TCDHA Perio 1 Final Questions and Answers 100% Correct.

immune system - ANSWER-complex body defines system- protects body against bacteria, viruses, toxins and parasites innate system - ANSWER--present at birth -not antigen specific -present at all times -does not improve with repeated exposure to infectious agent adaptive immune system - ANSWER--develops throughout life -antigen specific -lag time between infection and response -memory develops- provides lifelong immunity to reinfection immune response - ANSWER-defend the life of the individual - by identifying foreign substances in body and developing defence against them host response - ANSWER-The way that an individual's body responds to an infection leukocytes - ANSWER--act like independent single-cell organisms -can move through tissues and capture micro-organisms on their own -2 types important in perio disease: PMNs, Moncytes/macrophages phagocytosis - ANSWER-process by which leukocytes engulf and digest microorganisms polymorphonuclear leukocytes - ANSWER-(PMNs) -neutrophils - rapid responders- 1st line of defence - capture/ destroy bacterial invaders -short-lived what attracts leukocytes to an infection site - ANSWER-PMNs are attracted to bacteria by chemotaxis lysosomes - ANSWER-strong bactericidal and digestive enzymes in PMN -perio pathogens are effectively destroyed by PMNs monocytes/macrophages - ANSWER-monocytes:in the bloodstream macrophages: in the tissues -slower to arrive at infection site than PMNs -surround/destroy bacteria -long-lived cells in chronic inflammation lymphocytes - ANSWER-small leukocytes- help defend body 2 types: B cells, t cells B lymphocytes - ANSWER-B Cells makes antibodies and pour into bloodstream 2 types: plasma/ memory b cells