4.01 Lymphatic System

Front

What is the lymphatic system?

Back

The lymphatic system is a network of tissues and organs that help rid the body of toxins, waste, and other unwanted materials. It plays a crucial role in the immune system.

Front

What is hypersensitivity?

Back

Hypersensitivity is an exaggerated immune response to a substance (allergen) that is typically harmless, leading to symptoms such as rashes, itching, or anaphylaxis.

Front

Why are erythrocytes, platelets, and protein plasma not found in interstitial fluid and lymph?

Back

They are too large to pass through the capillary walls into the interstitial fluid and lymph.

Front

What is scleroderma?

Back

Scleroderma is an autoimmune disease characterized by the overproduction and accumulation of collagen, leading to skin thickening and joint pain.

Front

What is mononucleosis?

Back

Mononucleosis, often caused by the Epstein-Barr virus, is characterized by extreme fatigue, fever, and an enlarged spleen.

Front

What is the primary function of lymphocytes?

Back

Lymphocytes are a type of white blood cell that play a central role in the immune response, helping to identify and destroy pathogens.

Front

What role does the spleen play in the lymphatic system?

Back

The spleen filters blood, removes old or damaged blood cells, and helps produce lymphocytes.

Front

What is the function of the lymphatic system in fluid balance?

Back

The lymphatic system helps maintain fluid balance by returning excess interstitial fluid to the bloodstream.

Front

What is immunity?

Back

Immunity is the body's ability to resist or eliminate harmful pathogens, which can be innate (natural) or acquired (adaptive).

Front

What is lymphadenitis?

Back

Lymphadenitis is the inflammation of lymph nodes, often due to infection, leading to swelling and tenderness.