Phlebotomists are people trained to draw blood from a patient for clinical or medical testing, transfusions, donations, or research.Phlebotomists collect blood primarily by performing venipunctures, (or, for collection of minute quantities of blood, fingersticks).hlebotomists are people trained to draw blood from a patient for clinical or medical testing, transfusions, donations, or research.
The IEC is one of the bodies recognized by the World Trade Organization and entrusted by it for monitoring the national and regional organizations agreeing to use the IEC's international standards as the basis for national or regional standards as part of the WTO's Technical Barriers to Trade Agreement.
Electrical impedance. Electrical impedance is the measure of the opposition that a circuit presents to a current when a voltage is applied. In quantitative terms, it is the complex ratio of the voltage to the current in an alternating current (AC) circuit.