If a person who has donated blood three times during the previous nine months donates a fourth unit, which of the following tests must be performed on that unit? 1. ABO typing 2. antibody screen 3. Rh typing 4. HBsAg determination

Heating blocks or waterbaths should be maintained at______° C.

The frequency of the MS phenotype in the Caucasian population is expected to occur in 17% of random donors, but actually occurs with an observed frequency of 24% of donors. This is an example of:

What is the appropriate shipping temperature for platelets?

All of the following are routinely performed on cord blood except:

A patient’s plasma contains a mixture of antibodies. One of the antibodies has been identified as anti-D. Anti-Jka or anti-Fya and possibly another antibody are present. What technique(s) may be helpful in identifying the other antibody(ies)?

All of the following are part of the preliminary investigation of a transfusion reaction except:

A woman wants to donate blood. Her physical examination reveals the following: weight 110 lbs; pulse 73; blood pressure 125/75; and hematocrit 34. Which of the following applies to the prospective donor?

What is the most likely explanation for the reactions seen with ficin-AHG? (see Panel A below) 2014.BB.01 Panel A(2).JPG

The U antigen is part of which blood group system?