Primers in Immunology: Major Concepts of Host Defense

Question 1

Primary lymphoid organs:

Answer 1

Thymus, Bone marrow

Question 2

Secondary lymphoid organs

Answer 2

Lymph node, peyer patch, spleen

Question 3

Acute phase proteins

Answer 3

Plasma proteins whose concentration is increased in response to inflammation (e.g. C-reactive protein)

Question 4

Chemokines

Answer 4

Type of cytokines that regulate transit of leukocyte from blood into tissues

Question 5

When does phase 3 (induced adaptive/highly specific response) occur?

Answer 5

After 96 hours