ASCP BOC EXAM Study Guide | 135 Questions with 100% Correct Answers | Updated & Verified

When using an electronic cell counter, which of the following results can occur in the presence of a cold agglutination? a) increased MCV and decreased RBC b) increased MCV and normal RBC c) decreased MCV and increased MCHC d) decreased MCV and RBC - ANS - a) increased MCV and decreased RBC Cerebrospinal fluid for glucose assay should be: a) refrigerated b) analyzed immediately c) heated to 56 degree C d) stored at room temp after centrifugation - ANS - b) analyzed immediately The major crossmatch will detect: a) group A patient mistyped as group O b) unexpected red cell antibody in the donor unit c) Rh-neg donor unit mislabeled as Rh-Pos d) recipient antibody directly against antigens on the donor red cells - ANS - d) recipient antibody directly against antigens on the donor red cells The anion gap is useful for quality control of laboratory reselts for a) amino acids and proteins b) blood gas anaylses c) sodium, potassium, chloride and total C02 d) calcium, phosphorus and magnesium - ANS - c) sodium, potassium, chloride and total C02