immunology and blood type

Question 1

what is the non-specific defense mechanism?

Answer 1

physical and chemical barriers, inflammatory response, and interferon - act against any foreign substances

Question 2

acquired immunity

Answer 2

response after exposure -facilitated by lymphocytes (white blood cell)

Question 3

what are the two types of lymphocytes?

Answer 3

T- cell and B-cell

Question 4

how to T-cells interact with a foreign substance?

Answer 4

attached directly in cell-mediated immunity

Question 5

how do B-cells interact with foreign substances?

Answer 5

secrete anti-bodies (anti-body-mediated or humoral immunity)

Question 6

define antigen

Answer 6

anything when introduced into the body results in a immune response that cause T and B cells to react. can be on the surface of virus or bacteria but also toxins, proteins, or other macromolecules

Question 7

What is an autoimmune disease?

Answer 7

body cant distinguish between self and invader - start attacking itself

Question 8

where are antibodies located in the blood?

Answer 8

plasma

Question 9

what is an antibody?

Answer 9

substance synthesized in self to be protective against some non-self material (antigen)

Question 10

first step of antigen-antibody reaction (agglutination)

Answer 10

clumping of cells in masses - try and confine or limit spread of an infection