Lymphatics

Question 1

What does the Thoracic Duct Drain?

Answer 1

1. Left Head and Neck
2. Left Upper Extremity
3. Left Thorax
4. All of Abdomen
5. Both Lower Extremities

Question 2

What does the Right Lymphatic Duct Drain?

Answer 2

1. Right Head and Neck
2. Right Upper Extremity
3. Right Thorax

Question 3

What do Lymphatics Drain?

Answer 3

Extracellular fluid which eventually ends up in venous circulation

Question 4

Where does the Right Lymphatic Duct enter venous circulation?

Answer 4

At the formation of the Right Brachiocephalic vein by the joining of the Left internal Jugular vein and the Right Subclavian vein

Question 5

Where does the Thoracic Duct enter venous circulation?

Answer 5

At the formation of the Left Brachiocephalic Vein by the joining of the Left Internal Jugular vein and the Left Subclavian vein

Question 6

Where is the watershed line located?

Answer 6

At the level of the Umbilicus

Question 7

What Lymph nodes does the Thoracic Duct receive?

Answer 7

1. Left Axillary Lymph Nodes

2. Right and Left Inguinal Lymph Nodes

Question 8

What Lymph nodes does the Right Lymphatic Duct receive?

Answer 8

Right Axillary Lymph Nodes

Question 9

Cisterna Chyli

Answer 9

• Dilated sac at the lower end of the Thoracic Duct that receives lymph from the intestinal trunk and 2 lumbar lymphatic trunks
• Receives fatty chyle from the intestines and thus acts as a conduit for the lipid products of digestion