Chapter 20

Question 1

2 main lymphatic ducts

Answer 1

right lymphatic duct and thoracic duct

Question 2

Lymph system

Answer 2

“low pressure” and uses muscle contractions in order to move lymph

Question 3

Primary immune cells

Answer 3

T cells, B cells, macrophages, and dendritic cells

Question 4

MALT

Answer 4

mucosa-associated lymphoid tissue

Question 5

Lymphatic vessels

Answer 5

elaborate networks of drainage vessels

Question 6

Lymph

Answer 6

fluid in vessels

Question 7

Lymph nodes

Answer 7

cleanse lymph

Question 8

Main functions of lymphoid tissue

Answer 8

• houses and provide proliferation sites for lymphocytes

- offers surveillance vantage points for lymphocytes and macrophages as they filter through lymph

Question 9

Two functional categories of lymphoid organs

Answer 9

primary and secondary lymphoid organs

Question 10

Two main functions of lymph node

Answer 10

cleansing the lymph and immune system activation

Question 11

Location of spleen

Answer 11

under lower ribs on left side

Question 12

Function of spleen

Answer 12

• site of lymphocyte proliferation and immune surveillance and response
• cleanses blood of aged blood cells and platelets

Question 13

Primary lymphoid organs

Answer 13

thymus and red bone marrow