week 2 Flashcards
The ability to ward off pathogens that produce disease is called
Immunity
The inability to ward off pathogens that produce disease is called
susceptibility
The lymphatic system functions (4)
to drain ECF fluid
returned leaked plasma proteins back to blood
transport dietary lipids
protect against infections/pathogens
Lymphatic vessels begin as blind-ended lymph
capillaries in tissue spaces between cells
Lymph capillaries merge to form larger vessels, called
lymphatic trunks,
Lymph nodes are
encapsulated oval structures located along lymphatic vessels
lymph nodes
contain macrophages, B-lymphocytes, & T lymphocytes cells
Lymph nodes function primarily to
Filter and reduce all dead cells and pathogens
The Spleen is
is the largest mass of lymphatic tissue in the body and is found in the left hypochondriac region between the stomach and the diaphragm
The spleen consists of
white and red pulp
large lymphatic nodules embedded in a mucous membrane at the junction of the mouth and the pharynx
The cervical nodules
five (5) examples of non-specific resistance.
skin mucous membranes lacrimal apparatus saliva digestive system
describe examples of the non specific resistance of skin
Physical barrier -
Chemical barrier – sebum and perspiration
describe examples of the non specific resistance of mucous membrane
Mucus
Hairs in nose
Cilia in upper respiratory tract
describe examples of the non specific resistance of digestive system
Gastric acid
Digestive enzymes