TEST SCRIPT 5 2026 FULL QUESTIONS AND
CORRECT ANSWERS GRADED A+
●● Hemoglobin are read on a photoelectric in the laboratory. While
reading the hemoglobins, a problem of drifting is encountered. To access
the problem, the first thing to do is:
Answer: Check the light source
●● On initial start-up of the automated hematology analyzer, one of the
controls is slightly below the range for the MCV. Which of the following
is indicated?
Answer: Repeat the control
●● Which of the following is the standard calibration method for
hematology instrumentation against which other methods must be
verified?
Answer: Normal whole blood
●● Blood collected in EDTA undergoes which of the following changes
if kept at room temperature for 6-24 hours?
Answer: Increased hematocrit and MCV