Immune System

Question 1

what does a larger zone of inhibition mean

Answer 1

stronger antibacterial properties

Question 2

should plant extracts show zone of inhibition?

Answer 2

yes because all plant extracts have some type of antibacterial property

Question 3

should saliva have a zone of inhibition

Answer 3

no because saliva has enzymes that encourage sugar breakdown and bacteria

Question 4

should sweat have a zone of inhibition

Answer 4

yes, small zone because it has salt which can inhibit bacterial growth

Question 5

should tears have zone of inhibition

Answer 5

lyes, should have largest zone because they contain lysosomes which are antibacterial agents

Question 6

tonsils

Answer 6

prevent germs from entering body

Question 7

thymus

Answer 7

where immature T cells undergo maturation

Question 8

bone marrow

Answer 8

major blood forming organ, responsible for producing red and white blood cells

Question 9

leukocytes

Answer 9

another name for white blood cells, repair tissue and defend against pathogens

Question 10

spleen

Answer 10

filters blood, stores extra red blood cells in case of emergency

Question 11

lymph nodes

Answer 11

located all around body, filter lymph passing through

Question 12

erythrocytes

Answer 12

red blood cells, most abundant type of blood cell, transport oxygen and CO2

Question 13

platelets

Answer 13

small cell fragments, involved in formation of blood clots

Question 14

neutrophils

Answer 14

defend body against bacterial and fungal infection via phagocytosis

Question 15

eosinophils

Answer 15

responds to parasitic infections, secretes chemicals that destroy parasites too large to phagocytize

Question 16

basophils

Answer 16

responsible for inflammatory reactions during immune response by producing histamine and heparin, responsible for allergic reactions

Question 17

lymphocytes

Answer 17

adaptive immune system, allows body to remember infections and fight them better upon reinfection

Question 18

monocytes

Answer 18

defends body against pathogens via phagocytosis delivers pieces of pathogens to lymphocyte cells

Question 19

reticular fibers

Answer 19

mesh-like, allows filtration of lymph system pathogens and debris

Question 20

3 major types of lymphocytes

Answer 20

B cells, T cells, Killer cells

Question 21

blood cells that are part of the adaptive immune response

Answer 21

lymphocytes and monocytes

Question 22

blood cells that are part of the innate immune response

Answer 22

eosinophils, basophils, neutrophils

Question 23

B cells

Answer 23

secrete antibodies and mature in bone marrow

Question 24

T cells

Answer 24

bind to antigens and coordinate response

Question 25

killer cells

Answer 25

kill cells of body that do not display proper MHC class molecules