Immunology - 10

Question 1

Which are all the types of B cells?

Answer 1

• Mature B cells
• Naive B cells
• Plasma cells
• Memory B cells

Question 2

Which are all the types of T cells?

Answer 2

• CD4+ T cells
• CD8+ T cells
• CD4+ T helper cells
• CD8+ cytotoxic (CTL)

Question 3

Which are the primary lymphoid organs?

Answer 3

• Bone marrow (B cell development)

* Thymus (T cell development)

Question 4

Which are the secondary (peripheral) lymphoid organs

Answer 4

• Spleen
• lymph nodes

Where antigen activation occurs (were cells see antigen)

Question 5

What are the functions of the secondary lymphoid organs?

Answer 5

• Bring lymphocytes into contact with their cognate antigen

* bring antigen specific lymphocytes into contact with each other

Question 6

Which cells make antibodies?

Answer 6

• Plasma cells

* mature and naïve B cells

Question 7

Which cells are known as antibody factories?

Answer 7

Plasma cells

Question 8

What are the two main forms of antibodies?

Answer 8

• Bound to the surface of the B cell, called the BCR

* secreted outside the cell (lacks the hydrophobic tail (transmembrane region) )

Question 9

When do B cells start secreting antibodies?

Answer 9

After they see antigen and are activated

Question 10

What is opsonization?

Answer 10

When antigens are marked so it is recognized by cells with antibody receptors to induce phagocytosis