Medical Lab Scientist - Multiple Campuses
Posted Sep 28, 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
Tell me about a time you caught an error before a result went out.
What they are checking: Whether they review their own work critically and stop problems early.
Tell me about a time you disagreed with a coworker about how a test was run. How was it resolved?
What they are checking: Whether they settle technical disagreements using procedures and data, not personality.
What would you do
You get a potassium of 7.2 on a patient with no history of kidney problems. What do you do?
What they are checking: Whether they check for hemolysis or collection errors and follow critical value reporting before releasing.
Your QC is out of range at the start of the shift and the floors are waiting on results. What do you do?
What they are checking: Whether they refuse to report patient results on failed QC even under time pressure.
How do you handle a mislabeled or unlabeled specimen when the nurse says it can't be recollected?
What they are checking: Whether they hold to specimen rejection policy, since labeling errors can kill in blood bank.
How do you prioritize stat, ED and routine samples when the lab gets slammed?
What they are checking: Whether they triage work by patient need and keep turnaround times on emergency samples.
You may work across hospitals like Edward, Elmhurst and Evanston. How would you adjust to different instruments or procedures?
What they are checking: Whether they can follow each site's procedures exactly instead of relying on habit.
Which shifts and locations work best for you, and how flexible are you?
What they are checking: Whether their preferences match staffing needs in a role offering day, evening and night shifts.
About the work
Which areas of the lab have you worked in, like chemistry, hematology, blood bank or microbiology?
What they are checking: Whether their bench experience matches the departments these hospitals need to staff.
Walk me through how you handle a critical value from start to finish.
What they are checking: Whether they know the read-back and documentation steps that make critical calls safe.
Explain how you'd work up a positive antibody screen in blood bank.
What they are checking: Whether they have the transfusion knowledge needed for safe crossmatches in a hospital lab.
Tell me about troubleshooting an analyzer that was giving bad results or wouldn't run.
What they are checking: Whether they can diagnose instrument problems methodically and know when to call service.
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Practice this out loudThe full job description
As published by Endeavor Health.