Immune system Qs 1-8

Question 1

Central (primary) lymphoid organs:

Answer 1

Provide the microenvironment for maturation of T cells and B cells

Question 2

Haematopoietic 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 adaptive immune system is to:

Answer 5

Protect from disease upon reinfection with a specific pathogen.

Question 6

Rapid but non-antigen specific immune response 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 describes an example of innate immunity?

Answer 8

Antigen removal by cilia in the respiratory tract.