Medical Laboratory Technician/Medical Laboratory Scientist - Part Time
Posted Aug 14, 2026 · We last checked this listing on Oct 6, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Which lab areas have you worked in most, hematology, chemistry, urinalysis, blood bank or micro, and where are you weakest?
What they are checking: Whether they know their own skill gaps honestly, which matters when a lab cross-trains staff across benches.
Tell me about a time you noticed a process in the lab that could be done better.
What they are checking: Whether they contribute to process improvement rather than just completing tasks as they always have.
Tell me about a time you made a mistake in the lab. How did you find it and what did you do?
What they are checking: Whether they own and report errors quickly, which protects patients more than hiding them ever could.
What would you do
A nurse calls upset that a stat result is taking too long. How do you respond?
What they are checking: Whether they stay professional, explain clearly and find out what is actually holding the result up.
How would you go about showing a new hire how to run a manual differential?
What they are checking: Whether they can train and mentor others clearly, which this posting lists as part of the job.
About the work
A CBC comes back with a platelet count that is far lower than yesterday's. What do you check before you release it?
What they are checking: Whether they think about clumping, clots or collection errors before reporting a result that could change treatment.
Walk me through what you do when a specimen is hemolyzed, clotted or short.
What they are checking: Whether they recognize unacceptable specimens, document the impact and start a recollection rather than running it anyway.
Your QC fails on the hematology analyzer at the start of the day shift. What happens next?
What they are checking: Whether they follow QC rules, troubleshoot methodically and hold patient testing until it is fixed.
How do you do routine maintenance on an analyzer, and what do you do when you find a problem during it?
What they are checking: Whether they keep equipment reliable and document maintenance, which the role names as a regular duty.
How do you report a critical value, and what do you do if you cannot reach the nurse?
What they are checking: Whether they know the escalation path so a critical result never sits unreported.
In blood bank, what checks do you do before issuing a unit of red cells?
What they are checking: Whether they respect the identification and compatibility steps that prevent a fatal transfusion error.
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Practice this out loudThe full job description
As published by Mercyhealth.