marrow function
RBC and WBC production
WBC
granulocytes -neutrophils -basophils -eosinophils lymphocytes -B-cells -T-cells monocytes -macrophages
antibodies
created by body fight specific antigens