Chapter 24 - The Immune System

Question 0

What is the function of the inflammatory response?

Answer 0

To clean and disinfect

Question 1

What triggers the inflammatory response?

Answer 1

Tissue damage

Question 2

What is adaptive immunity?

Answer 2

Very specific; a set of defensives and is activated only after exposure to a specific pathogen

Question 3

What is an antigen and what does it cause our immune system to do?

Answer 3

A molecule that causes an immune response

Question 4

What are antibodies and what do they do?

Answer 4

Proteins in blood plasma that attach to one particular kind of antigen and counter their effects.

Question 5

What are lymphocytes and what do they do?

Answer 5

White blood cells; spend time in the blood and tissues of the lymphatic system, responsible for adaptive immunity, provide specialized defenses that act on pathogens either in body fluid or cells.

Question 6

What is a vaccine?

Answer 6

Composed of a harmless variant or part of a disease called a microbe, such as a dead or weakened virus or a piece of a virus.

Question 7

What are the two categories of lymphocytes and what is the functional difference between these two categories?

Answer 7

B-cells: grow in bone marrow, receptors recognize antigens, evened against bacteria and viruses in body fluid, secrete antibodies, no aid in antibody memory
T-cells: matured in thymus, receptors recognize antigens, cell mediate response ( attack cells infected with bacteria or viruses)

Question 8

What are antigenic determinants?

Answer 8

Specific regions on an antigen where antibodies actually bind.