Which of the following blood group phenotypes is associated with resistance to malaria infections?

The automated blood bank analyzer does not detect weak forms of the D antigen.  The supervisor stated that it should be acceptable since the analyzer would prevent a weak D patient from developing anti-D.  Why is this true?

A patient recovering from a Mycoplasma pneumoniae infection was admitted for observation.  The patient’s hemoglobin was 7g/dL.  The antibody screen revealed reactions at immediate spin and positive DAT.  The most likely antibody is:

A 56 year old male was recently diagnosed with a disorder that requires therapeutic apheresis. Which of the following could it be?

During the storage of a unit of packed red blood cells:

An antibody was identified as anti-M.  The patient serum reacted with M+N- cell with a 3+, while a M+N+ cell was 1+.  What is the most likely cause of the varying degree of reactions?

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 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+

What are the possible phenotypes for a child with a mother with AO genes and a father with BO genes?

A cold-reacting antibody is found in the serum of a recently transfused patient and is suspected of being anti-I. The antibody identification panel shows reactions with all cells at room temperature, including the autocontrol.  What procedure would help in positively identifying the antibody?