Definition of impression for Students. 1  1 : something (as a design) made by pressing or stamping a surface The tires made impressions in the mud. 2  2 : the effect that something or someone has on a person's thoughts or feelings She shared her impressions of the city. 3  3 : an idea or belief that is usually uncertain.
A phlebotomist is someone who has been trained specifically in how to successfully draw blood, whether that be for a medical test or a blood donation. They work in such locations as doctors offices, medical labs, and hospitals. Most individuals who wish to pursue a career in phlebotomy will complete a training program before entering the workforce.
Job Description for Phlebotomist. Draws and collects blood samples from patients, verifies records and prepares specimens for laboratory analysis. May prick finger to draw blood. May conduct interviews, take vital signs, and draw and test blood samples to screen donors at blood bank.