Lymphatic System

What part of the lymphatic system filters foreign material from blood and destroys old RBCs?

• spleen
• lymph nodes
• thymus 
• lymphatic vessels

Two main organs of the lymph system:

• Thymus & Pancreas
• Pancreas & Thyroid
• Spleen & Thymus
• Tonsils & Thyroid

A soft tissue inside the bone that produces blood cells

• immune cells
• lymph nodes
• spleen
• bone marrow

Which of the following cells are responsible for fighting diseases? 

• White Blood Cells
• Red Blood Cells

The lymphocytes that kill virus-invaded and cancerous body cells and are also involved in graft rejections are the ____.

• B cells

• plasma cells

• memory cells

• killer T cells

What do we call the bean-shaped structures that are scattered around the body as part of the lymphatic system?

• lymph capillaries

• tonsils

• spleen

• lymph nodes

What is the purpose of antibodies?

• To pump lymph through the vessels
• To create lymph
• To fight infection
• To remove old red blood cells

Which immune system organ is found in the back of the throat?

• thymus

• spleen

• tonsil

• liver

Cells that are descendants of activated T and B cells produced during an initial immune response, which exist in the body for years, enabling it to respond quickly to future infections, are known as ____.

• memory cells

• killer B's

• suppressor T cells

• killer T cells

Lymphocytes that produce antibodies and provide humoral immunity, which is particularly effective against circulating bacterial and viral infections, are called ____.

• A lymphocytes

• B lymphocytes

• D lymphocytes

• T lymphocytes