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.
Read More... A medical/clinical laboratory technologist is responsible for the analysis and testing of a variety of human bodily fluids including blood and urine. The technologist may be responsible for collecting these substances as well, and should therefore be comfortable working with people of all ages and backgrounds. The technologist must have a basic understanding of anatomy and medical science. A state certification as a medical technologist is generally required. A bachelor's degree in medical technology and/or microbiology is generally preferred. Good organizational skills are necessary to correctly label samples and to report correct results.