System(s) Final Exam With Solved
Solutions.
Which disease is fought by the immune system as part of its function to recognize and remove abnormal
"self" cells? - Answer Cancer
Swelling and soreness of the lymph nodes indicate that - Answer immune cells are fighting infection.
________ are the precursor cells of macrophages. - Answer monocytes
Immunoglobulins that are found on the surface of B lymphocytes and may play a role in regulation of the
humoral immune response are - Answer IgD
For a lymphocyte to respond to an antigen, the antigen must - Answer bind to specific receptors on the
lymphocyte membrane.
MHC class II molecules are found on - Answer only on dendritic cells and macrophages.
In a routine examination, some blood is taken and analyzed. The results show a high IgM level for the
mumps antigen. This would indicate the - Answer person is just coming down with mumps.
Viruses - Answer must reproduce inside host cells and are parasitic.
Passive immunity is a type of ________ immunity. - Answer adaptive
By which mechanism do natural killer (NK) cells destroy virally infected cells? - Answer Induction of
apoptosis
A person with type A blood has - Answer antigen A on the RBCs and anti-B antibodies in the plasma