A fluid sample contains a large amount of IgA type antibody.This fluid is probably
A) blood.
B) lymph.
C) serum.
D) tears.
E) intracellular.

Question

Quizplus · Accepted Answer

Tears contain a high amount of IgA type antibody, which helps to protect the eyes and mucous membranes from infections. Blood, lymph, and serum may contain IgA antibodies, but not in large amounts compared to tears. Intracellular fluid does not contain antibodies.

A Fluid Sample Contains a Large Amount of IgA Type