. A patient is exposed to hepatitis A and as a preventative measure is given hepatitis A immune globulin to prevent the patient from contracting the disease. The vaccine is an IgG immunoglobulin specific for coat proteins of the hepatitis A virus. The target of the immunoglobulin binds to which of the following locations in the immunoglobulin? Choose the one best answer.
A.
A site consisting of the constant regions of the heavy chains
B.
A site consisting of the constant regions of the light chains
C.
A site consisting of the variable regions of the light chains
D.
A site consisting of the variable regions of the heavy chains
E.
A site consisting of variable regions of both the light and heavy chains