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Functions of the Lymphatic System

Functions of the Lymphatic System. The Lymphatic System in 2 minutes. https://www.youtube.com/watch?v=EEP0PYEWcwU. Lymph Fluid. Fluid that goes between capillary blood and tissues Lymph in tissues = interstitial fluid Carries digested food, O2, and hormones to cells

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Functions of the Lymphatic System

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  1. Functions of the Lymphatic System

  2. The Lymphatic System in 2 minutes • https://www.youtube.com/watch?v=EEP0PYEWcwU

  3. Lymph Fluid • Fluid that goes between capillary blood and tissues • Lymph in tissues = interstitial fluid • Carries digested food, O2, and hormones to cells • Carries waste back to capillaries for excretion • Skeletal muscle action helps to squeeze lymph along

  4. Lymph Vessels • Transport excess tissue fluid back into circulatory system • Valves prevent backflow (only flows one direction) • Closely parallel to veins • Empties into thoracic duct (left lymphatic duct) and right lymphatic duct

  5. Lymph Nodes • Produce lymphocytes • Filter out bacteria • If substance cannot be destroyed, node will become inflamed

  6. Tonsils • Also produce lymphocytes • Combat disease from inhalation • 3 pairs • What are they? • Where are they located?

  7. Spleen • Produces Lymphocytes and Monocytes • Filters/stores blood • Recycles old RBCs

  8. Thymus • Produces and “trains” T Lymphocytes • Also considered endocrine gland

  9. Immunity • Body’s ability to resist disease • Natural Immunity • Acquired Immunity

  10. Natural Immunity • Birth, inherited, permanent • Unbroken skin • Mucous • Tears • Blood Phagocytes • Local inflammation

  11. Acquired Immunity • Body’s reaction to invaders • Passive acquired immunity: from injecting antibodies • Only lasts up to a few weeks • Active acquired immunity: lasts longer • Natural acquired immunity- e.g. recovering from disease (body manufactures antibodies) • Artificial acquired immunity- vaccinations

  12. Immunization • ANTIGEN injected to stimulate production of ANTIBODIES

  13. Standard/Universal Precautions • Treating everyone as if they have potentially infectious material • Used in patient care when there is potential contact with blood, body fluids, mucous membranes, or non-intact skin • Includes • Handwashing • PPE • Patient care equipment/linens

  14. Handwashing • SINGLE MOST EFFECTIVE WAY TO PREVENT INFECTION • Wash after touching body fluids (even if wearing gloves) • Wash after removing gloves, between patient contact • SOAP and friction • Wash for minimum of 10 seconds • ABCs, Twinkle Twinkle, Happy Birthday

  15. PPE • Personal Protective Equipment • Gloves: when touching blood/body fluids • mask, goggles, face shield, gown, shoe covers • When patient care activities can generate splashing, spray of blood/body fluids

  16. Patient Care Equipment/Linens • Handle with care • Don’t let it touch your clothing • Clean/Discard appropriately

  17. Occupational Health and BBP • BBP = bloodborne pathogens • Be cautious with needles (when using or in the room with someone utilizing) • NEVER RECAP USED NEEDLES • Sharps go in a sharps container • Use mouthpieces, resuscitation bags or other ventilation devices as alternative to mouth to mouth • Patient with contamination risk should be in relatively isolated area

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