Lymphatic System
Returns excess fluid to the bloodstream
What is the lymphatic system?
First line of defence, non-specific
What is innate immunity?
Cells that produce antibodies
What are B cells?
Swelling due to lymph blockage
What is Lymphoedema?
Most important infection control method
What is hand hygiene?
Organ that filters blood and removes old RBCs
What is the spleen?
Immunity that has memory
What is adaptive immunity?
Cells that kill infected cells
What are cytotoxic T cells?
Disease that attacks T cells
What is HIV/AIDS/Acute lymphocytic leukemia/Adult Hodgkin lymphoma/ immunodeficiency disorders ?
Equipment worn to prevent infection spread
What is PPE?
Small bean-shaped structures that filter lymph
What are lymph nodes?
Substance that triggers immune response
What is an antigen?
Process of engulfing pathogens
What is phagocytosis?
Immune system attacks the body
What are autoimmune diseases?
Common sign of infection
What is fever?
Fluid transported in lymphatic vessels
What is lymph?
Protein that attacks antigens
What is an antibody?
White blood cells that act as “big eaters”
What are macrophages?
Overreaction to harmless substances
What are allergies?
Four signs of inflammation
What are redness, heat, swelling, pain?
Structure where T cells mature
What is the thymus?
Immunity gained from vaccines
What is artificial active immunity?
Helper cells that coordinate immune response
What are helper T cells?
Example of autoimmune disease affecting joints
What is rheumatoid arthritis?
Why vaccines are important
What is developing immunity/preventing disease?