Antigen Presentation & Processsing

Question 1

What does CTLA-4 do?

Answer 1

Outcompetes CD28 and leads to T cell inactivation

Question 2

What do you NEED to T cell activation?

Answer 2

CD28, CD80-CD86, TCR, MHC

Question 3

What type of antigen is presented on MHC Class I?

Answer 3

Both foreign and self

Question 4

What types of receptors can antigen presenting cells use?

Answer 4

MHC Class I

MHC Class II

Question 5

When a cell becomes infected with virus, what does it do first?

Answer 5

TLRs first send off Type I interferons!

Question 6

What is CD16?

Answer 6

Natural Killer cell marker