Immune System 1-10

Question 1

Central (primary) lymphoid organs:

Answer 1

Provide the microenvironment for maturation of T and B cells.

Question 2

Hematopoietic stem cells are pluripotent, which means that they are:

Answer 2

Capable of developing into any blood cells

Question 3

Lymphocytes continually recirculate through peripheral lymphoid tissue in order to:

Answer 3

Efficiently encounter antigen.

Question 4

Peripheral lymphoid organs:

Answer 4

Are designed to maximize contact between antigen and lymphocytes.

Question 5

The PRIMARY purpose of the adaptive immune system is to:

Answer 5

Protect from disease upon re-infection with a specific pathogen.

Question 6

Rapid but non-antigen specific immune responses are produced by the:

Answer 6

Innate immune system.

Question 7

Vaccination protects us from infectious disease by generating memory:

Answer 7

Lymphocytes.

Question 8

Which situation below describes an example of innate immunity?

Answer 8

Antigen removal by cilia in the respiratory tract.

Question 9

The antigen specificity of an adaptive immune response is due to:

Answer 9

Activation of antigen-specific lymphocytes.

Question 10

Clonal selection:

Answer 10

Result in proliferation of antigen specific lymphocytes.