Exam 23: Lymphatic System

Although the thymus is at its largest size at puberty,its largest size relative to the rest of the body occurs at age two.

More than 85% of the lymph from the breast enters lymph nodes at the lateral edge of the sternum.

Which of the following is not part of the lymphatic system?

When an infection is present,germinal centers form and the lymph node begins to release lymphocytes; some become antibody-producing plasma cells.

Which of the following is a lymphokinetic factor?

A person with thymus malfunction would:

There are four sets of tonsils: the lingual,palatine,pharyngeal,and tubal.

Match each body location with the corresponding group of lymph nodes. -submaxillary group

Lymphatic vessels contain more valves than do veins.

Even though some lymph nodes occur in clusters,most occur as single nodes.

The main difference between the composition of lymph and interstitial fluid and the composition of plasma is the _____ percentage of _____ in lymph and interstitial fluid.

Peyer patches are isolated nodules of lymph tissue in the:

_____ of the lymph from the breast enters the lymph nodes of the axillary region.

Besides fluid balance and immunity,the lymphatic system plays an important role in the absorption of lipids.

The semilunar valves of the lymph vessels are formed from folds of the tunica intima.

The cluster of lymph nodes found in the underarm and upper chest regions is referred to as _____ nodes.

The tonsils located near the base of the tongue are called the _____ tonsils.

Lymphatics have thicker walls than do veins.

Cancer of the breast is one of the most common forms of malignancy in women.

Compare and contrast the compositions of the following: Lymph Interstitial fluid Plasma