Chapter 16-17-3 Flashcards
List some structures involved in the first line of defense against pathogens
Skin mucous membranes fluid movements
What are symptoms of inflammation
Pain redness swelling heat
List some substances that could act as antigens
Food pollen bacteria viruses
When a cell is infected by a virus what may the cell produce to help
Interferons
Why are lymph nodes important
Filter lymph store lymphocytes
What term is given to the decrease in diameter of a blood vessel due to contraction of the smooth muscle in its walls
Vasoconstriction
Mucous membranes would be considered to be a ______ line of defense against pathogens
First
Which lymphatic organ is located posterior to the sternum
Thymus
Name the major components of the lymphatic system
Lymph, lymphatic vessels structures contains lymphatic tissue red bone marrow
Which cells produce antibodies
B cells
Which is the largest single mass of lymphatic tissue in the body
Spleen
Which lymphocytes are found in lymph nodes
Mature B cells
Where are damaged and worn out red blood cells destroyed
Spleen
High amount of carbon dioxide in the blood
Hypercapria