immune system

Question 1

innate

Answer 1

non specific response

• occurs in minutes to hours
• same each time
• fixed and limited
• Barriers, inflammatory response, Innate immune cells, PRR’s, complement system

Question 2

adaptive

Answer 2

specific response

• improves(better with each exposure)
• 1st reponse happens in days
• 2nd response is minutes to hours
• T and B cells, antibodies, plasma cells

Question 3

two ways body responds to foreign agent

Answer 3

innate(WBC’s)

adaptive(t and b cells,and antibodies)

Question 4

4 signs of inflammation

Answer 4

• redness
• swelling
• pain
• heat

Question 5

4 stages of inflammation

Answer 5

1. Chemical signals released by macrophage and mast cells at injury site cause nearby capillaries to widen and become permeable and allow for blood to bring more leukocytes.
2. fluid, antibacterial proteins and clotting elements move from blood to clotting site and CLOTTING BEGINS
3. Chemokines released by various kinds of cells attract more phagocyte cells from blood to injury site
4. Neutrophils and macrophage phagocytose pathogens and cell debris at site and the tissue heals