Substances that are recognized as foreign by the immune system and provoke an immune response are called:

Which type of cells decrease the immune response and help protect against autoimmune conditions?

Which of the following does NOT describe natural killer cells?

Certain antibodies bind to the surface of a virus molecule.  This action prevents the virus from entering one of our own cells.  Which antibody function is being described in this example?  

Which of the following does NOT describe memory cells?

True or False?  Cytokines are small proteins that act as chemical messengers between various parts of the immune system.

Which of the following is TRUE concerning albumin?

Which product directly helps repair the damaged blood vessel wall?

Which of the following does NOT describe a fever?

What is the slowest step in the clotting cascade process?