Lymphatic System

Question 1

What are the functions of the lymphatic system?

Answer 1

Draining interstitial fluid, immune response, transporting lipids

Question 2

List the path of lymph circulation

Answer 2

capillaries->vessels->nodes->trunks->ducts->sublclavian veins->right atrium

Question 3

Name the three methods of transport of lymph

Answer 3

contraction of skeletal muscles, intrathoracic pressure during inhalation, and valves

Question 4

Define lacteals

Answer 4

specialized lymph capillaries that collect lymph from the small intestine

Question 5

Define chyle

Answer 5

milky white substance rich in dietary fat that collects in the cisterna chyli before draining into the thoracic duct

Question 6

List the lymphatic organs

Answer 6

Lymph nodes, thymus gland, spleen, lymphatic nodules

Question 7

Describe the function of the lymph nodes

Answer 7

Filters lymph for pathogens before it enters the venous system

Question 8

Where does lymph enter and exit through?

Answer 8

Enters through afferent vessels and exits through efferent (A for arrive and E for exit)

Question 9

Describe the function of the sinus

Answer 9

contains macrophages and dendritic cells that eat pathogens and present antigens to T cells

Question 10

What happens in the outer cortex of the lymph node?

Answer 10

B cell proliferation

Question 11

What happens in the deep cortex of the lymph node?

Answer 11

T cell proliferation

Question 12

Define medulla

Answer 12

center of the lymph node

Question 13

List the four lymph node sites

Answer 13

inguinal, axillary, cervical, and mediastinal

Question 14

Where is the thymus gland located?

Answer 14

superior mediastinum above the heart

Question 15

Where do T cells mature?

Answer 15

In the thymus gland with the help of thymosins

Question 16

What is large in infancy but shrinks as you get older?

Answer 16

Thymus gland

Question 17

What is the largest lymphoid organ?

Answer 17

Spleen

Question 18

Where is the spleen located?

Answer 18

In the left upper quadrant of the abdominal region

Question 19

What is the function of the spleen?

Answer 19

Filters blood

Question 20

What occurs in white pulp?

Answer 20

B & T cells proliferate and carry out immune functions. Macrophages eat pathogens, and only handles blood

Question 21

What occurs in red pulp?

Answer 21

Filled with RBCs, aging RBCs are destroyed, and it stores 1/3 of the body’s platelets

Question 22

What happens if you injure your spleen?

Answer 22

Fatal hemorrhage, difficult to repair and thus removed frequently, and you will get ill more if removal happens

Question 23

What are the lymphatic nodules?

Answer 23

tonsils, M.A.L.T.S, B.A.L.T.S

Question 24

What does MALT and BALT stand for?

Answer 24

Mucosua-associated and bronchus-associated lymphatic tissue

Question 25

What is the function of the tonsils?

Answer 25

They protect against inhaled/ingested pathogens

Question 26

Lists the different parts of the tonsils

Answer 26

Pharyngeal(adenoid), Palatine(paired), Lingual(paired)