Lymphatic System

What are the oval-shaped structures throughout the body that store lymphocytes and filter out pathogens?

• spleen

• lymph vessels

• lymph nodes

• tonsils

The structure of a lymphatic vessel is most similar to that of a(n) _____.

• artery

• arteriole

• vein

• capillary

What gland is located superior to the heart and shrinks with age?

• spleen

• tonsils

• thymus

• appendix

Where do B cells mature?

• bone marrow

• thymus

• thyroid

• spleen

Where do T cells mature?

• spleen

• bone marrow

• thymus

• tonsils

Which term means "big-eater"?

• microphage

• macrophage

• antibody

• lymphocyte

Which type of cells make antibodies?

• A cells
• B cells
• M cells
• T cells

Which type of lymphocyte identifies the pathogen, targets them for destruction, and regulates the immune response?

• Cytotoxic T Cell

• Memory T Cell

• Helper T Cell

• Suppressor T Cell

Which type of lymphocyte attacks and kills infected cells?

• Cytotoxic T Cell

• Suppressor T Cell

• Helper T Cell

• Memory T Cell

Which type of lymphocyte remembers past pathogens to prevent future sickness?

• Helper T Cell

• Memory T Cell

• Suppressor T Cell

• Cytotoxic T Cell