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During a donor interview for apheresis platelet donation, the donor informs the interviewer that they have been taking aspirin daily for the past two years until discontinuing the medication one week ago.  What is the most appropriate course of action to take at the present time?

What type of blood (RBCs) would be selected for transfusion?  (Be sure to include ABO and D compatibility as well).

What principle/methodology is utilized when using the gold standard of test tube testing in the blood bank?

Which statement BEST describes the uniqueness of the red cell antigens in the Lewis blood group system?

An individual receives a massive transfusion in an emergency situation.  It is later determined that the patient is blood group B Positive but that was not known at the time of transfusion so they were transfused with group O RBCs and group AB plasma.  When may the patient be safely transfused with group B red cells?  (Note: a massive transfusion is defined as infusion, within a 24 hour period, of a volume of blood approximately equal to the recipient’s total blood volume)

A request is received to crossmatch five (5) units of RBCs on a man who is AB D positive and his antibody detection test is negative. Later, the man needs plasma.  What blood type(s) of FFP would be suitable for transfusion?

Red blood cells that have been leukoreduced must contain less than _____________ WBCs while retaining at least _______________ of the original red cells, respectively.

The immunodominant sugar responsible for the specificity of the A antigen is:

You just finished the spinal procedure and positioned the patient supine when the patient starts to develop symptoms of a high spinal. Which of the following is the most appropriate action you would perform first?

When cyanosis is present after the birth of a newborn and supplemental oxygen is needed, where should the pulse oximeter sensor be applied to monitor oxygen saturation?