Mod:1 Lesson 7: What is the lymphatic system?

Question 1

The lymphatic system returns interstitial fluids from the _______________ to the _____________.

Answer 1

tissues; bloodstream

Question 2

The thoracic duct receives lymph from:

Answer 2

all parts of the body below the diaphragm and from the left half of the body above the diaphragm

Question 3

What is the function of lymph nodes?

Answer 3

They act as filters, trapping and destroying bacteria and foreign particles.

Question 4

In operable cases of cancer, why do physicians remove nearby lymph nodes as well?

Answer 4

Lymph nodes can provide a route for cancer cells to spread to other parts of the body, and
concentrations of cancer cells are often found in lymph nodes.

Question 5

True / False The spleen filters lymph.

Answer 5

False

Question 6

True / False The spleen stores excess venous blood.

Answer 6

True

Question 7

True / False Although the spleen is not necessary for life and can be surgically removed, splenectomy does increase the risk of severe infection.

Answer 7

True