Ch. 21 Lymphatic System

Question 1

What filters blood and acts as a blood reservoir

Answer 1

Spleen

Question 2

Lymph drains from lymphatic trunk to

Answer 2

Lymphatic Ducts

Question 3

What side does the right lymphatic duct drain?

Answer 3

The upper right side

Question 4

What side does the thoracic duct drain?

Answer 4

The left side

Question 5

What is the largest lymphatic organ in the body?

Answer 5

Spleen

Question 6

What does MALT stand for?

Answer 6

Mucosa-associated lymphatic tissue

Question 7

What is Lymph?

Answer 7

The fluid that enters the lymphatic capillaries.

Question 8

What percentage of plasma does not get absorbed back into the blood capillaries?

Answer 8

15%

Question 9

The lymphatic system aids the _____ system by transporting excess interstitial fluid

Answer 9

Circulatory

Question 10

The right lymphatic duct drains which of the following parts of the body?

Answer 10

• Right side of head
• Right side of chest
• Right arm

Question 11

What is the Thymus and what does it produce?

Answer 11

A lymphoid organ situated in the neck of the vertebrates that produce T cells for the immune system. It shrinks are we approach puberty

Question 12

Hilum

Answer 12

an indentation in the surface of a kidney, spleen, or other organ, where blood vessels, ducts, nerve fibers enter or leave it

Question 13

Where do T-lymphocytes migrate to and mature in?

Answer 13

Thymus

Question 14

Cisterna Chyli

Answer 14

Sac-like structure at the base of the thoracic duct and anterior to the L2 vertebra

Question 15

What are considered primary lymphatic structures where lymphocytes are produced?

Answer 15

Thymus & Red bone marrow

Question 16

What is the function of lymphatic nodules?

Answer 16

To help defend against infection where they are found

Question 17

Where are immature T lymphocytes found?

Answer 17

in the cortex

Question 18

Where are mature T lymphocytes found?

Answer 18

in the medulla

Question 19

Epithelial Cells

Answer 19

Secrete thymic hormones

Question 20

What are normal constituents of lymph?

Answer 20

• low concentration of protein
• Ions
• Water

Question 21

After they are formed, lymphocytes are housed in ____ lymphatic structures

Answer 21

Secondary

Question 22

Lymphatic ____ are formed from merging lymphatic vessels

Answer 22

Lymphatic Trunks

Question 23

The ___ pulp of the spleen acts as a platelet reservoir

Answer 23

Red

Question 24

Dietary Lipids enter the lymphatic system through tiny lymph vessels called ___

Answer 24

lacteals

found in small intestines

Question 25

The spleen initiates an immune response when antigens are found in the blood. This function is associated with _____ pulp

Answer 25

White pulp

Question 26

What are the primary lymphatic structures where lymphocytes are produced.

Answer 26

• Thymus

- Red Bone Marrow

Question 27

What are pharyngeal tonsils called when they become enlarged?

Answer 27

Adenoids

Question 28

What are the two ducts of the lymphatic system?

Answer 28

The right lymphatic duct and the thoracic duct

Question 29

In what order does blood flow through the spleen?

Answer 29

1. Splenic Artery
2. Centeral artery of White Pulp
3. Splenic Sinusoids of Red Pulp
4. Splenic Vein