CRNI Blood Transfusion 3

Question 1

What is the MOST common cause of fatal transfusion reactions?

Accepted Answer

ABO-incompatible transfusion due to patient misidentification

Answer

Bacterial contamination

Answer

Transfusion-related acute lung injury

Answer

Allergic anaphylaxis

Question 2

A Jehovah's Witness patient requires urgent surgery with expected blood loss. Which blood management strategy is MOST appropriate?

Accepted Answer

Use autologous blood salvage with a continuous circuit

Answer

Obtain a court order for transfusion

Answer

Administer albumin as a blood substitute

Answer

Delay surgery until the patient consents to transfusion

Question 3

Which complication is specific to massive transfusion of cold blood products?

Accepted Answer

Hypothermia-induced cardiac arrhythmias

Answer

Citrate toxicity

Answer

Iron overload

Answer

Graft-versus-host disease

Question 4

What is the nursing priority when a hemolytic transfusion reaction is suspected?

Accepted Answer

Stop the transfusion and keep the IV line open with normal saline

Answer

Increase IV fluids to promote diuresis

Answer

Send a blood sample and return the unit to the blood bank

Answer

Administer acetaminophen and diphenhydramine

Question 5

Which laboratory test confirms an acute hemolytic transfusion reaction?

Accepted Answer

Direct antiglobulin test (DAT)

Answer

Complete blood count

Answer

Coagulation panel

Answer

Serum potassium level

Question 6

How should a blood warming device be set for transfusion?

Accepted Answer

37 degrees C with a maximum of 42 degrees C

Answer

40 degrees C maximum

Answer

45 degrees C for rapid warming

Answer

Room temperature is sufficient