10 free MLT (ASCP) practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
MLT (ASCP) Practice Test 5Tutor mode
Question 1 of 10
Hematology
A 70-year-old man with no previous bleeding history develops extensive bruising. He takes no anticoagulants. Mixing study results are shown. Which BEST explains them?
Coagulation results
Test
Result
PT (reference 11.0–13.5 s)
12.4 s
APTT (reference 25–35 s)
68 s
APTT, 1:1 mix, tested immediately
36 s
APTT, 1:1 mix, after 2 h at 37 °C
61 s
APTT, normal pooled plasma alone after 2 h at 37 °C