Lymphatic Organs
What Lymphatic organ functions at peak levels during youth?
Thymus
Transport excess fluid back to the heart and works as our bodies defense and resistance to disease
Levi came down with a viral infection; he has now developed what type of immunity?
Naturally Acquired Active Immunity
What is the cell that kills virus-infected cells & cancerous cells
Cytotoxic T cell
What provides humoral immunity?
Antibodies
What lymphatic organ is located on the left side of the abdomen and functions to destroy worn out blood cells?
Spleen
What direction do the lymphatic vessels carry lymph?
Towards the Heart
What is the term that describes how neutrophils squeeze out of capillary walls?
Diapedesis
What cells exist in the body for years and allow for the body to quickly respond to the subsequent invasions of the same antigen
Memory Cell
What is the term that describes resistance to disease?
Immunity
What lymphatic organ functions to trap and remove bacteria before entering the throat?
Tonsils
What is the function of a lymph node and give an example of where they are located.
Lymph nodes filter fluid for bacteria, virus, cancer cells, foreign substances. Axillary, Inguinal, Cervical.
What is the term that describes Neutrophils moving out of the cell towards the higher concentration of molecules (site of inflammation)
Positive Chemotaxis
What cells develop immunocompetence in the thymus?
T-cells
The antibody typically associated with allergies.
IgE
Name the lymphatic organ that is found lining the small intestines.
Peyers Patches
What is the purpose of the flaplike mini valves found in lymph capillaries?
To prevent back flow of fluid.
lymphocytes are capable of responding to a specific antigen by binding to an antigen specific receptor on its surface.
What cell presents parts of an antigen on its membrane surface and allows T cells that contain that antigen to respond?
Antigen Presenting Cells
Which type of donor/graft has shown to be least effective?
Xenograft
What 3 Lymphatic Organs make up the mucosa-associated lymphoid tissue (MALT)?
Tonsils, Appendix, Peyer's Patches
How much fluid is returned to the cardiovascular system by the lymphatic system every day?
3L
What is the difference between an allograft and an autograft?
Allograft is tissue taken from another person.
Autograft is tissue taken from a site on the same person.
Which cell adapts to a immune response by recruiting other lymphocytes to help fight of the invader?
Helper T cell
What process of how antibodies bind to antigens prevent the harmful effects of bacteria toxins from entering other cells?
Neutralization