ASCP MLS | 160 Questions and Answers with complete solution

What feature is most often found with patients with a splenectomy on a Wright's stained blood smear? - Howell-Jolly bodies Patients with antibody to the following antigen are immune to Hepatitis B: - Surface antigen (HbSAg) Which two of the following tests are helpful for documenting previous Streptococcal throat and skin infections: - ASO titer and Anti-DNase B In mass spectrometry, the "appearance potential" is defined as the: - 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? - 7.2 Coulometry: - An automated method for measuring chloride which generates silver ions in the reaction Erythroleukemia: - 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 - Is associated with an increase in myeloid and monocytic cell precursors, but not red blood cell precursors Species that are Lysine (+), arginine (=) and ornithine (+): - Enterobacter aerogenes, Edwardsiella species and most Serratia species Lysine reaction for all Citrobacter: - Negative Key identifying characteristic for Pantoa (Enterobacter) agglomerans: - negative reactions for the three decarboxylases commonly tested ( Lysine, arginine and ornithine)