Blood Gas Technician, Full-Time, Evenings
Posted Sep 17, 2026 · We last checked this listing on Oct 6, 2026
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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
Full time evenings in Chicago. How does that fit your life?
What they are checking: The posting states the shift and the site.
What would you do
A result comes back that does not fit the patient. What do you do?
What they are checking: The posting names identifying and correcting problems that adversely affect test performance.
What is thinner on an evening shift, and how do you work around it?
What they are checking: The posting is full time evenings, when engineering and senior staff are gone.
About the work
Tell me about laboratory work you have done.
What they are checking: The posting requires laboratory experience and a science background.
Walk me through running a blood gas and checking the result is valid.
What they are checking: The posting names performing exacting measurements on whole blood and other fluids.
How do you calibrate and maintain an analyzer?
What they are checking: The posting names preventative maintenance, calibrations and repairs on laboratory equipment.
How do you know a specimen is not suitable for a blood gas?
What they are checking: Air, clot and delay all ruin a blood gas and rejecting one is the right call.
What do you need to understand about ventilation to interpret a sample's context?
What they are checking: The posting names acquiring knowledge of respiratory therapy modalities and cardiopulmonary physiology.
How do you communicate an urgent result to a clinician?
What they are checking: The posting names communicating with physicians, nurses and therapists for optimal patient care.
How do you document a problem so the next shift knows about it?
What they are checking: The posting names documenting problems that may affect test performance or reporting.
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As published by Northwestern Medicine.