A Body Fluid Has Been Collected and IgA Antibodies Have

Multiple Choice

A body fluid has been collected and IgA antibodies have been detected. Which of the following statements is correct in regard to the fluid?

A) The body fluid is most likely saliva due to the presence of IgA antibodies.
B) The body fluid is most likely lymph that contain B lymphocytes because IgA antibodies are most often attached to B lymphocytes.
C) The body fluid is most likely blood because IgA antibodies are only found in blood.