A physician orders Schilling Test to be performed for a client suspected of having pernicious anemia. Order the steps below in completing this procedure. 1. Give oral radioactive vitamin B12 supplement before Compounded Methylcobalamin (Vitamin B12) Injection, 5mg mL B12 Injection sites + How to use B12 Shots Safely Vitamin B12 Injections in Fort Lauderdale When the marrow wakes up potassium disappears B12 replacement triggers a metabolic surge Cells pull potassium inside serum levels crash The recovery phase is actually the danger