Parts and what it does

Question 1

Functions of lymphatic system

Answer 1

Returns lymph to blood
Transports lipids and lipid soluble vitamins (A,D,E and K) to veins
Immunity

Question 2

Anatomy of lymphatic stuff

Answer 2

Ducts
Trunks
Vessels
Capillaries
Nodes

Question 3

What do lymphatic capillaries do?

Answer 3

Go between body tissues and capillaries
Collect water, solutes, and leukocytes from interstitial space which creates lymph

Question 4

What creates mini valves in lymphatic capillaries?

Answer 4

Cells are not tightly joined but overlap loosely

Question 5

What opens the lymphatic valves in lypmhatic capillaries?

Answer 5

Increase in interstitial fluid
Causes fluid to enter the capillary

Question 6

What closes the valves in lymphatic capillaries?

Answer 6

Increased fluid in capillary

Question 7

What are lacteals

Answer 7

Specialized lymph capillaries located within villi of small intestine

Question 8

What do lacteals do?

Answer 8

Absorb fats/lipids

Question 9

Lymph goes into lymphatic vessels under ___ pressure?

Answer 9

Low

Question 10

Flow of lymph

Answer 10

Lymphatic capillaries
Lymphatic vessels
Lymphatic trunks
Lymphatic ducts
Subclavian veins/ internal jugular
Heart

Question 11

What are the 2 lymphatic ducts?

Answer 11

Right lymphatic duct
Thoracic duct

Question 12

What does right lymphatic duct drain?

Answer 12

Collects lymph from upper limb
Thorax
Head
Neck
All on right side

Question 13

What does thoracic duct drain?

Answer 13

Lower limbs
Abdominopelvic regions
Upper limb, neck, head on left side

Question 14

Thoracic duct description

Answer 14

Runs along dorsal body wall
Retroperitineal
Arises from cisterna chyli

Question 15

What helps move lymph?

Answer 15

Contraction of smooth muscles
Contraction of skeletal muscles
Respiratory pump

Question 16

What are antigens?

Answer 16

Substances that causes an immune response

Question 17

What are examples of pathogens?

Answer 17

Bacteria
Viruses
Tumor cells

Question 18

2 main groups of leukocytes?

Answer 18

Granulocytes
Agranulocytes

Question 19

What are the granulocytes?

Answer 19

Neutrophils
Eosinophils
Basophils

Question 20

Neutrophils description

Answer 20

First one on the scene
3-5 lobes
Eat and destroy bacteria

Question 21

Eosinophils

Answer 21

2 lobes
Attack objects covered in antibodies
Eat parasitic worms
Help control/ reduce inflammation
Respond to allergens

Question 22

Basophils

Answer 22

Lot’s of granules
Start inflammation process
Release histamine
Release heparin

Question 23

What does histamine do?

Answer 23

Dilates blood vessels and attracks WBC to inflamed site

Question 24

What does heparin do?

Answer 24

Prevents blood clotting

Question 25

What are the agranulocytes?

Answer 25

Monocytes Lymphocytes

Question 26

Monocytes description

Answer 26

Largest Leukocytes U shaped nucleus Transform into macrophages that become eater cells Attract other phagocytic cells and fibroblasts

Question 27

Lymphocyte types

Answer 27

T cells B cells

Question 28

What do T cells do?

Answer 28

Kill virus Infected cells Tumor cells

Question 29

What do B cells do?

Answer 29

Produce antibodies that tag foreign substances and cells for destruction

Question 30

What do primary organs of lymphatic system do?

Answer 30

Where immune cells divide and mature

Question 31

What do secondary organs of lymphatic system do?

Answer 31

Where lymphatic cells are stored and immune response occurs

Question 32

What does red bone marrow do?

Answer 32

Form the leukocytes Where B cells are matured

Question 33

What does thymus do?

Answer 33

Produces thymosin that matures T cells

Question 34

What happens to thymus as we get older?

Answer 34

Turns into fatty tissue

Question 35

What is function of lymph nodes?

Answer 35

Filters lymph and monitors body fluids

Question 36

Where are lymph nodes found?

Answer 36

Along lymphatic vessels

Question 37

White side of spleen?

Answer 37

Filters and cleanses blood

Question 38

Red side of spleen?

Answer 38

Destruction of old erythrocytes

Question 39

What do tonsils do?

Answer 39

Collect pathogens that enter mouth and nasal cavity

Question 40

Pharyngeal tonsils

Answer 40

Posterior side of nasopharynx

Question 41

Palantine tonsil

Answer 41

Paired on the lateral walls of oral cavity

Question 42

Lingual tonsil

Answer 42

base of tongue

Question 43

Peyers patches

Answer 43

In walls of small intestine

Question 44

What does appendix do?

Answer 44

Destroys bacteria Prevents bacteria from breaching intestinal wall