Unit 1 Flashcards

(6 cards)

0
Q

What are Experienced Activated B Cells able to do?

A

Able to present antigens for T helper cells.

Able to concentrate antigen for presentation.

Displaying both BCRs with antigen and MHC 2 with antigen (crosslinked)

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1
Q

What is the time line as to when cells present antigen?

A
  1. Dendritic Cells
  2. Macrophages
  3. B Cells
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2
Q

What do virgin B Cells do?

A

Make little MHC 2 and little B7

Not used as APC at the beginning of a battle.

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3
Q

True or false:

Experienced T cells need continual re-stimulation.

A

True

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4
Q

How are macrophages activated?

A

Battle cytokines - IFN-y

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5
Q

What do activated dendritic cells do?

A

Activate virgin T cells in the lymph node.

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