Lymphatics

Question 1

what is NOT part of the MALT system?

Answer 1

spleen

Question 2

how many lymphatic ducts do humans have?

Answer 2

two: right and lymphatic

Question 3

what would you NOT find in a lymph node

Answer 3

RBC
(has B, T, macrophage, dendritic)

Question 4

as a lymphatic tissue, one of the jobs of the spleen is to filter lymphatic fluid (T/F)

Answer 4

False

Question 5

lacteals are specialized lymphatic capillaries that….

Answer 5

absorb fat in the small intestine

Question 6

low P lymphatic vessels have _____ to ensure one way flow of lymphatic fluids

Answer 6

valves

Question 7

what’s the dif btwn interstitial fluid and lymphatic fluid

Answer 7

essentially the same but lymph fluid is inside lymphatics while interstitial fluid is not

Question 8

swelling of lymph nodes indicates dysfunction of the lymphatic system (T/F)

Answer 8

False

Question 9

Thymus is located within the ____

Answer 9

mediastinum

Question 10

2 important functions of lymphatics?

Answer 10

Fluid flow
Immune communication

Question 11

Source of lymph?

Answer 11

interstitial fluid, excess outflow

Question 12

mechanisms of lymph transport

Answer 12

vessels
tissues

Question 13

Major lymph organs

Answer 13

nodes
spleen
thymus
tonsils

Question 14

General location of lymph nodes?

Answer 14

joints

Question 15

Lymphatic vessels (4)

Answer 15

capillaries
collecting vessels
trunks
ducts

Question 16

lymphatic capillaries structure

Answer 16

blind ended
minivalves
endothelial cell anchors

Question 17

Lymph collecting vessels structure

Answer 17

Tunica interna, media, externa
more valves and anastomoses
mostly along superficial veins

Question 18

Lymph trunks (5)

Answer 18

L/R lumbar
L/R bronchomediastinal
L/R subclavian
L/R jugular
Intestinal

Question 19

Lymph ducts function and names (2)

Answer 19

collect from trunks, drain into venous circulation

Right LD and Thoracic

Question 20

Lymph transport description

Answer 20

respiratory and muscular pumps
one way due to valves

Question 21

Lymphatic cells (4)

Answer 21

lymphocytes (T and B)
dendritic
reticular

Question 22

kill infected or damaged body cells

Answer 22

T

Question 23

plasma cells, antibody factories

Answer 23

B cell

Question 24

antigen presenting cells

Answer 24

dendritic

Question 25

fibroblasts which secrete connective tissue

Answer 25

Reticular cells

Question 26

tissue w no capsule found in nearly every organ, esp prominent in mucus membranes

Answer 26

Diffuse

Question 27

dense packed reticular elements and cells, lots of B and Dendritic. Peyers patches

Answer 27

Follicles

Question 28

MALT system includes

Answer 28

diffuse, follicles

Question 29

filtering stations for lymph returning to blood circulation location for activation of immune system (lymphocytes) highly dense at joints

Answer 29

lymph nodes

Question 30

Structure of Lymph node

Answer 30

<1" bean trabeculae connective tissue cortex (B, dendritic, T) Medulla

Question 31

function of spleen

Answer 31

Largest lymphoid organ but does not filter lymph * Removes old and defective RBC’s from bloodstream. Saves hemoglobin for recycling. * RBC production in fetus * Storage of platelets

Question 32

Important for immune system development by secreting two hormones, thymosin, thymopoietin. Abt disappears in elderly

Answer 32

Thymus

Question 33

5 tonsils forming ring around pharynx

Answer 33

palatine tonsil (1, adenoid) 2 lingual tonsils 2 pharyngeal tonsils Eustachian (tubal)