Lymphatic System Question s

Question 1

Is the lymphatic system an open or closed system?

Answer 1

Closed

Question 2

Are lymphatic capillaries more or less permeable than blood capillaries?

Answer 2

More, meaning material passes through evenly

Question 3

How many liters of lymph flow through the lymphatic system each day?

Answer 3

2-3 liters

Question 4

Which lymphatic structure drains lymph from the right side of the body

Answer 4

The right lymphatic duct

Question 5

What does the right lymphatic duct drain?

Answer 5

R head and neck
R upper limb
R thorax
R upper quadrant

Question 6

Which lymphatic structure drains lymph from the left side of the body?

Answer 6

Thoracic Duct

Question 7

What does the thoracic duct drain?

Answer 7

L head and neck
L upper limb
L thorax
Abdomen and lower limbs

Question 8

What causes lymph to flow?

Answer 8

It is from the periphery to the central vasculature

Question 9

List the steps of lymph flow.

Answer 9

1. interstitial fluid
2. lymphatic capillaries
3. travels in lymphatic vessels to regional lymph nodes
4. lymph goes up or down to the thorax/ to the left or right ducts
5. lymps final destination is through subclavian veins

Question 10

Do lymphatic vessels contain
valves? Why?

Answer 10

yes, to make sure lymph flows one way

Question 11

In which direction does lymph flow, towards or away from the heart

Answer 11

Flows to the central vasculature, towards the heart

Question 12

Name the type of connective tissue found in lymphatic tissue

Answer 12

Aereoloar connective tissue

Question 13

Name the lymphatic organs

Answer 13

Bones Marrow
thymus
Spleen
Lymph nodes
Tonsils
MALT( mucosa-associated lymph tissue)

Question 14

What is the largest lymphatic organ

Answer 14

Spleen

Question 15

Name the lymphatic organs that are associated with lymphatic vessels

Answer 15

lymph nodes, spleen, bone marrow

Question 16

What is the only lymphatic organ that does not directly fight antigens and functions in T lymphocyte maturation?

Answer 16

Thymus

Question 17

Which cells in the lymphatic system phagocytize foreign substances?

Answer 17

Macrophages

Question 18

Red Bone marrow function

Answer 18

Site of B lymphocytes

Question 19

Thymus function

Answer 19

maturation of T lymphocytes

Question 20

Lymph nodes function

Answer 20

Filters lymph and where immune response starts

Question 21

Spleen Function

Answer 21

Filters blood

immune response starts when a substance is in the blood

Removes RBC and WBC

Question 22

Tonsils Function

Answer 22

Protection from inhaled and ingested substances

Question 23

Lymph Nodes Function

Answer 23

protects organs from foreign substances

Question 24

Mucosa-associated lymph tissue function

Answer 24

protects mucous membranes from foreign substances

Question 25

What are the locations in a lymph node?

Answer 25

Neck armpits chest abdomen groin

Question 26

What is the function of light staining centers in lymphoid follicle?

Question 27

What is the relationship between the number of afferent and efferent lymphatic vessels that enter and leave a lymph node?

Answer 27

There are 4 different vessels and 2 efferent vesicles at the end

Question 28

what are the steps of lymph moving through the afferent lymphatic vesicle to the efferent lymphatic vessel?

Answer 28

1. afferent vessicle 2. subscapular sinus 3. medulla sinus 4. drains from efferent exits from hilus in lymph node

Question 29

When is the thymus most active?

Answer 29

Childhood until puberty

Question 30

What affect does age have on the thymus?

Answer 30

declines in function

Question 31

Names of tonsils and where they are located

Answer 31

palatine- pharynx, the rear end of the throat Pharyngeal- nasopharynx Lingual- lamina propria, root of tounge

Question 32

Which tonsil is not paired?

Answer 32

pharyngeal

Question 33

What happens to the flow of lymph when the lymphatics are blocked?

Answer 33

causes a build-up of fluids, lymphodema(swelling)

Question 34

What is bubo?

Answer 34

Swollen lymph in armpit or groin

Question 35

What do swollen lymph nodes indicate?

Answer 35

Infection

Question 36

Define passive immunity (naturally acquired and artificially acquired)

Answer 36

transfer antibodies from one person to another

Question 37

Define active immunity (naturally acquired and artificially acquired).

Answer 37

exposure to disease triggers immune system to make antibodies