Lymphatic System

Question 1

_ are a network of vessels that return interstitial fluid and leaked plasma proteins to the blood

Answer 1

lymphatics (lymphatic vessels)

Question 2

_ include include lymphatic capillaries and larger lymphatic vessels

Answer 2

lymphatics

Question 3

_ is interstitial fluid that has gone into the lymphatics

Answer 3

lymph

Question 4

_ clean lymph and are the main secondary lymphoid organs of body

Answer 4

lymph nodes

Question 5

most lymph nodes are embedded deep in _, in clusters along lymphatic vessels

Answer 5

connective tissue

Question 6

_ is the fluid between cells

Answer 6

interstitial fluid

Question 7

_ are blind ended vessels (not a loop)

Answer 7

lymphatic capillaries

Question 8

lymphatic capillaries are a _-way system and move towards the heart

Answer 8

one

Question 9

lymphatic capillaries are _ permeable than blood capillaries

Answer 9

more

Question 10

_ means something is able to be passed through (such as liquids, gasses, materials)

Answer 10

permeable

Question 11

_ are one-way gates/flaps

Answer 11

minivalves

Question 12

_ are specialized lymph capillaries in intestinal mucosa

Answer 12

lacteals

Question 13

_ absorb digested fat and deliver chyle to the blood

Answer 13

lacteals

Question 14

_ is fatty lymph

Answer 14

chyle

Question 15

_ drain lymph vessels

Answer 15

collecting lymphatic vessels

Question 16

_ in skin travel with superficial veins, but deep vessels travel with arteries

Answer 16

collecting vessels

Question 17

_ are formed by joining together largest collecting vessels (lymphatic system)

Answer 17

lymphatic trunks

Question 18

_ drain large areas of body

Answer 18

lymphatic trunks

Question 19

_ collect lymph from trunks

Answer 19

lymphatic ducts

Question 20

_ empty junction of internal jugular and subclavian veins on its own side of body

Answer 20

lymphatic ducts

Question 21

_ drains upper right arm and right side of head-thorax

Answer 21

right lymphatic duct

Question 22

_ drains the lower right and entire left side of the body

Answer 22

thoracic duct

Question 23

_% of people have cisterna chyli in their thoracic duct

Answer 23

50

Question 24

_ is an enlargement at the beginning of the thoracic duct

Answer 24

cisterna chyli

Question 25

_ is severe, localized edema caused by anything preventing normal lymph return to blood

Answer 25

lymphedema

Question 26

_ are cells of the adaptive immune system and mature into either T or B cells

Answer 26

lymphocytes

Question 27

_ manage immune response; some attack-destroy infected cells

Answer 27

T lymphocytes (T cells)

Question 28

_ produce plasma cells

Answer 28

B lymphocytes (B cells)

Question 29

_ secrete antibodies, which mark antigens for destruction via phagocytes

Answer 29

plasma cells

Question 30

T and B cells protect against _

Answer 30

antigens

Question 31

_ phagocytize foreign substances

Answer 31

macrophages

Question 32

_ capture antigens and deliver them to lymph nodes

Answer 32

dendritic cells

Question 33

macrophages and dendritic cells help active _

Answer 33

T cells (T lymphocytes)

Question 34

_ produce reticular fibers to form stroma

Answer 34

reticular cells

Question 35

_ is a scaffolding for immune cells to hold onto

Answer 35

stroma

Question 36

_ is a loose arrangement of lymphoid cells and some reticular fibers in virtually every body organ

Answer 36

diffuse lymphoid tissue

Question 37

_ are solid, spherical bodies with packed lymphoid cells and reticular fibers

Answer 37

lymphoid follicles (nodules)

Question 38

_ are proliferating B cells in the lymphoid follicles

Answer 38

germinal centers

Question 39

lymph nodes have an external fibrous _

Answer 39

capsule

Question 40

_ are capsule fibers that extend inward and divide the node into the cortex and medulla

Answer 40

trabeculae

Question 41

the _ is the superficial part of the lymph node with follicles (B cells), T cells, and dendritic cells

Answer 41

cortex

Question 42

the _ of the lymph nodes has medullary cords that extend inward from the cortex with B and T cells, and plasma cells

Answer 42

medulla

Question 43

_ are found throughout the lymph node and have large lymphatic capillaries and mesh of reticular fibers

Answer 43

lymph sinuses

Question 44

lymph enters the node through _ lymphatic vessels

Answer 44

afferent

Question 45

leaving the afferent lymphatics, lymph travels through _ (large, bag-like) and into cortex-medulla

Answer 45

subcapsular sinus

Question 46

leaving the subcapsular sinus, lymph enters _

Answer 46

medullary sinuses

Question 47

lymph leaves the node through _ lymphatic vessels

Answer 47

efferent

Question 48

efferent lymphatics have _, which is an indented region of an organ where lymph leaves the node

Answer 48

hilum

Question 49

_ (swollen 'glands') are inflamed, swollen, and tender lymph nodes that appear when nodes are overwhelmed by what they're trying to destroy

Answer 49

buboes

Question 50

_ passes deep into stomach and sends branches to the pancreas and stomach; terminates to spleen

Answer 50

splenic artery

Question 51

_ collects blood from spleen, some of the stomach-pancreas, then forms hepatic portal vein with the superior mesenteric vein

Answer 51

splenic vein

Question 52

_ is the site of immune function (made of lymphocytes suspended in reticular fiber)

Answer 52

white pulp

Question 53

white pulp forms cuffs around _

Answer 53

central arteries

Question 54

_ is where worn-out RBC and pathogens are destroyed (made of RBC and macrophages)

Answer 54

red pulp

Question 55

red pulp consists of splenic _ and _

Answer 55

cords; sinusoids

Question 56

_ are regions of reticular connective tissue

Answer 56

splenic cords

Question 57

a _ is the surgical removal of ruptured spleen

Answer 57

splenectomy

Question 58

_ are lymphoid tissues in mucous membranes throughout body

Answer 58

mucosa-associated lymphoid tissue (MALT)

Question 59

MALT protects from | _ trying to enter body

Answer 59

pathogens

Question 60

_ are a ring of lymphatic tissue around pharynx

Answer 60

tonsils

Question 61

tonsils are the _ lymphoid organs

Answer 61

simplest

Question 62

_ are formed by invaginations of overlying epithelium in tonsils

Answer 62

tonsillar crypts

Question 63

_ are clusters of lymphoid follicles in small intestine walls

Answer 63

peyer’s patches

Question 64

peyer's patches are also called _

Answer 64

aggregated lymphoid nodules

Question 65

the _ is an offshoot of first part of large intestine

Answer 65

appendix

Question 66

appendix has _ number of lymphoid follicles

Answer 66

large

Question 67

_ keeps immature t cells away from pathogens so they don't get activated before they're ready

Answer 67

blood thymus barrier

Question 68

_ is where t cells become immunocompetent

Answer 68

stroma (thymus)

Question 69

stroma in thymus has _ (no reticular fibers)

Answer 69

epithelial cells