Chapter 21

Question 1

principal function of lymphatic system

Answer 1

return excess fluid

Question 2

lymphatic system components

Answer 2

lymph vessels
lymphoid tissue
organs

Question 3

lymph

Answer 3

fluid transported by the lymphatic system

Question 4

components of lymph

Answer 4

mostly water
dissolved solutes
small amount of protein
sometimes:
debris
pathogens
cancer cells

Question 5

smallest lymphatic vessels

Answer 5

lymphatic capillaries

Question 6

lymphatic capillaries vs blood capillaries

Answer 6

lymphatic:
larger
no basement membrane
have overlapping endothelial cells

Question 7

anchoring filaments

Answer 7

hold everything

Question 8

lacteals

Answer 8

lymphatic capillaries in the GI tract
absorb lipid-soluble substances

Question 9

lymphatic system merging

Answer 9

lymphatic capillaries
lymphatic vessels
lymphatic trunks
lymphatic ducts

Question 10

primary lymphoid structures

Answer 10

thymus
red bone marrow

Question 11

secondary lymphoid structures

Answer 11

spleen
tonsils
lymph nodes
lymph nodules
MALT

Question 12

_____ pressure pushes the interstitial fluid into the lymphatic capillaries

Answer 12

hydrostatic

Question 13

lymphatic vessels have _____ like veins

Answer 13

valves

Question 14

lymphatic system moves lymph using

Answer 14

skeletal pump
respiratory pump
pulsatile movement of blood
rhythmic contraction of smooth muscle

Question 15

jugular trunks drain from

Answer 15

head and neck

Question 16

subclavian trunks drain from

Answer 16

upper limbs
breasts
superficial thoracic wall

Question 17

bronchomediastinal trunks drain from

Answer 17

deep thoracic wall

Question 18

intestinal trunk drains from

Answer 18

most abdominal structures

Question 19

lumbar trunks drain from

Answer 19

lower limbs
abdominopelvic wall
pelvic organs

Question 20

largest lymphatic vessel

Answer 20

thoracic duct

Question 21

2 lymphatic ducts

Answer 21

right lymphatic duct
thoracic lymphatic duct

Question 22

right lymphatic duct location

Answer 22

near right clavicle

Question 23

right lymphatic duct drains

Answer 23

upper right quadrant

Question 24

right lymphatic duct delivers lymph to

Answer 24

junction of right subclavian and right internal jugular veins

Question 25

saclike base of thoracic duct

Answer 25

cisterna chyli

Question 26

thoracic duct drains lymph from

Answer 26

the rest of the body

Question 27

thoracic duct from diaphragm to ____

Answer 27

left subclavian and left internal jugular veins

Question 28

lymphedema

Answer 28

accumulation of interstitial fluid due malfunction of lymphatic system

Question 29

red bone marrow is the site for

Answer 29

hematopoiesis

Question 30

T lymphocytes maturate in

Answer 30

thymus

Question 31

location of red bone marrow

Answer 31

sponge bone

Question 32

location of the thymus

Answer 32

mediastinum

Question 33

thymus structure

Answer 33

2 thymic lobes surrounded by connective tissue capsule trabeculae subdivides lobes into lobules

Question 34

cortex of a lobule contains

Answer 34

immature T-lymphocytes

Question 35

medulla of a lobule contains

Answer 35

mature T-lymphocytes

Question 36

lymphoid tissue

Answer 36

tissue inside another organ

Question 37

lymph nodes function

Answer 37

filter lymph remove unwanted substances

Question 38

lymph node components

Answer 38

afferent lymphatic vessels efferent lymphatic vessel trabecular cortex medulla

Question 39

efferent lymphatic vessel location

Answer 39

hilum

Question 40

lymph node cortex contains

Answer 40

lymphoid nodules

Question 41

parts of the lymph cortex

Answer 41

cortical sinus mantle zone germinal center

Question 42

what does germinal centers house?

Answer 42

proliferating B-lymphocytes macrophages

Question 43

what does mantle zone contain?

Answer 43

T-lymphocytes macrophages dendritic cells

Question 44

lymph node medulla contains

Answer 44

medullary cords

Question 45

largest lymphoid organ

Answer 45

spleen

Question 46

tissues of the spleen

Answer 46

white pulp red pulp

Question 47

white pulp contains

Answer 47

T-lymphocytes B-lymphocytes macrophages all around a central artery

Question 48

red pulp contains

Answer 48

erythrocytes platelets macrophages B-lymphocytes

Question 49

spleen function

Answer 49

monitors blood clear defective erythrocytes and macrophages store them too eat foreign particles

Question 50

path of flow in the spleen

Answer 50

splenic artery central artery sinusoids venules splenic vien

Question 51

tonsils are named for

Answer 51

the are they're in

Question 52

mention the tonsils

Answer 52

pharyngeal tonsils palatine tonsils lingual tonsils

Question 53

pharyngeal tonsil location

Answer 53

nasopharynx

Question 54

palatine tonsil location

Answer 54

posterolateral oral cavity

Question 55

lingual tonsil location

Answer 55

posterior 1/3 of tongue

Question 56

tonsils contain invaginations called ______ which _____ material

Answer 56

tonsillar crypts, trap

Question 57

lymphoid nodules group together to form

Answer 57

MALT

Question 58

where is mucosa-associated lymphoid tissue (MALT) located?

Answer 58

GI, respiratory, urinary, genital tracts

Question 59

where is MALT prominent?

Answer 59

ileum