Question

For each of the following, identify the antibody or antibodies (if more than one) that meet each of the following criteria. Briefly (about one sentence or less) answer the follow-up question.

f)________ Used to prevent Rh- moms from being sensitized against an Rh+ baby. Briefly explain how this type of hypersensitive reaction could kill subsequent babies.

g)________ Found on the surface of a naïve B cell. What is a “naïve” B cell?

h)________ Responsible for the allergic response What happens during the two exposures required for the allergic response? (>1 sentence is OK)

i)________ Used in artificial passive immunizations What is the difference between “active” and “passive” immunity? State some examples