A&P II Chapter 21- Lymphatic System

Dissolved solutes are not common components of lymph.

FALSE

Why do fluids leave the capillaries at the arterial end? -

The net filtration pressure of the blood is higher at the arterial end than it is at the venous end.

Lymph vessels transport dietary ______.

lipids

Lacteals pick up dietary

lipids, fats

Lymphatic sinuses in the cortex and medulla of the lymph node ______.

provide a pathway for lymphatic flow

The lymph vessel network begins with lymphatic ______.

------------capillaries vessels ducts

Often when a cancerous tumor is surgically removed from a patient, surrounding lymph nodes are removed as well. Why?

----Cancers that metastasize will travel to nearby lymph nodes first. Lymph nodes, like your appendix, serve no real function. Cancer always forms in lymph nodes first. Cancers found in lymph nodes are the most deadly.

The lymphatic system contains ______ lymphatic ducts.

2

Dissolved solutes are not common components of lymph.

Lacteals

Which lymphocyte matures in the thymus?

T-lymphocyte

Lymph drains from lymphatic trunks into lymphatic ______.

ducts

Lymph drains from lymphatic trunks into two lymphatic _____

ducts

Lymph from the breast travels through the ______ lymph nodes.

axillary

thymus is a

biobeded

The main difference between lymphatic organs and lymphatic nodules is that lymphatic organs have a-------- enclosing them

capsule

The lymphatic system aids the system by transporting excess interstitial fluid.

cardiovascular

The_______chyli carries chyle from the small intestine to the thoracic duct.

cisterna

Lymphatic capillaries are ______ vessels.

closed-ended

Lacteals are located in the ______ tract.

gastrointestinal

The cisterna chyli is directly ______ to the thoracic duct.

inferior

Lymph from the head and neck drains into the ______ trunks.

jugular

Valves in lymphatic vessels are especially important in the ______ limbs.

lower

A buildup of excess interstitial fluid causes ______.

lymphedema

Cancerous cells can travel from one part of the body to another. This process is called metastasis

metastasis

Interstitial fluid is found ______ of cells.

outside

Lymph is moved through lymph vessels by which of the following?

respiratory pump skeletal muscle pumps

The right lymphatic duct drains which of the following parts of the body?

right side of the chest right arm right side of head and neck

The right lymphatic duct drains lymph from which quarter of the body?

right upper

Which of these secondary lymphatic structures have a complete capsule?

spleen lymph node

Which of the following are considered secondary lymphoid structures where lymphocytes are housed after formation?

spleen tonsils lymph nodes

red bone marrow is located in the trabeculae of ______ bone

spongy

Adult red bone marrow is found within the spongy bone in which locations?

sternum vertebrae roofing bones of the skull

The thymus is located in the ______.

superior mediastinum

The larger lymph duct, the left lymphatic duct, is more commonly referred to as the

thoracic

Lymph from the right leg enters the bloodstream through the ______.

thoracic duct

T-lymphocytes migrate to and mature in the thymus

thymus

Lymph moves only one way through lymphatic vessels because of the presence of what internal structures?

valves

Lymphatic vessels resemble small ______.

veins

The lymphatic ducts empty into ______.

veins

Which of the following vessels have valves?

veins lymphatic vessels