Identify the crystals seen in this urine sediment with a pH of 8.  

Patients with the P1 phenotype:

Which type of hypersensitivity reactions are IgE mediated and occur withing 15-60 minutes of exposure?  Hay fever and anaphylaxis are two examples of this type of reaction.

A 57-year-old male was evaluated by his physician for pain in the sacroiliac joints and inflammation noted in the eyes.  A genetic evaluation was performed, and the patient was noted to be positive for HLA-B27.  What is the most likely diagnosis?

A patient with hemolytic anemia will:

Hypokalemia may be caused by:

Which of the following is true for autologous donations?

Leukoreduced red cells containing AS-1 (Adsol) are stored for:

Antibody to which of the following antigens is the most commonly found platelet antibody?

A nurse calls the transfusion service with a question about blood administration.  The patient only has one IV and is currently receiving Ringer’s solution.  Can the red cell unit ordered for the patient be given through the same line at the same time as the Ringer’s solution?