Immune System

Question 1

3 lines of defense

Answer 1

1st: surface coverage, non-specific, includes skin/sweat, mucosal surfaces, cilia, stomach acid
2nd: non-specific, includes leukocytes, antimicrobial proteins, inflammatory response
3rd: specific, B and T cells

Question 2

3 types of phagocytes

Answer 2

Macrophages
Mast cells
Neutrophils

Question 3

2 ways disease occurs

Answer 3

1. Virulence of invading organism is great

2. Immunity is compromised

Question 4

4 Functions of Antibodies

Answer 4

1. ADCC (release of ROIs)
2. Opsonize for phagocytosis
3. Neutralize
4. Activation of complement

Question 5

4 ways parasites can cause a disease

Answer 5

1. Trauma
2. Nutrition robbing
3. Toxin production
4. Interactions between the hosts inflammatory/immune system

Question 6

4 methods of immunodiagnosis

Answer 6

1. Skin test
2. Indirect Hemagglutination Test
3. Indirect Fluorescent Antibody Test
4. Enzyme-Linked Immunosorbent Assay

Question 7

3 types of cytokines

Answer 7

Interferons
Tumor Necrosis Factor
Interleukin

Question 8

Hemozoin

Answer 8

Released by malaria after digesting erythrocytes

Inhibits the phagocytic abilities of phagocytes such as macrophages