Lymph System

Question 1

What do lymph vessels do?

Answer 1

transport fluid back into blood

Question 2

Characteristics of Lymph vessels

Answer 2

• one-way straw-like vessels that take lymph fluid back to the heart
• weave. b/w tissues and capillaries and absorb leaked fluid ( lymph )
• extremely permeable and are low-pressure vessels

Question 3

Tissue type of lymph vessels

Answer 3

simple squamous epithelial cells

Question 4

Why are lymph nodes permeable?

Answer 4

so proteins, cell debris, bacteria, and viruses can enter

Question 5

Can lymph capillaries get inflamed easily ( T/F )

Answer 5

True

Question 6

How is Lymph returned back to the Nervous System

Answer 6

the Right lymphatic duct/thoracic duct.

Question 7

What duct drain lymph from the
right arm + right side of the head + Thorax

Answer 7

right lymphatic duct

Question 8

What duct drain lymph from the rest of the body?

Answer 8

thoracic duct

Question 9

do both the r lymphatic duct and thoracic duct drain into the subclavian veins (t/f)

Answer 9

True

Question 10

Which duct drains into the Right subclavian vein

Answer 10

R. Lymphatic vein

Question 11

Which duct drains into the Left subclavian vein

Answer 11

Thoratic Duct

Question 12

what does the lymphatic vessles rely on for transport

Answer 12

Skeletal pumps

Question 13

How do lymph nodes protect the body

Answer 13

• removing foreign materials form lymph
• houses lymphocytes that work with immune sysyem

Question 14

What do the macrophages in LN’s do

Answer 14

engulf and destroy bacteria + viruses + other pathogens in lymph

Question 15

What do the Lymphocytes in LN’s do

Answer 15

respond to foreign substances in lymphatic fluids prior to returning to blood.

Question 16

Lymph node characteriscts

Answer 16

• kidney shaped
• less than 1 inch long
• buried in CT

Question 17

Where are LN found?

Answer 17

along Vessels

Question 18

Where are concentrated parts of LN

Answer 18

Lingual
Axillary
Iiliac
Mesonteric
Mandibular
Lumbar
Popliteal
Cervical
Lana all in me makes love pretty cunt

Question 19

What are swollen glands

Answer 19

swollen lymph nodes

Question 20

What is trabecule

Answer 20

part of the fibrous capsule that divides the node into compartments

Question 21

Characteristics of the spleen

Answer 21

• Soft
• blood-rich organ
• filters blood

Question 22

what does the spleen filter

Answer 22

from
- Bacteria
- viruses
- other debri

Question 23

what organ served as a site for
Lymphocyte proliferation + immune surveillance

Answer 23

spleen

Question 24

what does swollen LN indicate?

Answer 24

• active infection
• resulting from trapping of lymphocytes and macrophages

Question 25

what are the immune cells in speel responsible for

Answer 25

- destroying old RBC - returning products liver for recycling

Question 26

what does the spleen also store?

Answer 26

Platelets ( blood reservoir )

Question 27

Purpose of speel in fetus vs adults

Answer 27

Fetus: a hematopoietic site Adults: only makes lymphocytes

Question 28

at what age is the thymus most active

Answer 28

youth

Question 29

Where is the thymus located

Answer 29

low in the throat, overlying heart

Question 30

Does the thymus shrink or grow as we age to adults

Answer 30

shrink

Question 31

what hormone does the thymus make

Answer 31

thymosin

Question 32

what does thymosin do

Answer 32

makes lymphocyte -> t- lymph and be a protective role

Question 33

what are t-cell able to distinguish between

Answer 33

between seld and non self substances

Question 34

what are tonsils?

Answer 34

small masses of lymphoid tissues that ring around pharynx

Question 35

f(x) of tonsils

Answer 35

trap and remove bacteria/ foreign pathogens from entering the throat

Question 36

Where are Lingual tonsils found

Answer 36

behind tounge

Question 37

Where are Pharyngeal tonsils found

Answer 37

by nose

Question 38

Where are Palatine tonsils found

Answer 38

back of throat

Question 39

how does tonsillitis occur

Answer 39

when tonsils become congested with bacteria

Question 40

Where are peyers patches located

Answer 40

in the distal part of the small intestine

Question 41

where is the appendix located

Answer 41

worm-like offshoot of large intestine

Question 42

What do pyers patches and appendix prevent?

Answer 42

prevent bacteria from penetrating intestinal wall. MALT

Question 43

What is MALT

Answer 43

Mucosa-Associated Lymphoid Tissue

Question 44

What does the MALT do

Answer 44

protects the GI tract