The Immune System

Question 1

skin

Answer 1

physical barrier (between the external and internal environment)

Question 2

Tears, saliva, and mucus

Answer 2

physical and chemical (enzyme) barriers

Question 3

Immune system

Answer 3

Primary defense system [included specialized proteins (Ab) and cells]

Question 4

Antigen

Answer 4

foreign proteins (*not present on the membrane of cell)

Question 5

Lymphatic organs

Answer 5

spleen, thymus, and tonsils

Question 6

Macrophage

Answer 6

engulf and digest

Question 7

T-cells

Answer 7

kills or marks infected cell for destruction

Question 8

B-cells

Answer 8

antibodies (neutralized antigen)

Question 9

Antibodies

Answer 9

have a region that matches the slope of the antigen

Question 10

B-cells that remain in the blood

Answer 10

plasma cells/memory cells

Question 11

Active Immunity

Answer 11

“acquired” vaccination and antigen exposure

Question 12

vaccination

Answer 12

weakened pathogen

Question 13

antigen exposure

Answer 13

getting sick

Question 14

Positive Immunity

Answer 14

“acquired” breast-feeding and placenta and snake bite or dog bite

Question 15

breast-feeding and placenta

Answer 15

mom passes antibodies

Question 16

snake bite or dog bite

Answer 16

antibody injection

Question 17

innate immunity

Answer 17

immunity present at birth and not due to antigen exposure

Question 18

innate immunity example

Answer 18

disease in another species that is non-pathogenic to humans