MHC (Exam 1) Flashcards

1
Q

What are the only thing T cells can recognize?

A

short linear peptides

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2
Q

A T cell can only recognize its specific antigen. What two things need to be correct for it to recognize and respond?

A
  1. correct MHC molecule
  2. correct peptide
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3
Q

Term for the fact that T cell can only recognize antigen when it has the correct MHC molecule and peptide.

A

MHC restriction

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4
Q

(T/F) T cells can recognize and respond to antigen with MHC interaction.

A

False

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5
Q

What are APCs?

A

antigen-presenting cells

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6
Q

What are the 3 types of professional antigen-presenting cells?

A
  1. dendritic cells
  2. macrophages
  3. B cells
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7
Q

Dendritic cells act as APCs when they take up antigen and express ________ which is the second signal for an adaptive immune response to occur.

A

costimulatory molecule (B7)

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8
Q

Term for process of APCs to help T cells become activated.

A

co-stimulation

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9
Q

_______ is often added with vaccines to allow for a greater response of protection and activation of T cells.

A

adjuvant

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