Medical Technologist or Medical Lab Technician - Microbiology/Full-Time/Days/Rosemont
Posted Aug 27, 2026 · We last checked this listing on Sep 20, 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.
Behavioral
Tell me about a time a culture result did not match the patient's clinical picture. What did you do?
judgment about clinical correlation and willingness to question a result before reporting it
Tell me about a time you caught an instrument or QC problem before it affected patient results.
attentiveness to quality control and whether they act on abnormal QC rather than ignoring it
Tell me about a time you had to train or walk a newer tech or student through a procedure they were struggling with.
ability to teach and support less experienced staff, since this role includes training duties
Tell me about a time you disagreed with a coworker or supervisor about how a result should be reported or handled.
how they navigate professional disagreement without compromising patient safety or team relationships
Technical
Walk me through how you would identify an organism from a positive blood culture, from the gram stain through final identification and susceptibility.
whether the candidate actually knows core microbiology bench workflow, not just theory
How do you decide when a result needs to be called as a critical value, and what's your process for making sure that call actually reaches the right person?
understanding of critical value policy and communication reliability, not just knowledge of the rule
Walk me through your quality control routine for a new lot of media or reagent in micro before you'd trust it with patient samples.
hands-on familiarity with QC and validation steps required for accreditation
What's your experience with gram stains and tissue grinding on irretrievable or difficult samples, and how do you handle a sample you only get one shot at?
technical competence with the specific difficult procedures called out in the job description
How do you keep proficiency testing samples handled exactly the same way as regular patient samples, no special treatment?
integrity and consistency in following CAP proficiency testing rules
Situational
Say your gram stain shows something suspicious but the culture is still growing at 24 hours and a physician is pushing you for an answer on a critical patient. What do you do?
how they balance pressure for speed against accuracy and proper reporting protocol
A specimen comes in mislabeled or with a name that doesn't quite match the requisition. What do you do?
adherence to specimen integrity and labeling protocols even under time pressure
How do you handle a mass casualty or mass transfusion situation where you suddenly have far more specimens than normal staffing can comfortably handle?
composure and prioritization skills under surge conditions specific to this lab's stated duties
You're running behind on turnaround time for a disease-specific accreditation metric near shift end. How do you prioritize your remaining work?
ability to manage workflow and time pressure while keeping quality intact
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As published by Advocate Health.
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