NCLEX RN Test Bank Questions PDF Related

Review NCLEX RN Test Bank Questions PDF related questions and content

What is the purpose of administering diphenhydramine before a blood transfusion?

  • A. To prevent urticaria
  • B. To avoid fever and chills
  • C. To enhance clotting factors
  • D. To expand the blood volume
Correct Answer: A

Rationale: The clinical indicators of urticaria are a rash accompanied by pruritus. Urticaria is a manifestation of a transfusion reaction when it occurs during a blood transfusion and is preventable by premedicating the client with an antihistamine, such as diphenhydramine. The remaining options are incorrect. Clients can also be premedicated with acetaminophen to help prevent fever and chills.