Ascp Recalls 2017-2018 (Corrected) Study Guide Questions And Correct Answers

Liver cancer Marker {Ans: Alpha-Fetoprotein may be significant in ovarian or testicular cancer as well.}Heinz bodies {Ans: Heinz bodies: denatured HB, need supervital stain, seen in G6PD, thalassemia and unstable hemoglobins}Purpose of D Positive (+) red cell indicator in the rosette test is ... {Ans: forms rosette with fetal D positive red cell Draw mother's blood after delivery & perform rosette test to screen for large fetal bleed. Mother's RBCs incubated with anti-D. Anti-D coats fetal D-pos RBCs. Indicator D-pos RBCs added and attach to anti-D on fetal D-pos RBCs, forming rosettes. If rosette test pos, quantitate fetal bleed by flow cytometry or Kleihauer-Betke acid-elution test. Fetal cells resist acid elution; stain pink. Adult cells lose hgb; appear as "ghosts."}Protein reagent strip negative, while Sulfosalicylic acid (SSA) is positive, what might be the issue? {Ans: Proteins other than albumin, like Bence Jones Protein}fluorescence polarized immunoassay (competitive inhibition) {Ans: The amount of analyte in the sample is inversely proportional to the amount of fluorescence polarization. That is, the greater the concentration of analyte, the less the amount of polarized light detected}Which of the following is not a likely cause of an abnormal thrombin time (TT):