Introduction

Question 1

Immunity

Answer 1

Body’s ability to resist infection

Question 2

Bone marrow

Answer 2

• red marrow: blood stem cells that can become red blood cells, leukocytes, and platelets
• yellow marrow: mostly fat

Question 3

Functions of spleen

Answer 3

• stores blood
• filters blood (by removing cell waste and getting rid of old/damaged cells)
• makes leukocytes
• makes antibodies
• maintains fluid levels

Question 4

Animal with similar immune system to humans

Answer 4

Pigs (>80%)

Question 5

Do all birds have IgY in yolk?

Answer 5

Yes

Question 6

Who discovered IgY antibodies in ostrich yolks

Answer 6

Dr. Yasuhiro Tsukamoto

Question 7

What animal has the most powerful immune system?

Answer 7

Ostriches

Question 8

Ostriches produce antibodies within _____ weeks of exposure to antigens

Answer 8

2

Question 9

Ostriches’ IgY are _____ heat sensitive and _____ acid resistant compared to other avians

Answer 9

Less; more

Question 10

Von Behring (1901)

Answer 10

Discovery of serum antibody

Question 11

Koch (1905)

Answer 11

Immune response in tuberculosis

Question 12

Brodet (1919)

Answer 12

Complement

Question 13

Edelman and Porter (1972)

Answer 13

Antibody structure

Question 14

Location and function of harderian gland

Answer 14

• location: behind eyes
• function: produces lacrimal fluid
• is a peripheral lymphoid organ

Question 15

Bursa fabricious

Answer 15

• unique organ to birds
• primary lymphoid organ for B cell differentiation, maturation, and development

Question 16

Cecal tonsils

Answer 16

• location: cecum-rectum junction
• largest lymphoid collections of avian GALT
• function: elicit protective immune response against bacterial and viral pathogens

Question 17

Most bony fish do/do not have functional bone marrow

Answer 17

• do not

Question 18

Where is heamopoeisis located in most bony fish

Answer 18

• spleen
• kidney
• intestimal submucosa
• thymus