MLS (ASCP) Practice Test 7

10 free MLS (ASCP) practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

MLS (ASCP) Practice Test 7Tutor mode

Question 1 of 10

Hematology

A 58-year-old woman with gum swelling has 45% blasts with abundant gray-blue cytoplasm and folded nuclei. Which diagnosis BEST fits the cytochemical results below?

Cytochemistry on blasts
StainResult
MyeloperoxidaseNegative
Sudan black BNegative
Alpha-naphthyl butyrate (nonspecific) esteraseStrong diffuse positivity
Nonspecific esterase with sodium fluorideReactivity abolished
Naphthol AS-D chloroacetate (specific) esteraseNegative
PASFine, diffuse positivity