A Patient Is Suffering from a Condition Requiring Multiple Blood

question 10

Multiple Choice

A patient is suffering from a condition requiring multiple blood transfusions. They have type A blood and their first transfusion was perfectly successful. However, their second transfusion of type A blood causes them to become very ill and observation of their blood reveals agglutination. What has happened to cause their second transfusion to fail?

• A)The blood used in the first transfusion contained Rh antigens, which caused the patient to produce anti-Rh antibodies and attack the blood from the second transfusion.
• B)They have developed a sensitivity to A antigens after being exposed to the first transfusion.
• C)The second transfusion must have had anti-A antibodies, which began attacking their blood.
• D)The blood used in the second transfusion must have come from a pregnant woman with Rh-negative blood.

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