extra 21

Question 1

immunity

Answer 1

resistance to disease, ability to resist damage: bacteria, virus, fungi

Question 2

immune system- 2 intrinsic controls

Answer 2

innate (release proteins, specific, born with, recognize and destroy foreign substances, pathways) and adaptive (3rd line defense, attacks, takes longer, recognize and destroy, ssmi- specific to antigen, systemic, memories, improves with exposures)

Question 3

innate has 2 lines of defense

Answer 3

1) skin and mucosa
2) antim proteins, phagocytes

Question 4

innate has 3 components

Answer 4

surface b (ward off invading pathogens, skin, mucous mb, body secretion), cells, chemical mediators

Question 5

mucosae lines

Answer 5

body tracts, DURR

Question 6

NK cells

Answer 6

nonphagocytic large granular lymphocytes, attack cells that have no antigen, deliver death signal

Question 7

interferon activate

Answer 7

immune cells, signal infected/uninfected cells

Question 8

humoral immunity
cellular immunity

Answer 8

antibodies produced circulating freely in body fluids, B lymphocytes
lymphocyte acts against target cells, t lymphocytes

Question 9

antigens target

Answer 9

adaptive responses

Question 10

T lymphocyte/cells
B cells

Answer 10

mature in thymus
mature in bone marrow

Question 11

antibodies are proteins

Answer 11

secreted by plasma cells