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Which of the following describe the inheritance pattern of the ABO blood group genes?

An O positive anemic patient has a positive autocontrol and positive antibody screen.  The screen was positive at immediate spin with a 4+ reaction.  The 37C reaction was positive with a 2+.  The titer was positive at 1:264.  Which of the following may be the problem?

A group A positive infant, born to a mother who is O positive, has a weak positive direct antiglobulin test.  The infant is experiencing slightly elevated bilirubin levels and is jaundiced.  The most likely cause is:

A nurse who recently graduated called the blood bank department to ask about Rh immune globulin indications.  When explaining the criteria for administration, which would you state is NOT an indication for RhIg?

Many warm-reactive autoantibodies have a broad specificity within which of the following blood groups?

A 65 year old patient with colon cancer was in need of a red cell transfusion. Based on the typing results, what is the most likely interpretation? Forward Typing Reverse Typing Anti-A: 3+ a1 cells: negative Anti-B: 1+ a2 cells: negative b cells: 3+

A 45-year-old pregnant female was admitted for a C-section. The physician ordered a STAT blood type and antibody screen. Based on the typing results, what is the most likely interpretation? Forward Typing Reverse Typing Anti-A: 3+ a1 cells: 3+ Anti-B: negative a2 cells: negative b cells: 3+

A patient has a type and screen ordered prior to surgery.  The patient’s autocontrol was 2+, while the DAT was 3+.  Which of the following could be the cause of these results?

An antibody described as refractile with mixed field reactions would most likely be:

A donor being screen for whole blood donation states she received the hepatitis immune globulin a year ago.  The patient is: