Explain why washing first in a 12% NaCl solution is crucial to the thawing of a frozen packed cell unit?  (1 point)

A person comes into donate a unit of blood, and when the donor rolls up his sleeve for a blood pressure reading, the donor room technician notices a tattoo.  When asked about the time the tattoo was made the donor answers,  “two years ago.” Is this donor approved for a blood donation?

Clinically significant antibodies are typically IgM and react at immediate spin reaction. 

A unit of Irradiated blood with CPDA-1 as the anticoagulant and preservative has a shelf-life of ________ days. _______

Under extreme emergency conditions when there is no time to determine ABO group for transfusion, the technologist should:  

How many units of Red Blood Cells are required to raise the hematocrit of a 70-kg non-bleeding man from 26% to 38%?

How can graft-versus-host disease (GVHD) be prevented in transplant recipients?

List all of the testing performed on volunteer blood donors. Be specific for any disease testing to include the name of the test and whether it is testing for antigen, antibody or genome (RNA or DNA).  (17 points)

Three students have made multiple measurements of the solubility of sodium chloride (in gof NaCl per 100 g of water). Their results are summarized in the table below. The correctvalue for the solubility of sodium chloride is 35.9 g. Which student’s measurements are neither accurate nor precise?

Which method would be helpful in identification of Lewis and P1 antibodies>