Lymphatic System

Question 1

Lymphatic flow patterns?

6

Answer 1

Capillaries (nodes are in the capillaries)
The collecting vessels 
Lymph trunks
Lymphatic ducts
Subclavian vein
Superior Vena Cava

Question 2

Where is there no lymphatic drainage?

3

Answer 2

CNS
Bone marrow
Anywhere there is no vasculature(blood vessels)

Question 3

Where does the thoracic duct supply lymph to?

Answer 3

Left and inferior portions of the body
The cisterna chyli collects from the lower portions of the body and flows into the thoracic duct
-left jugular vein
-left subclavian trunk
-thoracic duct entering left subclavian vein
-left bronchomediastinal trunk

Question 4

Where does the right lymphatic duct supply lymph to?

Answer 4

Upper right portion of the body

• right jugular trunk
• right subclavian trunk
• right lymphatic trunk entering the subclavian vein
• right bronchomediastinal trunk

Question 5

Lymph nodes in the head and neck?

9

Answer 5

Submental
Pre auricular 
Post auricular
Occipital
Supraclavilcular
infraclavicular
Anterior cervical
Posterior cervical
Deep cervical

Question 6

Axillary lymph nodes?

5

Answer 6

Medial
Lateral
Anterior
Posterior
Axillary nodes

Question 7

Inguinal lymph nodes?

2

Answer 7

Superficial and deep inguinal arteries

Question 8

Abdominal and thoracic nodes?

Answer 8

They are in bundles along the vena cava and pulmonary hilum

Question 9

What are peyer’s patches and where are they located?

Answer 9

located in the wall of the ileum of the small intestine

Contains microphages that capture and destroy bacteria thereby preventing microbes from breaching the intestinal wall

Question 10

What are the main functions of the tonsils?

and what are the four kinds?

Answer 10

Gather and remove pathogens entering the pharynx

Types: palatine, lingual, pharyngeal, and tubal tonsils

Question 11

Function of the thymus?

Answer 11

Secretes hormones that stimulate the development and cell differentiation of T cells.
Atrophies in adolescence

Question 12

Major functions of the lymphatic system?

3

Answer 12

Fluid reabsorption
Fat transport from intestine
Purify blood

Question 13

What is the difference between nodes and nodules?

Answer 13

Nodules don’t have a tough outer layer

Nodes have a tough outer layer and are found all over the body

Question 14

Where does lymph from the lower body collect at?

Answer 14

Cisternae chyli

Question 15

If you are taking out the medialstinal node where would you enter the body?

Answer 15

Go through the right side to miss all the great vessels

Question 16

Where where do you have a higher chance of metastasis in lymph node cancer?

Answer 16

If its higher up in the cervical nodes you are less likely to have metastasis than in the lower cervical nodes

Question 17

Where does the right lymphatic duct empty into?

Answer 17

empties at the junction of the right internal jugular and right subclavian veins

Question 18

Where does the thoracic duct empty into?

Answer 18

Empties into the junction of the left internal jugular and left subclavian veins

Question 19

Describe the flow of lymph through a node

Answer 19

Afferent lymphatic vessels
Valve to prevent back flow
Hilum
Efferent lymphatic vessels

Question 20

Symptom of Lymphangitis

Answer 20

Red streak from the infected area to the armpit or groin

infection ascends though the lymphatics

Question 21

What are four signs of inflammation?

Answer 21

Rubor- redness
Tumor- swelling
Calor- warmth
Dolor- pain

Question 22

What is cellulitis?

Answer 22

Infection spreading through the tissues