"When interviewing for a position as a phlebotomist, expect to answer questions about your experience drawing blood, knowledge of medical equipment, and methods of calming down nervous or anxious patients. To put your skills to to the test, your interviewer may even ask you to draw blood on the spot. Before applying, make sure you've earned your phlebotomy certification from an accredited agency."
I was asked to do a blood draw on my interviewer to prove my skills.
I was nervous drawing a potential bossbut did it and did quite well