What are the functions of the lymphatic system? - (answer)1. Drain excess interstitial fluid
2. Help prevent edema
3. Absorb lipids from the digestive system
4. Defend body from disease
What are the organs of the lymphatic system - (answer)Spleen, lymph nodes, lymphatic vessels
Where are lymph nodes found? - (answer)Everywhere in the body except the CNS ( brain and spinal
cord)
What does the lymphatic system do? - (answer)Protects the human body against infection and returns
interstitial fluid back to the circulatory system
What are the 2 main lymphatic ducts - (answer)Thoracic duct and right lymphatic duct
What portion of the body does the thoracic duct drain? - (answer)75% of the body, Left upper body, left
and right lower body
What portion of the body does the right lymphatic duct drain? - (answer)25%, right upper portion
Where do the 2 lymphatic ducts empty/drain? - (answer)Subclavian vein, then back to the circulatory
system
What is the largest lymphatic organ? - (answer)Spleen
What do lymphatic vessels contain, what do they do? - (answer)Valves, help maintain lymph circulation
and prevents backflow
, HONDROS BIO 254 EXAM 1 question and answers
What does skeletal muscle contractions and inspirations do? - (answer)help maintain lymphatic
circulation
Innate Immunity - (answer)Non-specific
Physical barriers
Phagocytosis ( inflammation )
Adaptive Immunity - (answer)Involves B and T cells
Carried out by lymphocytes
What is Humoral Immunity - (answer)B cells and antibodies
What is cell mediated immunity? - (answer)T cells ( T lymphocytes )
What are functions of interferons - (answer)Immune signaling for molecules to target and prevent the
spread of viruses
What is the most abundant Immunoglobulin - (answer)IgG- acts on bacteria, viruses, and toxins,
activates complement
What immunoglobulin can be found in tears, saliva, and breast milk? - (answer)IgA - found in exocrine
gland secretions, defends against bacteria and viruses.
What Immunoglobulin is important in memory - (answer)IgM
What immunoglobulin is linked to allergic reactions and parasite infections - (answer)IgE - found in
exocrine secretions, causes inflammation
IgD Immunoglobulins activates - (answer)B cells and are most active in infants