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Ch 15 lymphatic
APMT Chapter 15 Lymphatic system
| Question | Answer |
|---|---|
| How many components does the lymphatic system have? | 3 components 1. Lymphatic capillaries and vessels.2. tissues and organs that produce immune cells.3. Lymph |
| What is the functions of the lymphatic system? | 1. Absorb interstitial fluid and return it to the blood stream.2. Romove foreign chemicals, cells and debris.3.Absorb lipids from small intestine. |
| Where in the body are lymph nodes found? | In the neck, axilla and groin areas. |
| How many lymphatic ducts are in the body? | Two - the right lymphatic duct and the thoracic duct. |
| Where is the Right Lymphatic Duct located and what does it do? | Recieves lymph for the right arm, head and right side of the thorax. It drains into the right sublcavian vein. |
| Where is the Thoracic Duct located and what does it do? | Recieves lymph for the left arm, left side of the head, thorax and both sides of the body below the diaphragm. It drains in to the sublcavian vein. |
| Where is the spleen located? | Left Upper Quadrant. |
| What is the largest lymphatic organ? | The spleen |
| What types of tissue does the spleen contain? | White pulp and Red pulp |
| White pulp | Produces T and B cells. Monitors blood for antigens and produces antibodies. |
| Red pulp | A reservoir for erythrocytes, platelets and macrophages |
| What is the function of the spleen? | Phagocytize bacteria, initiate an immune response, phagocyzite old and defective erythrocytes and to serve as a reservoir. |
| Tonsils | Two masses of lymphatic tissue at the enterance to the oropharynx. It traps inhaled and digested pathogens. |
| Adenoids | Similar to tonsils. Located on posterior wall of the nasopharynx |
| Thymus | Has boh endocrine and lymphatic functions. Reaches maximum size a puberty. |
| T Cells (T lymphocytes) | (Thymus Cells) Make up 75 to 85% of body lymphocytes. Includes: Cytotoxic T cells, Helper T cells, Memory T cells and Suppressor T cells. |
| B Cells (B lymphocytes) | Also called plasma cells. Mature in the bone marrow. Make up 15 to 25% of lymphocytes. Produce antibodies. |
| Null Cells | Large natural killer cells |
| Macrophages | Performs phagocytes |
| Enlargement of nodes | Indication of disease or infection in the tissue |
| Lymphadenitis | Whe lymph nodes are swollen and tender to the touch(infection) |
| Tonsillitis | Inflammation of the tonsils and adenoids |
| oid | resembles |
| aden | gland |
| co | together |
| macro | large |
| phage | to eat |
| cyte | cell |
| osis | condition |
| ic | pertaining to |
| ectomy | surgical excision |
| megaly | enlargement |
| itis | inflammation |
| splen/o | spleen |
| tonsills | skin |
| CD | Cluster Domain |
| Ig | Immunoglobulin |
| Splenomegaly | Enlarged spleen. Traps and stores excessive number of blood cells ans platelets, which reduces the number in the bloodstream |
| anti | against |
| hyper | excessive |
| auto | self or same |
| trans | across |
| retro | backwards |
| allo | strange or other |
| ana | away from |
| oma | tumor |
| gram | recording |
| osis | condition |
| ism | condition |
| immune | Protected from an infectious disease |
| immunity | State of being protected |
| immunology | THe science and practise of immunity and allergy |
| immunologist | Medical specialist in immunology |
| immunize | Make resistant to an infectious disease |
| immunization | Administration of an agent to provise immunity |
| immunoglobulin | Specific protein voked by an anigen. All antibodies are immunoglobulins |
| pathogen | A disease-causing microorganism |
| adenoid | Single mass of lymphoid tissue in the midline at the back of the throat |
| macrophage | Large,white blood cell that removes bacteria, foriegn particles, and dead cells. |
| tonsillectomy | Surgical removal of the tonsils |
| vaccination | Administration of a vaccine |
| autoimmune | Immune reaction directed against a person's own tissue |
| anaphylactic | Immediate severe allergic response |
| hypersensitivity | Exaggerated abnormal reaction to an allergen. |
| anaphylaxis | Immediate severe allergic response |
| What are the three lines of defense against pathogens? | Physical mechanisms, Cellular Mechanisms, and Humoral Mechanisms |
| Splenectomy | Surgical removal of the spleen. |
| Asthma | Episodes of breathing difficulty due to narrowed or obstructed airways |
| autoimmune | Immune reaction directed against a persons own tissue |
| Immunodeficiency | Failure of the immune system |
| What are the classes of Immunodeficiency disorders? | Congential, Immunosuppression and acquired immunodeficiency(HIV/AIDS) |
| Immune system | A group of specialized cells, verses an organ system. Has 3 characteristics that include Specificity, memory and discrimination. |
| What are the two types of immunity? | Cellular and Humoral |
| Types of Immunoglobulins | igG,igA,igM,igD, and igE |
| What are the four classes of Immunity? | Natural active, artificial active, natural passive, and artificial paasive immunity |
| What four functions do antibodies have? | Neutralization, agglutination, precipitation and complement fixation. |
Created by:
NMcDuffey
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