If a unit of type A Rh-negative blood is obtained from the blood bank for administration to a client who is type A Rh positive, what action is appropriate? What action is appropriate if the site where...

If a unit of type A Rh-negative blood is obtained from the blood bank for administration to a client who is type A Rh positive, what action is appropriate?

What action is appropriate if the site where an intravenous fluid is infusing appears swollen and feels cool and tender when palpated?