Immune system

Question 1

Primary lymphoid organs

Answer 1

Thymus
Bone Marrow

Question 2

_______ are a specialized protein produced by the immune system in response to the presence of antigens

Answer 2

Immunoglobulins

Question 3

Secondary lymphoid organs

Answer 3

• Lymph nodes
  ○ Cortex: B lymphocytes
  ○ Medulla T and B lymphocytes
• Spleen
  ○ Process antigens from the blood
• Gut associated lymphoid tissue
• Mucosa associated lymphoid tissue

Question 4

Its primary function is to help protect the body from pathogens and foreign substances that are ingested through food and drink

Answer 4

Gut associated lymphoid tissue

Question 5

Plays a critical role in preventing infections and maintaining the integrity of mucosal barriers in the body

Answer 5

Mucosa associated lymphoid tissue

Question 6

An ________ is a molecule or molecular structure that is recognized by the immune system as foreign or non-self

Answer 6

Antigen

Question 7

After an initial exposure to an antigen, the immune system can produce B cells that remember the specific antigen

Answer 7

Memory

Question 8

Nonspecific cells: phagocytes, natural killer (NK) cells, non immunologic memory

Answer 8

Innate immune response

Question 9

Highly specific cells; immunologic memory, need priming

Answer 9

Adaptive immune response

Question 10

Antibody-mediated immune response.
- B lyfochtes

Answer 10

Humoral response

Question 11

Cellular response

Answer 11

• Cell- mediated immune response
• CD4 Helper T cell (MHC II) - specific protein that recognize the antigen)
• CD8 Cytotoxic T cell (MHC I)
• APC cells
• T-lymphocytes

Question 12

Primary types of antigen presenting cells

Answer 12

Dendritic cells, macrophages, and B cells