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Flashcards in chapter 21 Deck (29):
1

In the list below, which type of cell is involved in adaptive immunity?

b cells

2

Which of the following is NOT a sign of inflammation?

fever

3

The first step in inflammation is __________.

the release of inflammatory chemicals

4

leukocytosis

. an increase in the number of white blood cells that are in circulation

5

margination

clinging of phagocytic cells to the inner walls of the capillaries

6

diapedesis

phagocytes squeeze through the capillary endothelium

7

chemotaxis

white blood cells migrate to the site of tissue damage

8

Which of the following is NOT a property of interferons (IFNs)?

IFNs stimulate B cells to produce antibodies.

9

A moderate fever is a protective adaptive response.


True

10

Humoral immunity is provided by __________.

antibodies

11

__________ are substances that can trigger the adaptive defenses and provoke an immune response.

antigens

12

__________ is the property of lymphocytes that prevents them from attacking the body's own cells.

Self-tolerance

13

Self-reactive B cells are eliminated in the __________.

bone marrow

14

Which of the following is a characteristic of a secondary immune response?

A secondary immune response lasts longer than a primary immune response.

15

A vaccination works to establish __________.

artificial active immunity

16

IgG

most abundant class of antibodies

17

IgM

large, pentamer shaped antibody

18

IgA

dimeric antibody found in body secretions

19

IgD

antigen receptor found on B cells

20

IgE

antibody that mediates some allergies

21

Which is correctly matched

ytotoxic T cells: activated by antigens bound to MHC I

22

MHC II proteins are found on __________.

antigen-presenting cells

23

What is the second step of T cell activation?

co-stimulation

24

Which of the following is mismatched?

helper T cells: directly target and kill cancer cells

25

A graft that is transplanted from one person to a genetically identical individual (i.e., to an identical twin) is an example of a(n) __________.

isograft

26

severe combined immunodeficiency syndrome (SCID

genetic defect resulting in a shortage of B and/or T cells

27

AIDS

condition in which T helper cells are destroyed by a virus

28

rheumatoid arthritis

autoimmune disorder

29

immediate hypersensitivity

allergy