A client is admitted with pernicious anemia. The nurse understands that therapy will include medication to address the client's lack of intrinsic factor. Which drug would the nurse anticipate administering?
1. Intravenous iron
2. An oral iron salt
3. Epoetin alfa subcutaneously
4. Cyanocobalamin subcutaneously
Correct Answer: 4
Rationale 1: IV iron will not correct pernicious anemia.
Rationale 2: Oral iron will not correct pernicious anemia.
Rationale 3: Epoetin alfa will not correct pernicious anemia.
Rationale 4: Cyanocobalamin will supply the intrinsic factor necessary to treat pernicious anemia.
Global Rationale: Cyanocobalamin will supply the intrinsic factor necessary to treat pernicious anemia. IV iron, oral iron, and epoetin alfa will not correct pernicious anemia.
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