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Immune Response to Allografts and Dendritic Cells Quiz

6 Questions

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Immune Response to Allografts and Dendritic Cells Quiz

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Questions and Answers

Which cells transport alloan- tigens from the graft to draining lymph nodes?

B cells

Dendritic cells (correct)

Macrophages

T cells

What is the process called when naïve T cells in the recipient recognize donor allogeneic MHC molecules on graft-derived dendritic cells?

Direct recognition (correct)

Cross-presentation

Allorecognition

Indirect recognition

How are donor alloantigens processed and presented to T cells in the indirect allorecognition pathway?

By B cells

By recipient APCs (correct)

By dendritic cells

By macrophages

What is the main role of alloreactive CD4+ T cells in graft rejection?

Secreting cytokines that injure the graft (A) Signup and view all the answers

What is the mixed lymphocyte reaction (MLR) used for?

Assaying the responses of T cells to alloantigens (A) Signup and view all the answers

Which type of T cell recognition is considered direct allorecognition?

Recognition of allogeneic MHC molecules by T lymphocytes (D) Signup and view all the answers