CLS 422 Clinical Immunohematology I Take Home Quiz Day Two ...
CLS 422 Clinical Immunohematology I Take Home Quiz Day Two ...
CLS 422 Clinical Immunohematology I Take Home Quiz Day Two ...
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25. Following a negative DAT, check cells are added to the reaction tube. A negative<br />
reaction with check cells indicates results are:<br />
a. Invalid. Additional AHG reagent must be added.<br />
b. Invalid. The red blood cells must be washed an additional 2 times.<br />
c. Invalid. The test must be repeated completely.<br />
d. Valid and may be reported.<br />
26. Given these results, what is coating this patient’s RBCs?<br />
Patient cells vs.: Polyspecific AHG 3+<br />
Anti-IgG 3+<br />
Anti-C3d 0<br />
a. IgG<br />
b. C3d<br />
c. Both complement and IgG<br />
d. Nothing – the DAT is negative<br />
27. Which of the following tests would be adversely affected by a positive DAT?<br />
a. ABO<br />
b. Antibody screen<br />
c. Rh (immediate spin phase using low protein reagent)<br />
d. Weak D<br />
<strong>CLS</strong> <strong>422</strong> <strong>Clinical</strong> <strong>Immunohematology</strong> I Page 6 of 6<br />
Student Lab <strong>Day</strong> <strong>Two</strong> <strong>Take</strong> <strong>Home</strong> <strong>Quiz</strong>
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