Final answer:
The antibody that can be neutralized with a reagent made from plasma is Anti-D.
Step-by-step explanation:
The antibody that can be neutralized with a reagent made from plasma is Anti-D.
This antibody is used to test for the presence of Rh factor D in blood. Mixing a drop of blood and saline with anti-D antibody in a reaction site will cause agglutination of red blood cells if the Rh factor D is present.