ASCP MLS Exam with Questions and Answers

ASCP MLS Exam with Questions and Answers What feature is most often found with patients with a splenectomy on a Wright's stained blood smear? ANSWER Howell-Jolly bodies Patients with antibody to the following antigen are immune to Hepatitis B: ANSWER Surface antigen (HbSAg) Which two of the following tests are helpful for documenting previous Streptococcal throat and skin infections: ANSWER ASO titer and Anti-DNase B In mass spectrometry, the "appearance potential" is defined as the: ANSWER Minimum energy required for the appearance of a particular fragment ion in mass spectrum What is generally accepted as the lower threshold value for semen pH from fertile males? ANSWER 7.2 Coulometry: ANSWER An automated method for measuring chloride which generates silver ions in the reaction Erythroleukemia: ANSWER Also known as Acute Myelogenous Leukemia type M6. This type is associated with either the presence of both erythroid and myeloid precursors OR strictly erythroid precursors. Myelomonocytic leukemia ANSWER Is associated with an increase in myeloid and monocytic cell precursors, but not red blood cell precursors Species that are Lysine (+), arginine (=) and ornithine (+): ANSWER Enterobacter aerogenes, Edwardsiella species and most Serratia species Lysine reaction for all Citrobacter: ANSWER Negative