Blood is collected Saturday in the emergency room for possible transfusion. The patient is admitted to the hospital and on Wednesday it is determined that the transfusion is truly needed.
A) The specimen can be used for a crossmatch because the patient did not yet receive blood.
B) The specimen must be recollected because the patient's location at the facility has changed.
C) The specimen must be recollected because more than 3 days have passed.
D) The specimen must be recollected because it must be collected the same day as the crossmatch.

Question

Quizplus · Accepted Answer

Blood specimens for crossmatching are typically valid for 3 days. Since more than 3 days have passed, a new specimen is needed.

Blood Is Collected Saturday in the Emergency Room for Possible