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TCDHA PERIO 1 FINAL (Chapters 14,15,16,17,20,21) NEWEST ACTUAL EXAM COMPLETE ALL QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+$18.99
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TCDHA PERIO 1 FINAL (Chapters 14,15,16,17,20,21)
NEWEST ACTUAL EXAM COMPLETE ALL QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
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
antibodies✔✔ ANSWER✔✔y shaped proteins
y binds w outside of b celll
-other end of y binds to a MO and kills it
antibodies✔✔ ANSWER✔✔are known collectively as immunoglobulins
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